Photonics Research Centre

 

 

           Photonics Research centre

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Journal Publications

1.     Farrell, G., Phelan, P. and Hegarty, J.: "Self-Pulsation operating regime for the Absorber of a twin section laser diode", Electronic Letters., 1991, Vol 27, No. 16, pp. 1403-1404 

2.     Farrell, G., Phelan, P. and Hegarty, J.: "All-optical synchronisation with Frequency division using a self-pulsating laser diode", Electronic Letters., 1992, Vol 28, No. 8, pp. 738-739

3.     Phelan, P., Farrell, G. and Hegarty, J.: "All-optical synchronisation and Frequency Division of Mode-Locked Pulses", Photonics Technology Letters,  August 1992, Vol 4, No. 8, pp. 930-932

4.     Farrell, G., Phelan, P. and Hegarty, J.: "All optical clock distribution with synchronous frequency division and multiplication", Electronic Letters., 1992, Vol 28, No. 15, pp. 1387-1388 

5.     Phelan, P., Farrell, G., and Hegarty, J.: "All-optical Synchronisation and Multiplication of the Frequency of Mode-locked Signals", Photonics Technology Letters, Vol 4,  No. 12, pp 1332-1335, December 1992

6.     Phelan, P., Farrell, G., and Hegarty, J.: "New Optical Signal Processing Functions in Laser Diodes; Frequency Division and Multiplication", Optics and Photonics News, Special issue on "Optics in 1992",  December 1992

7.     Farrell, G., Phelan, P., and Hegarty, J.: "The Influence of the Unlocked Characteristics of a Self-Pulsating Laser Diode on Synchronisation", Photonics Technology Letters, Vol 5 May 1993

8.     Farrell, G., Phelan, P., Hegarty, J., and Shields, J.A.: "All-optical Timing Extraction with Frequency Division using a Twin Section Laser Diode",  Photonics Technology Letters, Vol 5 June 1993

9.     Phelan, P., McDonald, D., Egan, A., Hegarty, J.,  O'Dowd, R., Farrell, G., Lindgren, S., "Comparison of self-pulsation in multisection lasers with distributed feedback and intracavity satuarable absorbers", IEE Proceedings in Optoelectronics, Vol. 141, No. 2, Apr. 1994, pp 114-118.

10.   Hyland, J. and Farrell, G. "Instability in Self-pulsation and its effects on All-optical synchronisation", Dec. 1994, Optical Engineering Journal, SPIE.

11.   Egan, A. O'Gorman, G., Rees, P., Farrell, G., Hegarty, J., Phelan, P.: "Frequency Dependence of phase difference between synchronised self-pulsating laser emission and injected periodic signals", Electronics. Letters., May 1995, Vol 31, No. 10, pp 802-803

12.   Egan A, Rees P, O'Gorman J, Harley-Stead M, Farrell G, Hegarty J, Phelan P.: "Theoretical investigations of electro-optical synchronisation of self-pulsating laser diodes. IEE Proceedings in Optoelectronics, Vol. 143, No. 1, Feb. 1996, pp 31-36.

13.   Semenova Y., Panarin Y. and Farrell G, "Optical Switches using electro-optical effects in Liquid Crystals", Proc. SPIE Vol 4876, pp 249-259, 2003

14.   Semenova Y., Dovgalets S., Panarin Y. and Farrell G.: "Liquid Crystal based optical switches", Journal of Molecular Crystals and Liquid Crystals, Vol. 413, pp. 385-398, 2004.

15.   Gao, C. and Farrell, G.: "Power Coupling between two Step-index Multimode Fibers of Different Numerical Apertures with an Angular Misalignment", Microwave and Optical Technology Letters, Vol. 43, No. 3, pp. 231-234, November 2004.  

16.   Wang, Q., Freir, T. and Farrell, G.: "Optimal Design of Broadband Linear Polarization Converters/Switches", Journal of Optics A: Pure and Applied Optics, 7, 2005, pp 47-50.

17.   Wang, Q., Farrell, G., Freir, T.: "Theoretical and Experimental Investigations of Macro-bend Losses for Standard Single Mode Fibers", Optics Express, Vol 13, No. 12. pp. 4476-4484,  June 2005

18.   Wang, Q., Farrell, G., Freir, T.: "Study of Transmission Response of Edge filters Employed in Wavelength Measurements", Applied Optics, Vol. 44, No.36, pp. 7789-7792, 2005

19.   Wang, Q., Farrell, G., Freir, T.: "Effective Index Method for Planar Lightwave Circuits Containing Directional Couplers", Optics Communications, 259, pp.133-136, 2006, pp 133-136

20.   Wang, Q., Farrell, G., Semenova, Y.: "Modeling Liquid-crystal Devices with Three-dimensional Full-vector Beam Propagation Method", Journal of the Optical Society of America A, Vol 23, No. 8, August 2006, pp 2014-2019

21.   Wang, Q., Farrell, G., "All-fiber Multimode-interference Based Refractometer Sensor: Proposal and Design", Optics Letters, Vol. 31, No. 3, 2006, pp. 317-319

22.   Wang, Q., Farrell, G., "Multimode Fiber based Edge Filter for Optical Wavelength Measurement Application", Microwave and Optical Technology Letters, Vol. 48, No. 5, May 2006, pp. 900-902

23.   Wang, Q., Farrell, G., Freir, T., Rajan. G. and Wang, P.: "Low-cost Wavelength Measurement based on a Macrobending Singlemode Fiber", Optics Letters, June 2006, Vol. 31, Issue 12, pp. 1785-1787

24.   Wang, Q., Farrell, G. and Semenova, Y.: "Optimal Design of Birefringent Filter with a Flattop Passband", Journal of Optics. A: Pure Appl. Opt, 8 (2006) 652-656.

25.   Wang, Q., Farrell, G. and Semenova, Y.: "Design of Integrated Polarization Beam Splitter with Liquid Crystal", IEEE Journal of Selected Topics in Quantum Electronics, Special issue devoted to Silicon Photonics, Vol 12, No. 6, November/December 2006, pp. 1349-1353

26.   Wang, Q., Farrell, G., Wang, P., Rajan. G. and Freir, T.: "Design of Integrated Wavelength Monitor based on a Y-branch with an S-bend Waveguide" Sensors and Actuators A: Physical, Vol.134, No.2, 2007, pp.405-409

27.   Rajan, G., Wang, Q., Farrell, G., Semenova, Y. and Wang, P.: "Effect of SNR of an input signal on the accuracy of a ratiometric wavelength measurement system", Microwave and Optical Technology Letters, Vol. 49, Issue 5, May 2007, pp. 1022-1024

28.   Wang, Q., Rajan. G., Farrell, G., Wang, P., Semenova, Y. and Freir, T.: "Macrobending fiber loss filter, ratiometric  wavelength measurement and application", Measurement Science and Technology, Vol. 18 No. 10, October 2007, pp 3082每3088

29.   Wang, Q., Rajan. G., Wang, P. and Farrell, G.: "Polarization dependence of bend loss for a standard singlemode fiber", Optics Express, Vol. 15, Issue. 8, April 2007, pp. 4909-4920

30.   Wang, P., Wang, Q., Farrell, G., Rajan, G, Freir, T. and Cassidy, J.: "Investigation of macrobending losses of standard single mode fiber with small bend radii", Microwave and Optical Technology Letters, Vol. 49,  Issue 9, September 2007, pp. 2133-2138

31.   Wang, P., Farrell, G., Wang, Q. and Rajan. G.: "An optimized macrobending fiber based edge filter", Photonics Technology Letters, August 2007, Vol. 19,  Issue 15, pp. 1136-1138

32.   Rajan, G.,  Semenova, Y., Wang, Q., Farrell, G., and Wang, P.: "A method to measure reference strain in FBG strain sensor interrogation system involving actuators", Microwave and Optical Technology Letters, Volume 49, Issue 11, November 2007, pp 2658-2661

33.   Wang, Q. and Farrell, G.: "Integrated Liquid Crystal Switch for both TE and TM modes: Proposal and Design", Journal of the Optical Society of America A, Vol. 24, No. 10, October 2007 pp 3303-3307

34.   Wang, Q., Rajan, G., Wang, P. and Farrell, G.: "Resolution investigation of ratiometric wavelength measurement system", Applied Optics, Vol. 46, Issue 25, 2007, pp. 6362-6367    

35.   Rajan, G., Semenova, Y., Farrell, G. and Wang, P.: "Effect of polarization dependent loss on the performance accuracy of a ratiometric wavelength measurement system", IET Optoelectronics, 2008, Vol. 2, No. 2, pp 63每68

36.   Wang, Q., Farrell, G. and Yan, W.: "Investigation on singlemode-multimode-singlemode fiber structure", IEEE Journal of Lightwave Technology, Vol. 26, No. 5, March 1, 2008, pp 512-519

37.   Wang, P., Semenova, Y. and Farrell, G.: "Temperature dependence of macrobending loss in all-fiber bend loss edge filter", Optics Communications, Volume 281, Issue 17, 1 September 2008, pp 4312-4316

38.   Wang, P., Farrell, G., Semenova, Y. and Rajan, G.: "Influence of fiber manufacturing tolerances on the spectral response of a bend loss based all-fiber edge filter", Applied Optics, Vol. 47, No. 16, June 1, 2008, pp 2921-2925

39.   Rajan, G., Semenova, Y., Farrell, G., Wang, Q. and Wang, P.: "A Low Polarization Sensitivity All-Fiber Wavelength Measurement System", IEEE Photonics Technology Letters, Vol. 20, No. 17, September 1, 2008, pp 1464-1466

40.   Rajan, G., Semenova, Y., Freir, T., Wang, P. and Farrell, G.: "Modelling and Analysis of the Effect of Noise on an Edge Filter Based Ratiometric Wavelength Measurement System", IEEE Journal of Lightwave Technology, Vol. 26, No. 20, October 15, 2008, pp 3434-3442

41.   Hatta, A., Farrell, G., Wang, Q., Rajan, G., Wang, P. and Semenova, Y.: "Ratiometric wavelength monitor based on singlemode-multimode-singlemode fiber structure", Microwave and Optical Technology Letters, Vol.  50, No. 20, December 2008, pp 3036-3039

42.   Rajan, G., Semenova, Y. and Farrell, G.: "An all-fiber temperature sensor based on a macro-bend singlemode fiber loop", Electronics Letters, Vol. 44, No. 19, 11th September 2008

43.   Wang, P., Rajan, G.,  Semenova, Y. and Farrell, G.: "Temperature dependence of a macrobending edge filter based on a high-bend loss fiber", Optics Letters, Vol. 33, No. 21, 1st  November 2008, pp 2470-2472

44.   Yunqiang Ti, Feng Qiu, Yinghui Cao, Linghua Jia, Weiping Qin, Jie Zheng and Farrell. G.: "Photoluminescence of copper ion exchange BK7 glass planar waveguides", Journal of Materials Science, 2008, Vol 43, No. 22, pp 7073-7078

45.   Hatta, A., Farrell, G., Wang, P., Rajan, G. and Semenova, Y.: "Misalignment Limits for a Singlemode-Multimode-Singlemode Fiber Based Edge Filter", IEEE Journal of Lightwave Technology, Vol 27, No. 13, 1st July 2009, pp 2482-2488

46.   Rajan, G., Semenova, Y. and Farrell, G.: "Analysis and performance evaluation of an all-fiber wide range interrogation system for a Bragg grating sensor array", Journal of Optics A: Pure and Applied Optics, 11, 2009

47.   Rajan, G., Semenova, Y., Wang, P. and Farrell, G.: "Temperature Induced Instabilities in Macro-Bend Fiber Based Wavelength Measurement Systems", IEEE Journal of Lightwave Technology, Vol 27, No. 10, 15th May 2009, pp 1355-1361

48.   Wang, P., Semenova, Y., Rajan, G., Freir, T. and Farrell, G.: "The temperature dependence of polarization dependent loss for a macrobending singlemode fiber based edge filter", IEEE Photonics Technology Letters, Vol 21, No. 8, April 15th 2009, pp 516-518

49.   Wang, P., Farrell, G., Semenova, Y. and Rajan, G.: "Investigation of Polarization Dependent Loss for a Macrobending Loss Sensitive Singlemode Fiber", Microwave and Optical Technology Letters, Vol 51, No. 6, June 2009, pp 1460-1464

50.   Wang, P., Farrell, G. and Semenova, Y.: "A generalized design process for fiber bend loss based edge filters for a wavelength measurement system",  Applied Optics, Vol. 48, No. 18, pp. 3055-3061, 2009.

51.   Mathews, S., Semenova, Y. and Farrell, G.: "Electronic Tunability of Ferroelectric Liquid Crystal Infiltrated Photonic Crystal Fiber", Electronics Letters, Vol. 45,  No. 12,  pp  617-618, June 2009

52.   Hatta, A., Rajan, G., Semenova, Y. and Farrell, G.: "A SMS fiber structure for temperature measurement using a simple intensity based interrogation system", Electronics Letters, Vol. 45, No. 21, pp 1069-1071, October 2009

53.   Wu, Q., Hatta, A., Semenova, A. and Farrell, G.: "Use of a SMS fiber filter for interrogating FBG strain sensors with dynamic temperature compensation",  Applied Optics, Vol. 48, October 2009, pp. 5451-5458

54.   Wang, P., Semenova, Y., Wu, Q., Farrell, G., Ti, Y. and Zheng, J.: "A macrobending singlemode fiber based refractometer", Applied Optics, Vol. 48, No. 31, November 2009, pp 6044-6049

55.   Hatta, A., Semenova, Y., Rajan, G., Wang, P., Zheng, J. and Farrell, G.: "Analysis of temperature dependence for a ratiometric wavelength measurement system using SMS fiber structure based edge filters", Optics Communications, Vol. 283, No. 7, pp 1291-1295, November 2009

56.   Wu, Q., Semenova, A., Sun, A., Wang, P. and Farrell, G.: "High resolution temperature insensitive interrogation technique for FBG sensors", Optics and Laser Technology, Vol 42, No. 4, pp 653-656, November 2009

57.   Wu, Q., Semenova, A. and Farrell, G.: "Simple design technique for a triangular FBG filter based on a linearly chirped grating", Optics Communications, Vol. 283, No. 6, pp 985-992, November 2009

58.   Hatta, A., Semenova, Y., Wu, Q. and Farrell, G.:  "A strain sensor based on a pair of SMS fiber structures in a ratiometric power measurement scheme", Applied Optics, Vol. 49, No. 3, pp 536-541, January 2010

59.   Wu, Q., Rajan, G., Wang, P., Semenova, A. and Farrell, G.: "Optimum design for maximum wavelength resolution for an edge filter based ratiometric system", Optics and Laser Technology, Vol.42, No. 6, pp 1032-1037, February 2010

60.   Hatta, A., Semenova, Y., Rajan, G. and Farrell, G.:  "Polarization dependence of an edge filter based on singlemode-multimode-singlemode fibre", Optics and Laser Technology, Vol. 42, No. 6, pp 1044-1048, February 2010

61.   Wang, P., Semenova, Y., Wu, Q., Zheng, J. and Farrell, G.: "Temperature performance of a macrobending singlemode fiber based refractometer", Applied Optics, Vol. 49, No. 10, 1st April 2010, pp 1744-1749

62.   Sun, A., Semenova, Y., Farrell, G., Byrne, R. and Finlay, H.:  "Low cost disposable reflective optical fiber microphone", Microwave and Optical Technology Letters, Vol. 52, No. 7, July 2010, pp 1504-1507

63.   Sun, A., Semenova, Y., Farrell, G., Chen, B., Li, G. and Lin, Z.: "BOTDR integrated with a FBG sensing system for distributed strain measurement", Electronics Letters, Vol. 46, No. 1, 7th January 2010, pp 66-68

64.   Hatta, A., Semenova, Y., Rajan, G. and Farrell, G.:  "A voltage sensor based on a Singlemode-Multimode-Singlemode fiber structure", Microwave and Optical Technology Letters, Vol. 52, No. 8, August 2010, pp 1887-1890

65.   Rajan, G., Mile里ko, K., Lesiak, P., Semenova, Y., Boczkowska, A., Ramakrishnan, M., Jędrzejewski, K., Doma里ski, A., Woli里ski, T. and Farrell, G.:  "A hybrid fiber optic sensing system for simultaneous strain and temperature measurement and its applications", Photonics Letters of Poland, Vol. 2, No. 1, March 2010, pp. 46-48

66.   Wu, Q., Wang, P., Semenova, A. and Farrell, G.: "A study of the effect of the position of an edge filter within a ratiometric wavelength measurement system", Measurement Science and Technology, No. 21, No. 9, 28th July 2010, 5 pp

67.   Rajan, G., Callaghan, D., Semenova, Y., McGrath, M., Coyle, E. and Farrell, G.:  "A fiber Bragg grating based all-fiber sensing system for telerobotic cutting applications", IEEE Sensors Journal, Vol. 10, No. 12, December 2010, pp. 1913-1920

68.   Wang, P., Semenova, Y., Wu, Q. and Farrell, G.:  "A bend loss based singlemode fiber micro-displacement sensor", Microwave and Optical Technology Letters, Vol. 52, No. 10, October 2010, pp. 2231-2235

69.   Wang, P., Semenova, Y., Li, Y., Wu, Q. and Farrell, G.:  "A macrobending singlemode fiber refractive index sensor for low refractive index liquids", Photonics Letters of Poland, Vol. 2, No. 2, June 2010, pp. 67-69

70.   Sun, A., Semenova, Y., Wu., Q. and Farrell, G.: "Simple optic fibre microphone based on hetero-core spliced fibre structure", Electronics Letters, Vol. 46, No. 12, June 2010, pp. 853每854

71.   Wu, Q., Semenova, Y., Hatta, A., Wang, P. and Farrell, G.: "Bent SMS fiber structure for temperature measurement", Electronics Letters, Vol. 46, No. 16, August 2010, pp 1129-1130

72.   Rajan, G., Semenova, Y., Mathew, J. and Farrell, G.:  "Experimental analysis and demonstration of a low cost fibre optic temperature sensor system for engineering applications", Sensors & Actuators: A. Physical, No. 163, July 2010, pp 88-95

73.   Mathew, J., Semenova, Y., Rajan, G. and Farrell, G.: "Humidity Sensor Based on a Photonic Crystal Fiber Interferometer", Electronics Letters, Vol. 46, No. 19, September 2010, pp 1341-1343

74.   Wu, Q., Semenova, Y., Ginu, R., Wang, P. and Farrell, G.: "A study of the effect of source signal bandwidth on ratiometric wavelength measurement", Applied Optics, Vol. 49, Issue 29, 7th October 2010, pp 5626-5631

75.   Sun, A., Semenova, Y., Wu., Q., Hatta, A. and Farrell, G.: A Novel High Sensitive Optical Fiber Microphone Based on a Singlemode-Multimode-Singlemode Structure",  Microwave and Optical Technology Letters, Vol. 53, No. 2, 2010, pp 442每445

76.   Lesiak, P., Rajan, G., Semenova, Y., Farrell, G.,  Boczkowska, A., Doma里ski, A. and Woli里ski, T.: "A hybrid highly birefringent fiber optic sensing system for simultaneous strain and temperature measurement",  Photonics Letters of Poland, Vol. 2, No. 3, Oct 2010, pp. 140-142

77.   Wang, P., Semenova, Y., Zheng, J., Wu, Q., Hatta, A. and Farrell, G.: "Proposal for a Simple Integrated Optical Ion Exchange Waveguide Polarizer with a Liquid Crystal Overlay", Optics Communications, Vol. 284, No. 4, October 2010, pp  979每984

78.   Mathews, S., Farrell, G. and Semenova, Y.: "Experimental Demonstration of an All-Fiber Variable Optical Attenuator based on Liquid Crystal Infiltrated Photonic Crystal Fiber", Microwave and Optical Technology Letters, Vol. 53, No. 3, January 2011, pp 539每543

79.   Wu, Q., Hatta, A., Wang, P., Semenova, Y. and Farrell, G.: "Use of a bent single SMS fiber structure for simultaneous measurement of displacement and temperature sensing", Photonics Technology Letters, Vol. 23, No. 2, 2010, pp 130-132

80.   Rajan, G., Mathews, S., Farrell, G. and Semenova, Y.: "A Liquid Crystal Coated Tapered Photonic Crystal Fiber Interferometer", Journal of Optics A, Vol 13, No. 21, December 2010, 7 pp

81.   Wang, P., Semenova, Y., Zheng, J., Wu. Q., Hatta, A. and Farrell, G.: "Numerical study of an ion-exchanged glass waveguide using both two-dimensional and three-dimensional models", Optics and Laser Technology, Vol. 43, No. 4, November 2010, pp 882-888

82.   Mathews, S., Farrell, G. and Semenova, Y.: "All-fiber polarimetric electric field sensing using liquid crystal infiltrated photonic crystal fibers", Sensors & Actuators: A. Physical, Volume 167, No. 1, May 2011, pp 54每59

83.   Mathews, S., Farrell, G. and Semenova, Y.: "Directional electric field sensitivity of a liquid crystal infiltrated photonic crystal fiber", Photonics Technology Letters, Vol. 23, No. 7, April 1st 2011, pp 408-410

84.   Rajan, G., Ramakrishnan, M., Semenova, Y., Milenko, K.,  Lesiak, P., Doma里ski, A., Woli里ski, T. and Farrell, G.: "A Photonic Crystal Fiber and Fiber Bragg Grating Based Hybrid Fiber Optic Sensor System", IEEE Sensors Journal, Vol. 12, No. 1, January 2012

85.   Wang, P., Brambilla, G., Ding, M., Semenova, Y., Wu, Q. and Farrell, G.: "Investigation of singlemode-multimode-singlemode and singlemode-tapered multimode-singlemode fibre structures and their application for refractive index sensing", Journal of the Optical Society of America B (JOSA B), Vol. 28 No.5, 2011, pp 1180-1186

86.   Wu, Q., Semenova, Y., Wang, P. and Farrell, G.: "High sensitivity SMS fiber structure based refractometer - analysis and experiment", Optics Express, Vol. 19, No. 9, 2011, pp7937-7944

87.   Mathews, S., Farrell, G. and Semenova, Y.:  "Liquid crystal infiltrated photonic crystal fibers for electric field intensity measurements", Applied Optics, Vol. 50, No 17, 2011, pp 2628-2635

88.   Mathew, J., Semenova, Y., Rajan, G., Wang, P. and Farrell, G.: "Improving the sensitivity of a humidity sensor based on fiber bend coated with a hygroscopic coating" Journal of Optics and Laser Technology, Vol. 43, No. 7, October 2011, pp 1301-1305

89.   Wang, P., Brambilla, G., Semenova, Y., Wu, Q. and Farrell, G.: "A simple ultrasensitive displacement sensor based on a high bend loss singlemode fibre and a ratiometric measurement system"  Journal of Optics, Vol. 13, No. 7, March  2011

90.   Wu, Q., Semenova, Y., Mathew, J., Wang, P. and Farrell, G.: "Humidity sensor based on a singlemode hetero-core fiber structure", Optics Letters, Vol. 36, No 10, May 2011, pp 1752-1754

91.   Wang, P., Murugan, G.S., Lee, T., Feng, X., Semenova, Y., Wu, Q., Loh, W., Brambilla, G., Wilkinson, J.S. and Farrell, G.: Lead silicate glass microsphere resonators with absorption-limited Q", Applied Physics Letters, Vol. 98, No. 18, May 2011

92.   Wu, Q., Semenova, Y., Hatta, A.,  Wang, P. and Farrell, G.: "Singlemode-Multimode-Singlemode fiber structures for simultaneous measurement of strain and temperature", Microwave and Optical Technology Letters, Vol. 53, No. 11, November 2011, pp 2474每2477

93.   Wu, Q., Semenova, Y., Yan, B., Ma, Y., Wang, P. Yu, C.and Farrell, G.: "Fiber refractometer based on an FBG and SMS fiber structure", Optics Letters, Vol. 36, No. 12, 15th June 2011, pp 2197-2199

94.   Wu, Q., Semenova, Y., Wang, P. and Farrell, G.: "Fiber heterostructure for simultaneous strain and temperature measurement", Electronics Letters, Vol. 47, No. 12, 9th June 2011

95.   Wang, P., Ding, M., Semenova, Y., Wu, Q., Brambilla, G. and Farrell, G.: "A high sensitivity, evanescent field refractometric sensor based on tapered multimode fiber interference", Optics Letters, Vol. 36, No. 12, 2011, pp 2233-2235

96.   Belkin, M.E., Loparev, A.V., Semenova, Y.,  Farrell, G.  and Sigov, A.S.: "A Tunable RF-Band Optoelectronic Oscillator and OE-CAD Model for its Simulation", Microwave and Optical Technology Letters, Vol. 53, No. 11, November 2011, pp 2474每2477

97.   Mathews, S., Farrell, G. and Semenova, Y.: "Experimental study on the frequency dependence of the liquid crystal infiltrated photonic crystal fibers", IEEE Sensors Journal, Vol. 12, No. 5, May 2012, pp 1018 - 1024

98.   Callaghan, D. Rajan, G., McGrath, M., Coyle, E., Semenova, Y. and Farrell, G.: "Investigation and experimental measurement of scissor blade  cutting forces using fiber Bragg grating sensors" Smart Materials and Structures, Vol 20, No. 10, 23rd Aug 2011

99.   Mathew, J., Semenova, Y. and Farrell, G.: "Photonic crystal fiber interferometer for dew detection", IEEE Journal of Lightwave Technology, Vol. 30, No. 8, 2012, pp 1150-1155 

100.   Wang, P., Brambilla, G., Ding, M., Semenova, Y., Wu, Q. and Farrell, G.: "The use of a fibre comb filter fabricated by a CO2 laser irradiation to improve the resolution of a ratiometric wavelength measurement system", IEEE Journal of Lightwave Technology, Vol. 30, No. 8, 2012, pp. 1143-1149

101.   Ramakrishnan, M., Rajan, G., Semenova, Y., Lesiak, P., Doma里ski, A., Woli里ski, T., Boczkowska, A. and Farrell, G.: "The influence of thermal expansion of a composite material on embedded polarimetric sensors", Smart Materials and Structures, Vol 20, No. 12, 4th November  2011

102.   Rajan, G., Ramakrishnan, M., Semenova, Y., Doma里ski, A., Boczkowska, A., Woli里ski, T. and Farrell, G.: "Analysis of Vibration Measurements in a Composite Material Using an Embedded PM-PCF Polarimetric Sensor and an FBG Sensor", IEEE Sensors Journal, Vol. 12, No. 5, May 2012, pp 1365 - 1371

103.   Wu, Q., Semenova, Y., Wang, P. and Farrell, G: "A comprehensive analysis verified by experiment of a refractometer based on an SMF28- Small-Core Singlemode fiber (SCSMF) -SMF28 fiber structure", Journal of Optics, Vol. 13, No. 12, November 2011

104.   Wu, Q., Semenova, Y., Wang, P. and Farrell, G.: "Numerical investigation on a laser based localised joining with a glass frit intermediate layer", Journal of Microsystem Technologies, Vol. 18, No. 1, 2012, pp 87-92

105.   Mathew, J., Semenova, Y. and Farrell, G.: "A fiber bend based humidity sensor with a wide linear range and fast measurement speed", Sensors & Actuators: A. Physical, Vol. 174, February 2012, pp 47每51

106.   Rajan, G., Callaghan, D., Semenova, Y., and Farrell, G.: "Photonic Crystal Fiber Sensors for Minimally Invasive Surgical Devices", IEEE Transactions on Biomedical Engineering, Vol. 59, No. 2, February 2012, pp 332-338

107.   Mathew, J., Semenova, Y. and Farrell, G.: "Relative humidity sensor based on an Agarose infiltrated photonic crystal fiber interferometer", Journal of Selected Topics in Quantum Electronics, Vol. 18 , No. 5 Sept.-Oct. 2012

108.   Wu, Q., Semenova, Y., Ma, Y., Wang, P., Guo, T., Jin, L. and Farrell, G.: "Light Coupling Between a Singlemode-Multimode-Singlemode (SMS) Fiber Structure and a Long Period Fiber Grating", Journal of Lightwave Technology, Vol. 29, No. 24, 15th December 2011, pp 3683-3688

109.   Wang, P., Lee, T., Ding, M., Dhar, A., Hawkins, T., Foy, P., Semenova, Y., Wu, Q., Sahu, J., Farrell, G., Ballato, J., and Brambilla. G.: "A germanium microsphere high-Q resonator", Optics Letters, Vol. 37, No. 4, 2012, pp. 728-730

110.   Wu, Q., Ma, Y., Yuan, J., Semenova, Y., Wang, P., Yu, C. and Farrell, G.: "Evanescent field coupling between two parallel close contact SMS fiber structures", Optics Express, Vol. 20, No. 3, 2012, pp 3098-3109

111.   Wang, P., Ding, M., Brambilla, G., Semenova, Y., Wu, Q. and Farrell, G.: "High temperature performance of an optical microfibre coupler and its potential use as a sensor", Electronics Letters, Vol. 48, No. 5, 2012, pp. 283-284

112.   Wang, P., Murugan, G.S., Brambilla, G., Ding, M., Semenova, Y., Wu, Q. and Farrell, G.: "Chalcogenide microsphere fabricated from fibre tapers using contact with a high temperature ceramic surface", Photonics Technology Letters, Vol. 24, No. 13, 2012, pp. 1103-1105

113.   Rajan, G., Ramakrishnan, M., Lesiak, P., Semenova, Y., Doma里ski, A., Woli里ski, T., Boczkowska, A. and Farrell, G.: "Composite materials with embedded photonic crystal fiber interferometric sensors", Sensors & Actuators: A. Physical, Volume 182, August 2012, pp 57每67

114.   Wang, P., Murugan, G.S., Lee, T., Ding, M., Brambilla, G., Semenova, Y., Wu, Q., Koizumi, F. and Farrell, G.: "High-Q bismuth silicate nonlinear glass microsphere resonators", IEEE Photonics Journal, Vol. 4, No. 3, June 2012, pp. 1013-1020

115.   Ma, Y., Farrell, G., Semenova, Y. and Wu, Q.: "Analysis and applications of nanocavity structures used as tunable filters and sensors", Infrared Physics & Technology, Vol. 55, Issue 5, September 2012, pp. 389每394

116.   Wang, P., Brambilla, G., Ding, M., Lee, T., Bo, L., Semenova, Y., Wu, Q. and Farrell, G.: "An enhanced refractometer based on periodically tapered small core singlemode fiber", IEEE Sensors Journal, Vol. 13, No. 1,  January 2013, pp 180 -185

117.   Mathew, J., Semenova, Y. and Farrell, G.: "A miniature optical breathing sensor", Biomedical Optics Express, Vol. 3, Issue 12, October 2012, pp. 3325-3331

118.   Ramakrishnan, M., Rajan, G., Semenova, Y., Boczkowska, A., Woli里ski, T., Doma里ski, A. and Farrell, G.: "Measurement of Thermal Elongation Induced Strain and Coefficient of Thermal Expansion of a Composite Material Using a Polarization Maintaining Photonic Crystal Fiber Sensor", Sensors and Actuators: A. Physical, Volume 190, 1st February 2013, pp 44每51

119.   Mathew, J., Semenova, Y. and Farrell, G.: "Effect of coating thickness on the sensitivity of a humidity sensor based on an Agarose coated photonic crystal fiber interferometer", Optics Express, Vol. 21, No. 5, March 2012, pp 6313-6320

120.   Lesiak, P., Szeląga, M., Budaszewskia, D., Plagaa, R., Mile里koa, K., Rajan, G., Semenova, Y., Farrell, G., Boczkowska, A., Budaszewski, D., Domanski, A. and Wolinski. T.: "Influence of lamination process on optical fiber sensors embedded in composite material", Measurement, Vol. 45, No.9, November 2012, pp 2275每2280

121.   Bo, L., Wang, P., Semenova, Y. and Farrell, G.: "High sensitivity Fiber Refractometer Based on an Optical Microfiber Coupler", IEEE Photonics Technology Letters", 2013, Vol. 25, No. 3, pp. 228-230

122.   Wang, P., O'Mahony, C., Lee, T., Ismaeel, R., Hawkins, T., Foy, P., Semenova, Y., Bo, L., Wu, Q., McDonagh, C., Farrell, G., Ballato, J., and Brambilla, G.: "Mid-infrared Raman sources using spontaneous Raman scattering in germanium core optical fibers", Applied Physics Letters, Vol. 102, No. 1, December 2012, 4 pages

123.   Wang, P., Ding, M., Bo, L., Semenova, Y., Wu, Q. and Farrell, G.: "A silica singlemode fibre-chalcogenide multimode fibre-silica singlemode fibre structure", Photonics Letters of Poland, Vol 4, No. 4, 2012

124.   Mathew, J., Semenova, Y. and Farrell, G.: "Fiber optic hybrid device for simultaneous measurement of humidity and temperature", IEEE Sensors Journal, Vol.13, No. 5, May 2013, pp 1632-1636

125.   Wang, P., Ding, M., Bo, L., Semenova, Y., Wu, Q. and Farrell, G.: "Packaged chalcogenide microsphere resonator with high Q-factor", Applied Physics Letters, Vol.102, No. 13, April 2013, pp 131110 - 131110-5

126.   Ma, Y., Farrell, G., Semenova, Y., Chan, H.P. and Wu, Q.:  "Hybrid Plasmonic Biosensor for Simultaneous Measurement of both Thickness and Refractive Index", Infrared Physics and Technology, Vol. 60, Sept. 2013, pp 134每136

127.   Mathew, J., Semenova, Y. and Farrell, G.: Experimental demonstration of a high sensitivity humidity sensor based on an Agarose coated transmission type photonic crystal fiber interferometer", Applied Optics, Vol. 52, No. 16, 2013, pp 3884-3890

128.   Rajan, G., Noor, M., Lovell, N. H., Ambikiarajah, E., Farrell, G., Peng, G-D.:  "A Polymer Micro-Fiber Bragg Grating", Optics Letters, Vol. 38, Issue 17, 2013, pp. 3359-3362

129.   Wang, P., Bo, L., Guan, C., Semenova, Y., Wu, Q., Brambilla, G., Farrell, G.: "Low Temperature sensitivity periodically tapered photonic crystal fiber based refractometer", Optics Letters, Vol. 38, No. 19, 2013, pp. 3795-3798

130.   Kang, Z., Yuan, J., Wu, Q., Wang, T., Li, S., Sang, X., Yu, C. and Farrell, G.: "Lumped Time-delay Compensation Scheme for Coding Synchronization in the Nonlinear Spectral Quantization Based All-optical Analog-to-digital Conversion", IEEE Photonics Journal, Vol. 99, October 2013

131.   Wang, P., Ding, M., Bo, L., Guan, C., Semenova, Y., Wu, Q., Farrell, G. and Brambilla, G.:  "A fiber tip high temperature sensor based on multimode interference", Optics Letters, Vol. 38, No 22, 15th October 2013  pp 4617-4620

132.   Wu, Q., Chan, H.P., Yuan, J., Ma. Y., Yang, M., Semenova, Y., Yan, B., Wang, P., Yu, C. and Farrell, G.: "Enhanced RI sensitivity sensor using a combination of a long period fiber grating and a small core singlemode fiber (SCSMF) structure", Measurement Science and Technology, Vol. 24, 094002, (5pp), July 2013

133.   Wang, P., Lee, M., Ding, M., Lian, Z., Feng, X., Ma, Y., Bo, L., Guan, C., Wu, Q., Semenova, Y., Loh, G., Farrell, G. and Brambilla, G.:  "White Light Trapping Using Supercontinuum Generation Spectra in a Lead-Silicate Fibre Taper", IEEE Journal of Lightwave Technology, Vol. 32, No. 1, pp. 40-45, 2014, DOI: 10.1109/JLT.2013.2289305

134.   Bo, L., O'Mahony, C.C., Semenova, Y., Gilmartin, N., Wang, P. and Farrell, G.: "Microfiber Coupler Based Label-free Immunosensor", Optics Express, Vol. 22, Issue 7, pp. 8150-8155, 2014, DOI: 10.1364/OE.22.008150

135.   Ramakrishnan, M., Rajan, G., Semenova, Y., Woli里ski, T., Doma里ski, A. and Farrell, G.: "A Miniaturized Flexible Surface Attachable Interrogator for Hybrid Optical Fiber Sensing", Microwave and Optical Technology Letters, Volume 56, Issue 5,  pages 1167每1174, May 2014, DOI: 10.1002/mop.28284

136.   Yuan, J., Sang, X., Wu, Q., Zhou,  G., Yu, C., Wang, K., Yan, B., Han, Y., Farrell, G. and Hou, L.: "Efficient and broadband Stokes wave generation by degenerate four-wave mixing at the mid-infrared wavelength in a silica photonic crystal fiber", Optics Letters, Vol. 38, Issue 24, pp. 5288-5291, 2013, DOI: 10.1364/OL.38.005288

137.   Ma, Y., Farrell, G., Semenova, Y., Chan, H.P.,  Zhang, H. and Wu, Q., "Low Loss, High Extinction Ration and Ultra-Compact Plasmonic Polarization Beam Splitter", Photonics Technology Letters, Vol. 26, No. 7, pp 660-663,  2014, DOI: 10.1109/LPT.2014.2302354

138.   Ma, Y., Farrell, G., Semenova, Y. and Wu, Q., A hybrid nanowedge plasmonic waveguide for low loss propagation with ultra-deep-subwavelength mode confinement", Optics Letters, Vol. 39, Iss. 4, pp. 973每976, 2014, DOI: 10.1364/OL.39.000973

139.   Yuan, J., Zhou, G., Liu, H., Xia, C., Sang, X., Wu, Q., Yu, C., Wang, K., Yan, B., Han, Y., Farrell, G. and Hou, H.: "Blue-shifted dispersive wave generation by the diffraction-arrested solitons for coherent anti-Stokes Raman scattering microscopy in a photonic crystal fiber", Optics Communications, Vol. 320, 1 June 2014, pp. 73每76, DOI: 10.1016/j.optcom.2014.01.051

140.   Ramakrishnan, M., Rajan, G., Semenova, Y., Callaghan, D. and Farrell, G.: "Investigation of the effect of vibration amplitude on vibration measurements of polarimetric fiber sensors embedded in composite beams", Smart Materials and Structures, Vol. 23,  No. 4, March 2014, DOI: 10.1088/0964-1726/23/4/045037

141.   Ramakrishnan, M., Rajan, G., Semenova, Y. and Farrell, G.: "Hybrid Fiber Optic Sensor System for Measuring the Strain, Temperature and Thermal strain of Composite Materials", IEEE Sensors Journal, Vol. 14, No. 8, June 2014, pp. 2571 每 2578, DOI: 10.1109/JSEN.2014.2306892

142.   Rajan, G., Ramakrishnan, M., Ambikiarajah, E., Farrell, G., Peng, G-D.:  "Experimental Study and Analysis of a Polymer Fiber Bragg Grating Embedded in a Composite Material", Journal of Lightwave technology, Vol. 32, Issue 9, pp. 1726-1733, 2014, DOI: 10.1109/JLT.2014.2311441

143.   Wang, P., Ding, M., Bo, L.,Guan, C., Semenova, Y., Sun, W., Yuan, L., Brambilla, G. and Farrell, G.: "A photonic crystal fiber half taper probe based refractometer", Optics Letters Vol. 39, No. 7, pp. 2076每2079, 2014, DOI: 10.1364/OL.39.002076

144.   Wu, Q., Yang, M., Yuan, J., Chan, H.P., Ma, Y., Semenova, Y., Wang, P., Yu. C. and Farrell, G.: "The use of a bend singlemode-multimode-singlemode (SMS) fiber structure for vibration sensing", Optics & Laser Technology, Vol. 63, November 2014, pp. 29每33, DOI: 10.1016/j.optlastec.2014.03.015

145.   Ramakrishnan, M., Rajan, G., Semenova, Y.,  Zhou, Y., Jerrams, S. and Farrell, G.: "A photonic crystal fiber based polarimetric sensor for cure monitoring of magneto-rheological smart composite material", Electronics Letters, Vol. 50, No. 15, 17th July 2014, pp. 1083 每 1084, DOI: 10.1049/el.2013.4233

146.   Wang, P., Ding, M., Murugan, G.S., Bo, L., Guan, C., Semenova, Y., Wu, Q., Farrell, G. and Brambilla, G.: "Packaged high-Q microsphere resonator based add-drop filter", Optics Letters, Vol. 39, Issue 17, pp. 5208-5211, 2014, DOI: 10.1364/OL.39.005208

147.   Kang, Z.,  Zhang, X., Yuan, J., Sang, X., Wu, Q., Farrell, G. and Yu, C.: "Resolution enhanced all-optical analog-to-digital converter employing cascade optical quantization operation", Optics Express, Vol. 22, Issue 18, pp. 21441-21453, 2014,  DOI: 10.1364/OE.22.021441

148.   Zhang, X., Yuan, J., Zou, J., Jin, B., Sang, X., Wu, Q., Yu, C. and Farrell, G.: "Enhanced broadband parametric wavelength conversion in silicon waveguide with the multi-period grating", IEEE Photonics Journal, Vol. 6,  No. 6, November 2014, DOI: 10.1109/JPHOT.2014.2366150

149.   Kang, Z., Yuan, J., Zhang, X., Wu, Q., Sang, X., Farrell, G., Yu, C., Li, F., Tam, H.Y. and Wai, P.A.: CMOS-compatible 2-bit optical spectral quantization scheme using a silicon-nanocrystal-based horizontal slot waveguide, Nature Scientific Reports, Vol 4, Article No. 7177, November 24th 2014, DOI: 10.1038/srep07177

150.   Wang, P., Ward, J.,  Yang, Y., Feng, X., Brambilla, G., Farrell, G. and Nic Chormaic, S.: "Lead-silicate glass optical microbubble resonator", Applied Physics Letters, Vol. 106, 061101, February 2015, DOI: 10.1063/1.4908054

151.   Bo, L., Wang, P., Semenova, Y. and Farrell, G.: "Optical microfiber coupler based humidity sensor with a polyethylene oxide coating", Microwave and Optical Technology Letters, Vol. 57, No. 2, pp. 457每460, February 2015, DOI: 10.1002/mop.28874

152.   Jin, B., Yuan, J., Yu, C., Sang, X., Wei, S., Zhang, X., Wu, Q. and Farrell, G.: "Efficient and broadband parametric wavelength conversion in a vertically etched silicon grating without dispersion engineering", Optics Express, Vol. 22, Issue 6, pp. 6257-6268, 2014, DOI:1364/OE.22.006257

153.   Ma, Y., Farrell, G., Semenova, Y., Chan, H., Zhang, H. and Wu, Q.: "Sensitivity enhancement for a multimode fiber sensor with an axisymmetric metal grating layer", Photonics and Nanostructures - Fundamentals and Applications Volume 12, Issue 1, February 2014, Pages 69每74, DOI:10.1016/j.photonics.2013.08.001

154.   Jin, B., Yuan, J., Yu, C., Sang, X., Wu, Q., Li, F., Wang, K., Yan, B., Farrell, G and Wai, P.K.A.: "Tunable fractional-order photonic differentiator based on the inverse Raman scattering in a silicon microring resonator", Optics Express, Vol. 23, Issue 9, pp. 11141-11151 (2015) DOI: 10.1364/OE.23.011141

155.   Yuan, J., Wang, K., Kang, Z., Yan, B., Sang, X., Wu, Q., Yu, C. and Farrell, G. "Strong modulation instability in silicon-organic hybrid slot waveguide", Accepted for publication in the IEEE Photonics Journal, May 2015 DOI:10.1109/JPHOT.2015.2439952

156.   Ma, Y., Farrell, G., Semenova, Y. and Wu, Q.: "A hybrid wedge-to-wedge plasmonic waveguide with low loss propagation and ultra-deep-nanoscale mode confinement", Accepted for publication in the IEEE Journal of Lightwave Technology, June 2015

Conference Publications

1.       Farrell, G., Phelan, P. and Hegarty, J.: "All optical clock distribution with synchronous frequency division and multiplication", European Conference on Optical Communication, TuP-1.24, Berlin, September, 1992

2.       Phelan, P., Farrell, G. and Hegarty, J.: "Injection Locking Properties of Multisection self-pulsating laser diodes", Semiconductor and Integrated Optoelectronics Conference, Cardiff, April, 1992.

3.       Farrell, G., Phelan, P., and Hegarty, J.: "Optoelectronic Variable Frequency Pulse Synthesis", Semiconductor and Integrated Optoelectronics Conference, Cardiff, March, 1993.

4.       Phelan, P., Egan, A., Farrell, G. and Hegarty, J.: "Self-pulsation and relaxation Oscillation Frequencies in Laser diodes", Semiconductor and Integrated Optoelectronics Conference, Cardiff, March, 1993.

5.       Farrell, G., Phelan, P., and Hegarty, J.: "Optoelectronic Variable Frequency Pulse Generation", European Conference on Optical Communication, Switzerland, Sept., 1993.

6.       Hyland, J. and Farrell, G.: "The Effect of Temperature on the Self-Pulsation Frequency of Twin Section Laser Diodes", Irish Optoelectronics Group conference, Limerick, May 1993.

7.       Houston, S. and Farrell, G.:  "RF Spectral Analysis of Self-pulsating Frequency Shift Keying", Irish Optoelectronics Group conference, Limerick, May 1994.

8.       Fingleton, M. and Farrell, G.:  "Computer Based Training in Optical Communications Systems", Irish Optoelectronics Group conference, Limerick, May 1994.

9.       Hyland, J. and Farrell, G.:  "Active Temperature Control of a Self-pulsating Laser Diode", Irish Optoelectronics Group conference, Limerick, May 1994.

10.   Fingleton, M. and  Farrell, G.:  "Performance Analysis of the Fibre Distributed Data Interface", Optoelectronics and Photonics Europe Conference, Dublin, May 1996.

11.   Molony, C. and  Farrell, G.:  "Synchronisation Detection for Self-Pulsating  Laser Diodes", Lasers and Optical Engineering Conference, Galway, June 1997

12.   Gobbett, B., Downing, C.P., Farrell, G. and Foley, B.: "Factors Limiting the Range of the Basic Rate ISDN U-Interface", Irish Signals and Systems Conference, University of Ulster, June 1997

13.   O'Leary, P and  Farrell, G. : "Low bit rate communications over the ISDN and the low voltage network", Irish Signals and Systems Conference, D.I.T. Kevin St., June 1998

14.   Molony, C. and Farrell, G.: "Synchronisation detection for Self-Pulsating Laser diodes", International Postgraduate Research Student Conference, D.I.T. Aungier St., November 1998

15.   Semenova, Y., Panarin Y., Dovgalets, S., and Farrell, G.: "Liquid crystal based optical matrix switches", Abstracts of the 19th International Liquid Crystal Conference, Edinburgh, UK, 2002, P667.

16.   Semenova, Y., Panarin, Y. and Farrell, G.: "Optical switches using electro-optical effects in Liquid Crystals". SPIE Opto-Ireland Conference, Galway, September 2002

17.   Gao, C. and Farrell, G.: "Numerical aperture characteristics of angle-ended plastic optical fibre". SPIE Opto-Ireland Conference, Galway, September 2002

18.   Chang, M., Panarin, Y. and Farrell, G.: "Real grey-scale in electrooptic response in a novel liquid crystal phase", SPIE Opto-Ireland Conference, Galway, September 2002

19.   Farrell, G. and Quinn, D.: "Enhancing student learning in physical layer design for optical communications networks". SPIE Opto-Ireland Conference, Galway, September 2002

20.   Quinn, D. and Farrell, G.: "Responsivity of RCLEDs for use in bi-directional fibre communications systems", IEE/IEEE Telecommunications Systems Research Symposium, Dublin, May 2003.

21.   Freir, T. and Farrell, G.: "Suitability of SMF28 fibre as a wavelength filter using the bend loss technique", IEE/IEEE Telecommunications Systems Research Symposium, Dublin, May 2003.

22.   Gao, C. and Farrell, G.: "Modelling of Rayleigh backscattering in plastic optical fibre", IEEE High Frequency Postgraduate student colloquium, Belfast, Sept. 2003.

23.   McMillan,  N.D.,  Denieffe, D.,  Riedel, S.,  Tiernan, K., McMillan, D.G.E ., Farrell, G., Kennedy, D.,   Egan, J.,  Doyle,  G.,  Augousti, A., and Mason, J.:  "Theoretical enquiry into the use of data entropy methods for optoelectronic-fibre system-digital design", IT&T Conference, Letterkenny, Oct. 2003.

24.   Semenova, Y., Lee, S., Panarin, Y. and Farrell, G.: "Total reflection optical switch using a nematic Liquid Crystal", 15th International Conference on Liquid Crystals, Zakopane, Poland, 13-17 Oct. 2003.

25.   Gao, C. and Farrell, G.: "Downlink coupling of a novel POF directional coupler", SPIE Opto-Ireland Conference, Dublin, April 2005, Paper Ref. 5825-84

26.   Semenova, Y., Panarin, Y. and Farrell, G.: "High-speed switch for all-optical networks based on a ferroelectric liquid crystal", SPIE Opto-Ireland Conference, Dublin, April 2005, Paper Ref. 5825-92

27.   Wang, Q. and Farrell, G.: "Modelling and analysis of fibre bending loss", SPIE Opto-Ireland Conference, Dublin, April 2005, Paper Ref. 5825-80

28.   Freir, T.M. and Farrell, G.: "Temperature dependence of a multiple turn bend loss component based on SMF28", SPIE Opto-Ireland Conference, Dublin, April 2005, Paper Ref. 5825-82

29.   McMillan, N.D., Egan, J.J., Denieffe, D., Farrell, G., McGowan, G., Riedel, S., Tiernan, K., McMillan, D.G.E ., Kennedy, D.,   Doyle,  G.,  Augousti, A..:  "A new data diffraction method for digital signal analysis and optoelectronic-fibre system-digital design", SPIE Opto-Ireland Conference, Dublin, April 2005, Paper Ref. 5825-90

30.   McMillan, N.D., Egan, J.J., Denieffe, D., Farrell, G.: "Optical Telecommunications System and Signal Analysis using Data-Entropy and Multiple-Centroid Data-Scatter", SPIE Photonics North conference proceedings, Toronto, 12-14 September 2005, Paper Ref. 5970-65

31.   Semenova, Y., Panarin, Y. and Farrell, G.: "Fast Free-Space Photonic Switch Based on a Ferroelectric Liquid Crystal", SPIE Photonics Europe, Strasbourg, 3-7 April 2006

32.   Wang, Q. and Farrell, G.: "Numerical Investigation of Multimode Interference in a Multimode Fiber and its Applications in Optical Sensing". SPIE Photonics Europe, Strasbourg, 3-7 April 2006

33.   Farrell, G. and Gao, C.: "Sources and levels of crosstalk in a bi-directional Plastic Optical Fibre data transmission link", SPIE Photonics Europe, Strasbourg, 3-7 April 2006

34.   Bent, S., Moloney, A. and Farrell, G.: "LEDs as both Optical Sources and Detectors in Bi-directional Plastic Optical Fibre Links", IET Irish Signals and Systems Conference, Dublin, June 2006.

35.   Wang, Q., Farrell, G., Wang, P., Rajan, G., Semenova, Y. and Freir, T.: "Macrobending Standard Singlemode Fiber and its Novel Application in Optical Sensing", OSA Optical Fiber Sensing Conference, Mexico, 23-27 October  2006

36.   Semenova, Y., Farrell, G., Wang, Q. and  Rajan, G.: "Demodulation of Multiple Fibre Bragg Grating Sensors using a Ferroelectric Liquid Crystal Tunable Filter", OSA Optical Fiber Sensing Conference, Mexico, 23-27 October  2006

37.   Rajan, G., Semenova, Y., Wang, Q., Farrell, G and Wang, P.:  "Fibre bend loss ratiometric wavelength demodulation system for an FBG strain sensor", Photonics 2006, Hyderabad, India, 9-11 December 2006

38.   Wang, Q., Farrell, G. and Wang, P.: "Resolution of a ratiometric system for wavelength measurement", SPIE International Congress on Optics and Optoelectronics, Prague, 16-19 April 2007, Ref: 6585-08

39.   Semenova, Y., Farrell, G. and Rajan, G.: "Fabry-Perot liquid crystal tunable filter for interrogation of multiple Fibre Bragg Grating sensors", SPIE International Congress on Optics and Optoelectronics, Prague, 16-19 April 2007, Ref: 6587-39

40.   Wang, Q., Farrell, G. and Hatta, A.: "Optimization of multimode interference structure for ratiometric wavelength measurement", Third European Workshop on Optical fibre Sensors, Naples, Italy, 4-6 July, 2007

41.   Chuckravanen, D., Moloney, A. and Farrell, G.: "Depth Measurement using a Time-Of-Flight Method based on Time-Correlated Single Photon Counting", IET Irish Signals and Systems Conference, Londonderry, N. Ireland, 13-14 September, 2007

42.   Hatta, A., Farrell, G. and Semenova, Y: "Design of a Multiple MMI Structure for (BIO-) Chemical Sensor Applications", Europtrode Conference IX, Dublin, 30 March 每 2 April 2008

43.   Hatta, A., Wang, Q., Farrell, G., and Zheng, J.: "A design method for a ratiometric wavelength monitor using a pair of directional couplers acting as edge filters", SPIE Photonics Europe, Strasbourg, 7-11 April 2008

44.   Wang, P., Farrell, G., Semenova, Y., Wang, Q., Hatta, A. and Rajan, Q.: "Accurate theoretical prediction on singlemode fiber macrobending loss and bending induced polarization dependent loss", SPIE Photonics Europe, Strasbourg, 7-11 April 2008

45.   Matthews, S., Semenova, Y. and Farrell, G.: "Discretely Tunable Ferroelectric Liquid Crystal Filter for Demodulation of Multiple FBG sensors", SPIE Photonics Europe, Strasbourg, 7-11 April 2008

46.   Rajan, G., Semenova, Y. and Farrell, G., Wang, Q. and Wang, P: "Investigation of the influence of 3 dB coupler on ratiometric wavelength measurements", SPIE Photonics Europe, Strasbourg, 7-11 April 2008

47.   Farrell, G., and Gao, C.: "Enhanced Resolution of a POF based Refractometer Sensor using a novel hybrid silica-fiber POF directional coupler", SPIE Photonics Europe, Strasbourg, 7-11 April 2008

48.   Hatta, A., Farrell, G., Wang, Q., and Zheng, J.: "Design of the optical core of an integrated ratiometric wavelength monitor", European Conference on Integrated Optics (ECIO 08), Eindhoven, 11-13 June 2008

49.   Hatta, A., Farrell, G. and Wang, Q.: "A simple integrated ratiometric wavelength monitor based on multimode interference structure", SPIE Optical System Design Conference Glasgow UK, 2 - 5 September 2008

50.   Wang, P., Semenova, Y. and Farrell, G.: "A Macrobending Singlemode Fiber Based Refractometer: Proposal and Design", Optics and Photonics 2008 Conference, Edinburgh, 26 - 29 August 2008

51.   Rajan, G., Semenova, Y. and Farrell, G.: "An all-fiber interrogation system for a Bragg grating array", Optics and Photonics 2008 Conference, Edinburgh, 26 - 29 August 2008

52.   Qiu, F., Ti, Y., Zhang, J., Cao, Y., Zheng, J., Wang, P. and Farrell, G.: "Photoluminescence of copper ion-exchanged planar waveguides in commercial soda-lime glass", Asia-Pacific Optical Communications 2008 conference, Hangzhou, China, 26 - 30 October 2008

53.   Rajan, G., Semenova, Y. and Farrell, G.: "Applications of macro-band loss in singlemode fibers: FBG interrogator and temperature sensor", Photonics 2008, Hyderabad, India, 14 - 17 December 2008

54.   Matthews, S., Semenova, Y. and Farrell, G.: "Theoretical modeling of the tunable properties of Ferroelectric Liquid Crystal filled Photonic Crystal Fibers", Photonics 2008, Hyderabad, India, 14 - 17 December 2008

55.   Rajan, G., Mathews, J., Semenova, Y. and Farrell, G.: "Evaluation of the performance of a novel low-cost macro-bend fiber based temperature sensor", SPIE Defense, Security, and Sensing, Florida, 13 - 17 April 2009

56.   Matthews, S., Semenova, Y. and Farrell, G.: "Tunable properties of liquid crystal-filled photonic crystal fibers", SPIE Defense, Security, and Sensing, Florida, 13 - 17 April 2009

57.   Hatta, A., Rajan, G., Farrell, G. and Semenova, Y.: "Ratiometric wavelength monitor based on X-type spectral response using two edge filters", SPIE Europe International Congress on Optics and Optoelectronics, Prague, 20 每 24 April 2009

58.   Matthews, S., Semenova, Y., Rajan, G. and Farrell, G.: "Experimental demonstration of a Ferroelectric LC Tunable Filter for Fast Demodulation of FBG Sensors", SPIE Europe International Congress on Optics and Optoelectronics, Prague, 20 每 24 April 2009

59.   Hatta, A. and Farrell, G.:  "Ratiometric wavelength monitor using a pair of symmetrical multimode interference structures based on silicon-on-insulator (SOI),"  SPIE Symposium on Microtechnologies, Dresden, 4 - 6 May 2009

60.   Wu, Q., Rajan, G., Wang, P., Semenova. Y. and Farrell, G.: "Optimum design for maximum resolution for an edge filter based ratiometric wavelength measurement system", SPIE ISPDI Symposium, Beijing, 17 - 18 June 2009,

61.   Callaghan, D., McGrath, M., Rajan, G., Coyle, E., Semenova, Y and Farrell, G.: "Analysis of Strain Transfer to FBG*s for Sensorized Telerobotic End-Effector Applications", German Workshop on Robotics, 2009, 9 - 10 June 2009

62.   Wang, P., Farrell, G. and Semenova. Y.:  "A high sensitivity temperature sensor based on a macrobending fiber", Photonics Ireland 2009, Kinsale, 14 - 16 September 2009

63.   Mathew, J., Wang, P., Rajan, G., Semenova. Y. and Farrell, G.: "A humidity sensor based on a bend singlemode fiber", Photonics Ireland 2009, Kinsale, 14 - 16 September 2009

64.   Wu, Q., Farrell, G. and Semenova. Y.:  "A simple, high sensitivity interrogation system for FBG temperature sensing", Photonics Ireland 2009, Kinsale, 14 - 16 September 2009

65.   Bakhvalova, T., Rajan, G., Semenova. Y. and Farrell, G.: "A tunable high resolution FBG demodulation system using photonic crystal fiber loop mirrors", Optical Fiber Sensors Conference 20, Edinburgh, 5 - 9 October 2009

66.   Wang, P., Semenova. Y., Wu, Q. and Farrell, G.: "A macrobending fiber based micro-displacement sensor utilizing whispering-gallery modes", Optical Fiber Sensors Conference 20, Edinburgh, 5 - 9 October 2009

67.   Mathew, J., Rajan, G., Semenova. Y. and Farrell, G.: "All Fiber tunable loss filter", Optical Fiber Sensors Conference 20, Edinburgh, 5 - 9 October 2009

68.   Wu, Q., Farrell, G. and Semenova. Y.:  "Influence of system configuration on a ratiometric wavelength measurement system", Optical Fiber Sensors Conference 20, Edinburgh, 5 - 9 October 2009

69.   Mathew, J., Wang, P., Rajan, G., Semenova. Y. and Farrell, G.: "Polyethylene oxide coated singlemode fiber bend for monitoring humidity change",  SENNET 2009, India, 7 - 10 December 2009

70.   Ti, Y., Hea, X., Zhang, J., Cao, Y., Zheng, J., Wang, P. and Farrell, G.: "Cu-Na Ion Exch Soda-Lime Glass Planar Waveguides and their Photoluminescence", SPIE-OSA-IEE Asia Communications and Photonics, 2 - 6 November 2009, Shanghai, China, Proc SPIE 7630-48

71.   Wolinski, T., Domanski, A,W., Lesiak, P., Szekag, M., Milenko, K., Jedrzejewski, K., Boczkowska, A., Kurzydlowski, K.J., Rajan, G., Semenova, Y. and Farrell, G.: "Fiber-Optic Smart Structures with Embedded Sensors", 4th Integrated Optics - Sensors, Sensing Structures and Methods Conference, Poland, 1 - 5 March 2010

72.   Wang, P., Semenova. Y. and Farrell, G.: "Implementation of Fiber Filters Based on a Macrobending High-Bend Loss Fiber Utilizing the Whispering Gallery Mode Effects", SPIE Conference of Defense, Security and Sensors, Orlando, Florida, 5 - 9 April 2010

73.   Wu, Q., Semenova. Y. Hatta, A, Wang, P. and Farrell, G.: "Use of Single-Multiple-Single mode fiber filters for simultaneously measuring strain and temperature", SPIE Photonics Europe, Brussels, 12 - 16 April 2010

74.   Wang, P., Semenova. Y., Wu, Q., Sun, A. and Farrell, G.: "A macrobending fiber based vibration sensor using a bend fibre half-loop", SPIE Photonics Europe, Brussels, 12 - 16 April 2010

75.   Madhav, K., Semenova. Y. and Farrell, G.: "Macro-bend Optical Fiber Linear Displacement Sensor", SPIE Photonics Europe, Brussels, 12 - 16 April 2010

76.   Rajan, G., Matthews, S., Farrell, G. and Semenova, Y.: "Characterization of Liquid Crystal Coated Photonic Crystal Fiber Interferometers", SPIE Photonics Europe, Brussels, 12 - 16 April 2010

77.   Mathews, S., Semenova, Y. and Farrell, G.: "Liquid Crystal filled Photonic Crystal Fibers for Voltage Sensing Applications", SPIE Photonics Europe, Brussels, 12 - 16 April 2010

78.   Wang, P., Semenova. Y., Wu, Q. and Farrell, G.: "A macrobending fiber based micro-displacement sensor", SOPO2010,  The 2nd International Symposium on Photonics and Optoelectronics, Chengdu, China, 19 - 21 June 2010

79.   Ramakrishnan, M., Rajan, G., Semenova, Y. and Farrell, G.: "Design of a surface attachable hybrid fiber sensor packaged in a polyimide film for engineering applications", Fourth European Workshop on Optical Fibre Sensors, EWOFS2010, Portugal, 7 - 10 September 2010

80.   Ramakrishnan, M., Rajan, G., Semenova, Y. and Farrell, G.: "Composite materials with embedded optical fiber sensors for in-situ structural health monitoring", Workshop & International Conference on Smart Materials (WICSM) 2010,  Dublin, 22 - 24 September 2010

81.   Wang, P., Brambilla, G., Semenova, Y., Wu, Q., Zheng, J. and Farrell, G.: "Proposal for a Simple Polarization Converter based on Integrated Optical Ion Exchanged Waveguide", 9th International Conference on Optical Communications and Networks, Nanjing, China, 24 - 27 October 2010

82.   Wu, Q., Semenova, Y., Wang, P., Hatta, A.M. and Farrell, G.: "Simultaneous measurement of displacement and temperature with a single SMS fiber structure", Asia Communications and Photonics Conference and Exhibition (ACP 2010), Shanghai, China, 9 - 11 December 2010

83.   Ramakrishnan, M., Rajan, G., Semenova, Y., Lesiak, P., Doma里ski, A., Woli里ski, T. and Farrell, G.: "Design of a flexible electro每optic polymer phase modulator for demodulation of polarimetric sensors", IOS-2011, Integrated Optics - Sensors, Sensing Structures and Methods, Poland, 28 Feb - 5 Mar 2011

84.   Budaszewski, D., Lesiak, P., Plaga, R., Rajan, G., Semenova, Y., Farrell, G., Boczkowska, A., Domanski. A. and  Wolinski. T.: "Influence of angular orientation of the embedded HB fiber on PMD changes under axial stress", IOS-2011, Integrated Optics - Sensors, Sensing Structures and Methods, Poland, 28 Feb - 5 Mar 2011

85.    Mathew, J., Rajan, G., Semenova, Y. and Farrell, G.: "Photonic crystal fiber interferometer for dew detection", International Conference on Optical Fiber Sensors - OFS-21, Ottawa, Canada, 15 - 19 May 2011

86.   Rajan. G, Callaghan. D., Semenova. Y. and Farrell. G.: "Miniature temperature insensitive fiber optic sensors for minimally invasive surgical devices", International Conference on Optical Fiber Sensors - OFS-21, Ottawa, Canada, 15 - 19 May 2011

87.   Wang, P.,  Brambilla, G., Ding, M., Wang, Y., Semenova, Y., Wu, Q. and Farrell, G.: "An improved ratiometric wavelength measurement system incorporating fibre comb filters fabricated by CO2 laser irradiation", International Conference on Optical Fiber Sensors - OFS-21, Ottawa, Canada, 15 - 19 May 2011

88.   Wu, Q., Semenova, Y., Wang, P. and Farrell, G.: "The use of a bent singlemode-multimode-singlemode (SMS) fiber structure for vibration sensing", International Conference on Optical Fiber Sensors - OFS-21, Ottawa, Canada, 15 - 19 May 2011

89.   Lesiak, P., Rajan, G., Semenova, Y., Farrell, G., Boczkowska, A., Budaszewski, D., Domanski, A. and Wolinski. T.: "Influence of the lamination process on the strain sensitivity of the fiber sensors embedded in composite materials", International Conference on Optical Fiber Sensors - OFS-21, Ottawa, Canada, 15 - 19 May 2011

90.   Wang, P.,  Brambilla, G., Semenova, Y., Wu, Q. and Farrell, G.: "Optimization of an Integrated Wavelength Monitor Device", SPIE Optics & Optoelectronics International Symposium, Prague, 18 - 21 April 2011

91.   Mathew, J., Rajan, G., Semenova, Y. and Farrell, G.: "Agarose coated single mode optical fiber bend for monitoring humidity", SPIE Optics & Optoelectronics International Symposium, Prague, 18 - 21 April 2011

92.   Wang, P., Brambilla, G., Semenova, Y., Wu, Q., Zheng, J. and Farrell, G.: "The use of 2D and 3D WA-BPM models to analyze total-internal-reflection based integrated optical switches", International Symposium On Photoelectronic Detection and Imaging 2011, Beijing, China, 24 - 26 May 2011.

93.   Wolinski, T., Lesiak, P., Plaga, R., Szeląg, M., Budaszewski, D., Doma里ski, A.W., Boczkowska, A., Rajan, G., Semenova, T. and Farrell, G.: "Stress induced in optical fiber sensors embedded in composite materials by the lamination process". Metrologica 2011, Brazil, 27 每 30 September 2011

94.   Ma. Y., Wu. Q., Semenova, Y. and Farrell, G.: "The influence of the structure of a sub-wavelength grating on its transmission efficiency", Photonics Ireland 2011 Conference, Dublin, 7 - 10 September 2011

95.   Mathews. J., Semenova, Y. and Farrell, G.: "A miniature optical humidity sensor", IEEE Sensors Conference 2011, Limerick, 28 - 31 October 2011

96.   Rajan, G., Ramkrishnan, M., Semenova, Y., Farrell, G., Doma里ski, A.W., Boczkowska, A. and Wolinski, T.: "Performance analysis and comparison of composite materials, embedded with different optical fiber sensor types", IEEE Sensors Conference 2011, Limerick, 28 - 31 October 2011

97.   Mathew, J. Semenova, Y. and Farrell, G.: "Polymer Coated Photonic Crystal Fiber Interferometer for Relative Humidity Sensing ", International Conference on Trends in Optics and Photonics, Calcutta, India, 7 - 9 December 2011

98.   Ramkrishnan, M., Rajan, G., Lesiak, P., Semenova, Y., Doma里ski, A.W., Wolinski, T., Boczkowska, A. and Farrell, G.: "Detection of thermal expansion of carbon and glass reinforced fiber composite materials using polarimetric and fiber Bragg grating sensors", International Conference on Trends in Optics and Photonics, Calcutta, India, 7 - 9 December 2011

99.   Ma. Y., Farrell, G., Semenova, Y., Wu, Q.: "Novel nano-plasmonic splitter based on T-shaped Bragg grating waveguide", SPIE Photonics Europe 2012, Brussels, 16 - 19 April 2012

100.   Ramkrishnan, M., Rajan, G., Semenova, Y., Wolinski, T. and Farrell, G.: "Design of a demodulation scheme for a hybrid fiber sensor system for composite materials", SPIE Photonics Europe 2012, Brussels, 16 - 19 April 2012

101.   Wang, P., Brambilla, G., Ding, M., Semenova, Y., Farrell, G.: "An SMS fiber structure based on chalcogenide multimode fiber", SPIE Photonics Europe 2012, Brussels, 16 - 19 April 2012

102.   Semenova, Y., Mathews. S., Rajan, G. and Farrell, G.: "Control of light propagation in optical fibers using liquid crystals for applications in optical communications and sensing", International Conference on Photonics, ICP 2012, Malaysia, 1st-3rd October 2012

103.   Mathew. J., Semenova, Y. and Farrell, G.: "A high sensitivity humidity sensor based on an Agarose coated photonic crystal fiber interferometer", International Conference on Optical Fiber Sensors - OFS-22, Beijing, 15 - 19 October 2012

104.   Ma. Y., Farrell, G., Semenova, Y., Chan, H.P. and Wu, Q.: "A Novel Biosensor based on a Coupled Surface Plasmon Nanostructure", International Conference on Optical Fiber Sensors - OFS-22, Beijing, 15 - 19 October 2012

105.   Ramkrishnan, M., Rajan, G., Semenova, Y., Wolinski, T. and Farrell, G.: "Comparison of vibration measurements in composite materials using different types of polarimetric sensors", International Conference on Optical Fiber Sensors - OFS-22, Beijing, 15 - 19 October 2012

106.   Bo, L., Wang, P., Semenova, Y., Brambilla, G. and Farrell, G.: "An investigation of the polarization dependence of a temperature sensor based on an optical microfiber coupler", International Conference on Optical Fiber Sensors - OFS-22, Beijing, 15 - 19 October 2012

107.   Wu, Q., Ma. Y., Semenova, Y., Wang, P., Chan, H.P. and Farrell, G.: "Enhanced RI sensitivity sensor withusing a combination of a long period fiber grating and a small core singlemode fiber (SCSMF) structure", International Conference on Optical Fiber Sensors - OFS-22, Beijing, 15 - 19 October 2012

108.   Wang, P.,  Brambilla, G., Ding, M., Bo, L., Semenova, Y., Wu, Q. and Farrell, G.: "Refractive index sensing measurement based on periodically tapered small core singlemode fibre", International Conference on Optical Fiber Sensors - OFS-22, Beijing, 15 - 19 October 2012

109.   Semenova, Y., Bo, L., Mathews, S., Wang, P., Wu, Q. and Farrell, G.: "Spectral tuning of a microfiber coupler with a liquid crystal overlay",  International Conference on Optical Fiber Sensors - OFS-22, Beijing, 15 - 19 October 2012

110.   Ma. Y., Farrell, G., Semenova, Y., Chan, H.P. and Wu, Q.: "High sensitivity refractive index sensor based on multimode fiber coated with an axisymmetric metal grating layer", Asia Communications and Photonics Conference, ACP 2012, Guangzhou, China, 7th-10th November 2012

111.   Ramkrishnan, M., Rajan, G., Semenova, Y., and Farrell, G.: "Characterization of polarimetric sensors embedded in carbon and glass reinforced composite materials for strain/temperature measurement", International Conference on Fiber Optics and Photonics, Madras, India, December 9th-12th, 2012

112.   Mathews, S., Semenova, Y., Callaghan, D., Rajan, D. and Farrell, G.: "Temperature Insensitive Miniature Photonic Crystal Fiber Strain Sensors", International Conference on Fiber Optics and Photonics, Madras, India, December 9th-12th, 2012

113.   Mathews, S., Semenova, Y., Callaghan, D., Rajan, D. and Farrell, G.: "Photonic Crystal Fiber Strain Sensors for Laparoscopic Surgical Staplers", Photonics Global Conference (PGC) 2012, Singapore, 13th-16th December 2012

114.   Wang, P.,  Bo, L., Semenova, Y., and Farrell, G.: "Tapered microfibre coupler based biosensor", Third International Conference on Bio-Sensing Technology, Barcelona, Spain, May 13th-15th 2013

115.   Semenova, Y.,  Bo, L., Wang, P., Mathews, S., Wu, Q., Teng, M., Yu, C. and Farrell, G.: "Experimental study of temperature response of a microfiber coupler sensor with a liquid crystal overlay", European Workshop on Optical Fiber Sensors 2013, Krakow, Poland, 19th-22nd May 2013

116.   Ma, Y., Farrell, G., Semenova, Y. and Wu, Q.,: "Hybrid waveguide based long range surface plasmon biosensor" SPIE Biosensing and Nanomedicine VI, San Diego, USA, 25th- 29th August 2013

117.   Wang, P.,  Bo, L., Semenova, Y., Wu, Q., Farrell, G. and Brambilla, G.: A multimode fiber tip based temperature sensor, OSA Optical Sensors Topical Meeting 2013, Puerto Rico, 14th-17th July 2013

118.   Bo, L., Wang, P., O'Mahony, C., Kavungal, V., Semenova, Y. and Farrell, G.: "Detection of Polyelectrolyte Multilayer Adsorption on an Embedded Microfiber Coupler", Photonics Ireland, 2013, Belfast, 4th-6th September 2013

119.   Kavungal, V., Bo, L., Farrell, G. and Semenova, Y.: "Influence of the Radius of a Spherical Micro Resonator on its Whispering Gallery Mode Spectrum", Photonics Ireland, 2013, Belfast, 4th-6th September 2013

120.   Ramkrishnan, M., Rajan, G., Semenova, Y., and Farrell, G.: "Electro-optic Modulator Based Interrogation for a Polarimetric Fiber Sensor for Strain and Temperature Measurements", Photonics Ireland, 2013, Belfast, 4th-6th September 2013

121.   Ma, Y., Farrell, G., Semenova, Y. and Wu, Q.,: "Novel Bragg Reflector and High-Q Cavity based on a Dielectric Loaded Plasmonic Waveguide", Photonics Ireland, 2013, Belfast, 4th-6th September 2013

122.   Semenova, Y., Kavungal, V., Mathews, S., Rajan, G. and Farrell, G.: "Investigation of Light Propagation in Microstructured Polymer Optical Fibers infiltrated with Liquid Crystal and its Temperature Dependence", 22nd International Conference on Plastic Optical Fibers (POF), POF 2013, Armação dos Buzios, Brazil, 11th-13th September 2013

123.   Bo, L., O'Mahony, C.C., Semenova, Y., Gilmartin, N., Wang, P. and Farrell, G.: "Microfiber Coupler Based Biosensor for Immunoglobulin G Antigen Detection" Asia Communications and Photonics Conference, Beijing, China, 12th-15th November 2013

124.   Ramakrishnan, R., Mathews, S., Rajan, G., Semenova, Y., Farrell, G. and Srinivasan, B.: "Fabrication and Characterization of Bragg Gratings in Polymer Optical Fibers using 248 nm Irradiation", Asia Communications and Photonics Conference, Beijing, China, 12th-15th November 2013

125.   Jing, N., Teng, C., Zheng, J., Wang, P. and Farrell, G.:  "Refractive Index Sensing with a Macro-bending Structure of the Multimode Micro Plastic Optical Fiber", Asia Communications and Photonics Conference, Beijing, China, 12th-15th November 2013

126.   Farrell, G., Bo, L., Guan, C., Semenova, Y. and Wang, P.: "Periodically tapered photonic crystal fibre based strain sensor fabricated by a CO2 laser technique, SPIE Photonics Europe 2014, 14th-17th April 2014, DOI: 10.1117/12.2053926

127.   Wang, P., Ding, M., Bo, L., Semenova, Y., Brambilla, G. and Farrell, G.: "A photonic crystal fibre tip refractometer based on multimode interference", Optical Fibre Sensors 2014 (OFS 23), Santander, 2nd 每 6th June 2014, DOI: 10.1117/12.2059596

128.   Semenova, Y.,  Bo, L., Wang, P., Tian, F., Byrne, H. and Farrell, G.: "Microfiber coupler based biosensor incorporating a layer of gold nanoparticles with improved sensitivity", Optical Fibre Sensors 2014 (OFS 23), Santander, 2nd 每 6th June 2014, DOI: 10.1117/12.2059662

129.   Wu, Q., Ma. Y., Semenova, Y., Yuan, J., Bo, L., Wang, P., Sang, X., Teng, M., Yu, C., Charlton-O'Mahony, C. and Farrell, G.: "A high sensitivity refractometer based on a tapered SCSMF structure and its application to biosensing", Optical Fibre Sensors 2014 (OFS 23), Santander, 2nd 每 6th June 2014, DOI: 10.1117/12.2059270

130.   Kavungal, V., Bo, L., Wu, Q., Teng, M., Yu, C., Farrell, G. and Semenova, Y.: "Study of whispering gallery modes in a cylindrical microresonator excited by a tilted fiber taper", Optical Fibre Sensors 2014 (OFS 23), Santander, 2nd 每 6th June 2014, DOI: 10.1364/OE.22.008150

131.   Semenova, Y., Mathews, S., Kavungal, V. and Farrell, G.: "Microstructured optical fibers infiltrated with liquid crystals for tunable photonic devices and sensors", International Liquid Crystal Conference, Dublin, 29th June - 4th July 2014

132.   Kavungal, V., Wu, Q., Farrell, G. and Semenova, Y.: "Excitation of whispering-gallery-modes in a photonic crystal fibre micro cylinder infiltrated with a nematic liquid crystal", International Liquid Crystal Conference, Dublin, 29th June - 4th July 2014

133.   Semenova, Y., Kavungal, V., Wu, Q. and Farrell, G.: "Plastic Fiber based Cylindrical Whispering Gallery Mode Microresonators for Sensing Applications", Plastic Optical Fibers 2014, POF 2014. Yokohama, Japan, 8th - 10th October 2014

134.   Kavungal, V., Wu, Q., Farrell, G. and Semenova, Y.: "Studies of Effective Coupling conditions for a Microsphere- Tapered Fiber System for Generating Whispering Gallery Modes", Photonics 2014 - IIT Kharagpur India, 13th - 16th December 2014

135.   Malik, A., Semenova, Y., Wu, Q. and Farrell, G.: "Numerical and Experimental Study of Whispering Gallery Mode Resonator based on a Silica Microsphere", Photonics 2014 - IIT Kharagpur India, 13th - 16th December 2014

136.   Farrell, G.: "Optical Fiber Sensing: Sensing solutions from the macro world to the micro world", Invited talk,
III Symposium of the Photonics Society of Poland, Warsaw, 8th 每 9th April 2015

137.   Bieda, M., Lesiak, P., Szelag, M., Kuczkowski, M., Domanski, A., Wolinski, T. and Farrell G.: "Polarimetric and fiber Bragg grating reflective hybrid sensor for simultaneous measurement of strain and temperature in composite", SPIE Optics and Optoelectronics International Symposium 2015, Prague, 13th 每 16th April 2015

138.   Farrell, G.: "Optical Fiber Sensing: Sensing solutions from the macro world to the micro world", Invited talk, International Conference on Information and Communications Technologies (ICT2015), Xian China, 24th 每 26th April 2015

139.   Semenova, Y., Kavungal, V., Wu, Q. and Farrell, G.: "Submicron accuracy fiber taper profiling using whispering gallery modes in a cylindrical fiber micro-resonator", Accepted for Optical Fibre Sensors Conference 2015 (OFS 24), Brazil

140.   Mahmood, A., Kavungal, V., Ahmed, S.S., Kopcansky, P., Zavisova, V., Farrell, G. and Semenova, Y.: "Whispering gallery modes in a ferronematic-infiltrated fibre micro-resonator for magnetic field sensing", Accepted for the European Conference on Liquid Crystals, ECLC 2015, Manchester, 7th 每 11th September 2015

Book Chapters

1.   Callaghan, D., McGrath, M., Rajan, G., Coyle, E., Semenova, Y and Farrell, G.: "Advances in Robotics Research,  Theory, Implementation, Application ", Chapter 6, Published by Springer Berlin Heidelberg, ISBN: 978-3-642-01212-9 (Print) 978-3-642-01213-6 (Online), Copyright 2009

2.   Rajan, G., Semenova, Y. Hatta, A. and Farrell, G.: "Advances In Measurement Systems"  Chapter 17, Published by Intech, April 2010, ISBN 978-953-307-061-2

3.   Mathew. J., Semenova, Y. and Farrell, G.: "Photonic Crystals - Introduction, Applications and Theory, Dr. Alessandro Massaro (Ed.), Published by InTech, 2012, ISBN: 978-953-51-0431-5,

4.   Rajan, G, Callaghan, D., Semenova, Y and Farrell, G,  "Optical Fiber Sensors and Interrogation Systems for Interaction Force Measurements in Minimally Invasive Surgical Devices", Smart Sensors for Industrial Applications, CRC Press (Taylor and Francis), Ed. Kris Iniewski, May 2013, ISBN 9781466568105

5.   Semenova, Y and Farrell, G.: Optical Fiber Sensors: Advanced Techniques and Applications, Chapter 2, Edited by Ginu Rajan, CRC Press, February 23rd, 2015, 575 Pages, ISBN 9781482228250