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Turitsyna, Elena G.; Gbadebo, Adenowo and Williams, John A.R. (2015). A technique for mitigating the effect of the writing-beam profile on fibre Bragg grating fabrication. Optics Express, 23 (10),

Gbadebo, Adenowo A.; Turitsyna, Elena G. and Williams, John A.R. (2015). Experimental comparison of differing design approaches for multichannel fibre Bragg gratings. IN: The European Conference on Lasers and Electro-Optics 2015. Optical Society of America.

Gbadebo, Adenowo; Turitsyna, Elena and Williams, John (2014). Evaluation of Impact of Beam Size on Fibre Bragg Grating Fabrication. IN: Advanced photonics. Optical Society of America.

Gbadebo, Adenowo; Turitsyna, Elena and Williams, John (2014). Evaluation of impact of beam size on fibre Bragg grating fabrication. IN: Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides 2014. Optical Society of America.

Gbadebo, Adenowo; Turitsyna, Elena; Shu, Xuewen; Williams, John and Turitsyn, Sergei (2013). Fibre grating filters for suppression of near infrared OH emission lines. IN: 39th European Conference and exhibition on Optical Communication (ECOC 2013). IET conference publications . Red Hook, NY (US): IET.

Turchin, Alexander; Dubov, Mykhaylo and Williams, John A.R. (2011). 3D Reconstruction of the complex dielectric function of glass during femtosecond laser micro-fabrication. Optical and quantum electronics, 42 (14-15), pp. 873-886.

Turchin, Alexander; Dubov, Mykhaylo and Williams, John A.R. (2011). 3D reconstruction of the complex dielectric function of glass during femtosecond laser micro-fabrication. Optical and Quantum Electronics, 42 (14-15), pp. 873-886.

Turchin, Alexander; Dubov, Mykhaylo and Williams, John A.R. (2010). 3D reconstruction of complex dielectric function of the glass during the femtosecond micro-fabrication. IN: Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides 2010. Karlsruhe, 2010-06-21 - 2010-06-24.

Turchin, Alexander; Dubov, Mykhaylo and Williams, John A.R. (2010). 3D reconstruction of complex dielectric function of the glass during the femtosecond micro-fabrication. IN: Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides 2010. Karlsruhe, 2010-06-21 - 2010-06-24.

Turchin, A.V.; Dubov, Mykhaylo and Williams, John A.R. (2010). Single-shot 3D reconstruction of complex dielectric function of the glass during the femtosecond laser micro-fabrication. IN: 18th International Workshop on Optical Waveguide Theory and Numerical Modelling. Cambridge, 2010-04-09 - 2010-04-10.

Turchin, A.V.; Dubov, Mykhaylo and Williams, John A.R. (2010). Single-shot 3D reconstruction of complex dielectric function of the glass during the femtosecond laser micro-fabrication. IN: 18th International Workshop on Optical Waveguide Theory and Numerical Modelling. 2010-04-09 - 2010-04-10.

Turchin, Alexander V.; Dubov, Mykhaylo and Williams, John A. (2010). 3D reconstruction of complex dielectric function of the glass during the femtosecond micro-fabrication. IN: Advanced photonics and renewable energy. OSA technical digest . Optical Society of America.

Dubov, Mykhaylo; Natarajan, S.R.; Williams, John A.R. and Bennion, Ian (2008). Mask-less lithography for fabrication of optical waveguides. IN: Commercial and biomedical applications of ultrafast lasers VIII. Neev, Joseph; Nolte, Stefan; Heisterkamp, Alexander and Schaffer, Christopher B. (eds) SPIE proceedings, 6881 . SPIE.

Leng, J.S.; Lai, Yicheng; Zhang, Wei and Williams, John A.R. (2006). A new method for microwave generation and data transmission using DFB laser based on fiber Bragg gratings. IEEE photonics technology letters, 18 (16), pp. 1729-1731.

Zhang, Wei; Bennion, Ian and Williams, John A.R. (2005). Chromatic dispersion effect in a microwave photonic filter using superstructured fiber Bragg grating and dispersive fiber. Optics express, 13 (17), pp. 6429-6437.

Won, P.C. and Williams, John A.R. (2004). Third order intermodulation products generated on transmission through a nonlinear radio-on-fibre link. Electronics letters, 40 (20), pp. 1290-1291.

Won, P.C. and Williams, John A.R. (2004). Third-order intermodulation products generated on transmission through nonlinear radio-on-fibre link. Electronics letters, 40 (20), pp. 1290-1291.

Leng, J.S.; Zhang, Wei and Williams, John A.R. (2004). Optimization of superstructured fiber Bragg gratings for microwave photonic filters response. IEEE photonics technology letters, 16 (7), pp. 1736-1738.

Won, Pei C.; Leng, Jinsong; Lai, Yicheng and Williams, John A.R. (2004). Distributed temperature sensing using a chirped fibre Bragg grating. Measurement science and technology, 15 (8), pp. 1501-1505.

Won, Pei C.; Leng, Jinsong; Lai, Yicheng and Williams, John A.R. (2004). Distributed temperature sensing using a chirped fibre Bragg grating. Measurement Science and Technology, 15 (8), pp. 1501-1505.

Lai, Yicheng; Zhang, Wei and Williams, John A.R. (2004). Bidirectional nonreciprocal wavelength-interleaving coherent fiber transversal filter. IEEE photonics technology letters, 16 (2), pp. 500-502.

Lai, Yicheng; Zhang, Wei; Williams, John A.R. and Bennion, Ian (2004). Direct real-time cavity mode assessment and optimization technique for fiber lasers. IEEE photonics technology letters, 16 (2), pp. 413-415.

Lai, Yicheng; Zhang, Wei; Zhang, Lin; Williams, John A.R. and Bennion, Ian (2003). Optically tunable fiber grating transmission filters. Optics Letters, 28 (24), pp. 2446-2448.

Lai, Yicheng; Zhang, W.; Williams, J.A.R. and Bennion, I. (2003). A nonreciprocal wavelength-interleaving bidirectional coherent fiber transversal filter. IN: The 5th Pacific Rim Conference on Lasers and Electro-Optics, 2003. CLEO/Pacific Rim 2003. IEEE.

Lai, Yicheng; Zhang, Wei; Zhang, Lin; Williams, John A.R. and Bennion, Ian (2003). Optically tunable fiber grating transmission filters. Optics letters, 28 (24), pp. 2446-2448.

Lai, Yicheng; Zhang, Wei and Williams, John A.R. (2003). Direct cavity assessment and mode optimisation technique for DFB fibre laser. Electronics letters, 39 (21), pp. 1518-1519.

Lai, Yicheng; Zhang, Wei and Williams, John A.R. (2003). Direct cavity assessment and mode optimisation technique for DFB fibre laser. Electronics letters, 39 (21), pp. 1518-1519.

Leng, J.S.; Zhang, W. and Williams, J.A.R. (2003). High performance microwave photonic response of superstructured fibre Bragg grating with designed apodisation function. IN: The 16th Annual Meeting of the IEEE Lasers and Electro-Optics Society, 2003. LEOS 2003. Annual meeting IEEE Lasers and Electro-Optics Society, 2 . IEEE.

Michaille, L.; McCall, M.W.; Lai, Y.C. and Williams, J.A.R. (2003). Analysis of single and multiple, non-permanent, tunable, birefringent spectral holes in a fibre-Bragg grating stop-band produced via uniaxial pressure. Optics Communications, 222 (1-6), pp. 1-8.

Lai, Y.C.; Zhang, W. and Williams, J.A.R. (2003). Optical generation of millimetre wave signal using a co-located dual distributed feedback fibre laser. IN: 1st International Conference on Optical Communications and Networks (ICOCN 2002). Omidyar, Cambyse Guy; Shiraz, H.G. and Zhong, W.D. (eds) World Scientific.

Lai, Y.C.; Zhang, W.; Williams, J.A.R. and Bennion, I. (2003). Optical multichannel flattop filter with complementary outputs for DWDM applications. IN: 1st international conference on Optical Communications and Networks. Omidyar, Cambyse Guy; Shiraz, H.G. and Zhong, W.D. (eds) World Scientific.

Lai, Y.; Zhang, W.; Williams, J.A.R. and Bennion, I. (2003). An optical millimeter wave fiber laser. IN: Optical Fiber Communications Conference, 2003. Sawchuk, A.A. (ed.) Techincal digest, 1 . IEEE.

Lai, Y.; Zhang, W.; Zhang, L.; Williams, J.A.R. and Bennion, I. (2003). An optical pump controlled tunable phase-shifted fiber grating transmission filter. IN: Optical Fiber Communications Conference, 2003. Sawchuk, A.A. (ed.) Techincal digest, 1 . IEEE.

Yicheng, Lai; Zhang, Wei and Williams, John A.R. (2002). A novel all-fiber bipolar transversal filter with complementary outputs. IN: International Topical Meeting on Microwave Photonics 2002. IEEE.

Gwandu, B.A.L.; Zhang, W.; Williams, J.A.R.; Zhang, L. and Bennion, I. (2002). Microwave photonic filtering using Gaussian-profiled superstructured fibre Bragg grating and dispersive fibre. Electronics letters, 38 (22), pp. 1328-1330.

Liu, Y.; Williams, J.A.R.; Zhang, L. and Bennion, I. (2002). Abnormal spectral evolution of fiber Bragg gratings in hydrogenated fibers. Optics Letters, 27 (8), pp. 586-588.

Gwandu, B.A.L.; Zhang, Wei and Williams, John A.R. (2002). Implementation of microwave photonic filtering using a profiled superstructured fiber Bragg grating and dispersive fiber. IN: International Topical Meeting on Microwave Photonics 2002. Techincal digest . IEEE.

Lai, Yicheng; Zhang, W.; Williams, J.A.R. and Bennion, I. (2002). A novel dual complementary output optical fiber transversal filter for DWDM applications. IN: 2002 IEEE/ILEOS annual meeting conference proceedings. IEEE Lasers and Electro-Optics Society. Annual Meeting, 2 . IEEE.

Lai, Yicheng; Zhang, W.; Williams, J.A.R.; Sugden, K. and Bennion, I. (2002). Accurate differential group delay measurement of narrowband fiber devices with immunity to environmental perturbation. IN: 2002 IEEE/ILEOS annual meeting conference proceedings. IEEE Lasers and Electro-Optics Society. Annual Meeting, 2 . IEEE.

Liu, Y.; Zhang, L.; Williams, J.A.R. and Bennion, I. (2001). Bend sensing by measuring the resonance splitting of long-period fiber gratings. Optics Communications, 193 (1-6), pp. 69-72.

Yu, Guoyu; Zhang, Wei and Williams, John A.R. (2000). Evaluation of RF power degradation in microwave photonic systems employing uniform period fibre Bragg gratings. Optics communications, 177 (1-6), pp. 271-275.

Iocco, A.; Limberger, H G; Salathe, R P; Everall, L A; Chisholm, K E; Williams, J A R and Bennion, I (1999). Bragg Grating fast Tunable Filter For Wavelength Division Multiplexing. Journal of lightwave technology, 17 (7), pp. 1217-1221.

Iocco, A.; Limberger, H G; Salathe, R P; Everall, L A; Chisholm, K E; Williams, J A R and Bennion, I (1999). Bragg grating fast tunable filter for wavelength division multiplexing. Journal of Lightwave Technology, 17 (7), pp. 1217-1221.

Chisholm, K E; Everall, L A; Williams, J A R; Bennion, I; Liu, X; Rue, R M De La and Aitchison, J S (1998). Apodised fibre Bragg grating design subject to length constraints. IN: 24th European Conference on Optical Communication, 1998. IEEE.

Chisholm, K E; Everall, L A; Williams, J.A.R.; Bennion, I.; Liu, X; Rue, R M De La and Aitchison, J S (1998). Apodised fibre Bragg grating design subject to length constraints. IN: 24th European Conference on Optical Communication, 1998. IEEE.

Liu, Xianglian; Aitchison, J.S.; Thoms, S.; De La Rue, R.M.; Williams, John A.R.; Everall, Lorna A. and Bennion, Ian (1998). Characteristics of linearly chirped and functionally apodised phase masks and reflection spectra of UV written fibre gratings. IN: Conference on Lasers and Electro-Optics Europe, 1998. 1998 CLEO/Europe. Glasgow: IEEE.

Liu, X.; Thoms, S.; Aitchison, J.S.; De La Rue, R.M.; Williams, John A.R.; Everall, Lorna A. and Bennion, Ian (1998). Surface roughness reduction and diffraction efficiency optimisation for e-beam written phase masks. Microelectronic engineering, 41-42 , pp. 199-202.

Liu, X.; Thoms, S.; Aitchison, J.S.; De La Rue, R.M.; Williams, John A.R.; Everall, Lorna A. and Bennion, Ian (1998). Surface roughness reduction and diffraction efficiency optimisation for e-beam written phase masks. Microelectronic Engineering, 41-42 , pp. 199-202.

Whitbread, N.D.; Williams, John A.R.; Roberts, J.S.; Bennion, Ian and Robson, P.N. (1994). Optical autocorrelator that uses a surface-emitting second-harmonic generator on (211)B GaAs. Optics letters, 19 (24), pp. 2089-2091.

Williams, Julie M. (1994). Aspects of signal transduction in the gastrointestinal tract. PHD thesis, Aston University.

Williams, J.J.R. (1974). Unsteady flow in open channel networks. PHD thesis, Aston University.

Cowie, Barbara; Allsop, Thomas D.P.; Williams, John; Webb, David; Bennion, Ian and Fisher, Matthew An optical fiber Bragg grating tactile sensor. IN: Optical sensing technology and applications. Baldini, Francesco; Homola, Jiri; Lieberman, Robert A. and Miler, Miroslav (eds) SPIE proceedings . Czech Republic: SPIE.

Dubov, Mykhaylo; Natarajan, S.R.; Williams, John A.R. and Bennion, Ian Mask-less lithography for fabrication of optical waveguides. IN: Commercial and biomedical applications of ultrafast lasers VIII. Neev, Joseph; Nolte, Stefan; Heisterkamp, Alexander and Schaffer, Christopher B. (eds) SPIE proceedings, 6881 . SPIE.

Gbadebo, Adenowo; Turitsyna, Elena and Williams, John Experimental demonstration of real-time correction of writing errors during fibre-Bragg grating fabrication. IN: Photonics and Fiber Technology 2016 (ACOFT, BGPP, NP). OSA Technical Digest . Optical Society of America.

Lai, Y.; Zhang, W. and Williams, J.A.R. Microwave photonic response based on nonlinear response of chirped fibre grating. IN: Applied Optics and Opto-Electronics Conference. 2002-09-02 - 2002-09-05.

Lai, Y.; Zhang, W.; Williams, J.A.R. and Bennion, I. Application of superimposed grating structures for optimisation of fibre laser performance. IN: Proceedings : Institute of Physics Meeting on In-Fibre Bragg Gratings and Special Fibres-Photonex Europe 2003. Institute of Physics.

Lai, Yicheng; Zhang, W. and Williams, J.A.R. A novel all fiber microwave transversal filter with complementary outputs. IN: 2002 International Topical Meeting on Microwave Photonics, MWP 2002 - Technical Digest. Techincal digest . IEEE.

Lai, Yicheng; Zhang, W.; Williams, J.A.R. and Bennion, I. Optimization of DFB fiber laser performance based on a superimposed cavities structure. IN: The 5th Pacific Rim Conference on Lasers and Electro-Optics, 2003. CLEO/Pacific Rim 2003. IEEE.

Lai, Yicheng; Zhang, Wei and Williams, John A.R. Bidirectional nonreciprocal wavelength-interleaving coherent fiber transversal filter. IEEE Photonics Technology Letters, 16 (2), pp. 500-502.

Lai, Yicheng; Zhang, Wei; Williams, John A.R. and Bennion, Ian Direct real-time cavity mode assessment and optimization technique for fiber lasers. IEEE Photonics Technology Letters, 16 (2), pp. 413-415.

Leng, J.S.; Lai, Yicheng; Zhang, Wei and Williams, John A.R. A new method for microwave generation and data transmission using DFB laser based on fiber bragg gratings. IEEE Photonics Technology Letters, 18 (16), pp. 1729-1731.

Leng, J.S.; Zhang, Wei and Williams, John A.R. Optimization of superstructured fiber bragg gratings for microwave photonic filters response. IEEE Photonics Technology Letters, 16 (7), pp. 1736-1738.

Liu, Xianglian; Aitchison, J.S.; Thoms, S.; De La Rue, R.M.; Williams, John A.R.; Everall, Lorna A. and Bennion, Ian Characteristics of linearly chirped and functionally apodised phase masks and reflection spectra of UV written fibre gratings. IN: Conference on Lasers and Electro-Optics Europe, 1998. 1998 CLEO/Europe. Glasgow: IEEE.

Turchin, A.V.; Dubov, Mykhaylo and Williams, John A.R. In-situ measurement and the reconstruction in 3D of femtosecond inscription induced complex permittivity modification in glass. Optics Letters, 35 (17), pp. 2952-2954.

Whitbread, N.D.; Williams, John A.R.; Roberts, J.S.; Bennion, Ian and Robson, P.N. Optical autocorrelator that uses a surface-emitting second-harmonic generator on (211)B GaAs. Optics Letters, 19 (24), pp. 2089-2091.

Won, P.C.; Leng, J.; Lai, Y. and Williams, J A R Distributed temperature sensing based on a chirped fibre Bragg grating. IN: Proceedings : Institute of Physics Meeting on In-Fibre Bragg Gratings and Special Fibres-Photonex Europe 2003. Institute of Physics.

Won, P.C.; Zhang, W. and Williams, J.A.R. Self-phase modulation dependent dispersion mitigation in high power SSB and DSB + dispersion compensated modulated radio-over-fiber links. IN: 2006 IEEE MTT-S. Sowers, Jim and Thorburn, Michael (eds) IEEE - MTTS International Microwave Symposium. Digest . IEEE.

Yu, Guoyu; Zhang, Wei and Williams, John A.R. Evaluation of RF power degradation in microwave photonic systems employing uniform period fibre Bragg gratings. Optics Communications, 177 (1-6), pp. 271-275.

Zhang, Wei; Bennion, Ian and Williams, John A.R. Chromatic dispersion effect in a microwave photonic filter using superstructured fiber Bragg grating and dispersive fiber. Optics Express, 13 (17), pp. 6429-6437.