Conference Proceedings

P. Cheben, J.H. Schmid, M. Florjañczyk, P.J. Bock, D. X. Xu, S. Janz, A. Delâge, J. Lapointe, B. Lamontagne, E. Post, A. Densmore, J. Albert, T.J. Hall, B. Solheim, and A. Scott. "Recent progress in planar waveguide spectrometers", 2009 IPNRA Topical Meeting. Honolulu, Hawaii, July 12-17, 2009 (submitted).

S. A. Paredes, G. v. Bochmann, T. J. Hall, "Deploying Agile Photonic Networks over Reconfigurable Optical Networks", IEEE Symposium on Computers and Communications (ISCC'09), Sousse, Tunisia, July 5-8, 2009 (accepted).

S. Batti, M. Zghal, N. Boudriga, T. J. Hall, "An All-Optical Synchronizer for Switching Node Using Single-Sideband Modulator and Fiber Bragg Grating", IEEE Symposium on Computers and Communications (ISCC'09), Sousse, Tunisia, July 5-8, 2009 (accepted).

H. Teimoori, A. Assadihaghi, R. Radziwilovicz, S. A. Paredes, S. Bidnyk, K. Hinzer, T. J. Hall "Passive optical network extensions for the future Internet requirements" SPIE Photonics North 2009, Quebec City, Canada, May 24-27, 2009 (accepted).

A. Assadihaghi, H. Teimoori, A. Benhsaien, V. Tolstikhin, T. J. Hall, K. Hinzer, "Semiconductor optical amplifier designs for passive optical network extension", 21st International Conference on Indium Phosphide and Related Materials, Newport Beach, USA, May 13, 2009 (accepted).

Z. G. Lu, J. R. Liu, P. J. Poole, S. Raymond, P. J. Barrios, D. Poitras, G. Pakulski, X. P. Zhang, K. Hinzer, T. J. Hall, "Low noise InAs/InP quantum dot C-band monolithic multiwavelength lasers for WDM-PONs" Optical Fibre Communication conference & exposition (OFC) /National Fiber Optics Engineers Conference (NFOEC), San Diego, USA, 22-26 March, 2009.

P. J. Bock, P. Cheben, S. Janz, D. X. Xu, T. J. Hall, "Sub-wavelength grating gradient index mode transformers in high index contrast waveguides", Proc. SPIE, 7219, Photonics West, San Jose, USA, January 29, 2009.

R. Millett, K. Hinzer, T. Hall, M. Poirier, H. Schriemer, "Monolithically-integrated 4×4 SOA switch fabricated using quantum well intermixing", Proc. SPIE, 7219-19, Photonics West, San Jose, USA, January 29, 2009.

V. K. Narasimhan, C. E. Valdivia, N. Yastrebova, J. Fafard, V. Tatsiankou, F. Le Jean, T. J. Hall, K. Hinzer, "Performance analysis of III-V triple-junction concentrator solar cells under varying temperature and intensity", IEEE-Lasers & Electro-Optics Society Annual Meeting, Paper MK2, Newport Beach, California, Nov. 10, 2008.

R. Radziwilowicz, H. Teimoori, S. A. Paredes, V. Tolstikhin, K. Hinzer, T. Hall, "Power budget considerations in CWDM / TDM based passive optical networks", Proc. IEEE 1st Microsystems and Nanoelectronics Research Conference (MNRC 2008), Ottawa, Ontario, 15 October, 2008.

A. Assadihagi, H. Teimoori, R. Millet, A. Benhsaien, V. Tolstikhin, T. Hall, K. Hinzer, "O-band semiconductor optical amplifier design for CWDM applications" Proc. IEEE 1st Microsystems and Nanoelectronics Research Conference (MNRC 2008), Ottawa, Ontario, 15 October, 2008.

V. K. Narasimhan, N. Yastrebova, C. E. Valdivia, D. Masson, S. Farfard, A. Jaouad, R. Arès, V. Aimez, T. J. Hall, K. Hinzer, "Effect of parameter variations on the current-voltage behaviour of ALGaAs tunnel junction models" Proc. IEEE 1st Microsystems and Nanoelectronics Research Conference (MNRC 2008), Ottawa, Ontario, 15 October, 2008.

R. Millett, K. Hinzer, T. J. Hall, H. Schriemer, "Optimal cavity lengths and duty cycles for second-order laterally-coupled distributed feedback lasers" Proc. of IEEE, 1st Microsystems and Nanoelectronics Research Conference (MNRC 2008), Ottawa, ON, October 15, 2008. (best paper award)

R. Millett, A. Benhsaien, K. Hinzer, T. J. Hall, H. Schriemer, "Simulation of fourth-order laterally-coupled gratings" Proceedings of the COMSOL users conference 2008, Boston, USA, 9-11 October 2008. (8 pages).

R. Millett, H. Schriemer, T. J. Hall, K. Hinzer "Properties of Laterally-Coupled Distributed Feedback Lasers with Higher Order Gratings" 8th International Conference on the Numerical Simulation of Optoelectronic Devices , University of Nottingham, Nottingham, UK August 31-September 5, 2008, 2 pages.

C. E. Valdivia, N. Yastrebova, H. Schriemer, T. J. Hall, D. Masson, E. Desfonds, S. Fafard, K. Hinzer, "High-power-density concentrated solar cell systems for electricity generation on buildings" Canadian Solar Buildings Conference 2008, Fredericton, Canada, August 20-22, 2008.

P. Cheben, P. Bock, M. Florjanczyk, S. Janz, D. X. Xu, A. Delâ, J. Schmid, A. Scott, B. Solheim, A. Densmore, T. J. Hall, "Emerging planar waveguide devices for WDM and spectroscopy: Curved waveguide multiplexers and interferometer arrays" Proceedings of 2008 10th Anniversary International Conference on Transparent Optical Networks, ICTON, 1, art. 4598377, 2008, pp. 84-87

R. Millett, K. Hinzer, T. J. Hall, H. Schriemer, "Fabrication-tolerant higher order laterally coupled distributed feedback lasers" Photonics North, Montreal, QC, Proc. SPIE 7099, 70991P-1 to 70991P-12, June 2-4, 2008

C. E. Valdivia, E. Desfonds, D. Masson, S. Fafard, A. Carlson, J. Cook, T. J. Hall, K. Hinzer, "Optimization of antireflection coating design for multi-junction solar cells and concentrator systems" Photonics North, Montreal, QC, June 2-4, 2008, Proc. SPIE 7099, 2008, pp. 709915-1 to 109915-10.

C. E. Valdivia, N. Yastrebova, H. Schriemer, T. J. Hall, D. Masson, E. Desfonds, S. Fafard, K. Hinzer, "Challenges of antireflection coating design for multi-junction solar cells" Photonics North 2008, Montreal, PQ, June 2-4 2008

P. J. Bock, , R. Millet, H. Schriemer, T. J. Hall, S. Bidnyk, "Polarization compensators in silicon-on-insulator reflective interconnect" Photonics North 2008, Montreal PQ, June 2-4, 2008, Proc. SPIE, 7099, 2008 art. 70991W, pp. 1-6.

R. Millett, H. Awad, M. Poirier, V. I. Tolstikhin, T. J. Hall, K. Hinzer, H. Schriemer, "Design and Fabrication of a lambda/4 Phase-Shifted 1310 nm Laterally-Coupled Distributed-Feedback Laser" Conference on Lasers and Electro-Optics (CLEO 2008), San Jose, CA, May 4-9, 2008

X. Li, D. G. Sun, D. X. Wong, T. J. Hall, "Study and simulation for the sharp-corner of siliconon-insulator waveguides" Photonics Europe, Strasbourg, France, April 7-11, 2008, SPIE Proc. 6996, Paper-69960N

P. J. Bock, P. Cheben, D.-X Xu, S. Janz, T. J. Hall, "Demultiplexer with blazed waveguide sidewall grating and sub-wavelength grating structure" Photonics West, San Jose, Jan 22-22, 2008, Proc. SPIE, 6896, 2008, art. 68960H

Z. G. Lu, J. R. Liu, S. Raymond, P. J. Poole, P. J. Barrios, S. Haffouz, D. Poiutras, G. Pakulski, S. Taebi, Y. Song, X. P. Zhang, T. Hall, "Quantum-dot semiconductor waveguide devices" Asia-Pacific Optical Communications 2007 (APOC 2007), 1-5 November 2007, Wuhan, China,, Proc SPIE, 6782,2007, art 67821Y

Z. G. Lu, J. R. Liu, S. Taebi, Y. Song, X. P. Zhang, T. Hall, "Ultra-broadband wavelength conversion system by using photonic crystal fiber" Asia-Pacific Optical Communications 2007 (APOC 2007) 1-5 November 2007, Wuhan, China, Proc. SPIE, 6781, 2007, art. 67811L.

N. Yastrebova, K. Hinzer, D. Masson, S. Desgreniers, H. Schriemer, B. J. Riel, S. Fafard, T. J. Hall "III-V on Ge multijunction solar cells as an energy source for wireless sensor networks" SPIE Symposium 'Optics & Photonics 2007' Conference on Solar Energy + Applications, 26-30 August 2007, San Diego Convention Center in San Diego, CA, USA.

T. J Hall, R. Millett, R. Shankar, W. Wang, J. Couturier, S. A. Paredes, K. Hinzer, H. Schriemer, "Integration Modalities in Agile Networks" 13th Canadian Semiconductor Technology Conference in August 14-17, 2007, Montreal, Canada (invited).

S. A. Paredes, T. J. Hall, "A Load-Balanced Agile All-Photonic Network" The Eleventh IEEE Symposium on Computers and Communications (ISCC 2007); Aveiro, Portugal, 1-4 July 2007, art. 4381567, pp. 107-113.

W. Yang, S. A. Paredes, T. J. Hall, "A Study of Fast Flexible Bandwidth Assignment Methods and their Blocking Probabilities for Metro Agile All-optical Ring Networks" IEEE International Conference on Communications (ICC-2007), Glasgow, Scotland, 24-28 June 2007, art. 4289020, 2007, pp. 2418-2423.

J. L. Ramsey, J. Lapointe, T. J. Hall, "Comparison of simulated and fabricated computer generated holograms generated using phase optimised general error diffusion" OSA Topical Meeting on Digital Holography and Three-Dimensional Imaging (DH), Vancouver, BC, Canada, June 18-20, 2007.

P. J. Bock, P. Cheben, D. X. Xu, S. Janz, T. J. Hall, "Mirror cavity MMI coupled photonic wire resonator in SOI" Photonics North 2007, Ottawa, Canada, June 3-7, 2007, Proc. SPIE, 6796, 2008, art. 67963N.

R. Shankar, J. Couturier, K. Hinzer, T. J. Hall, "Scalability analysis in terms of crosstalk in NZDSF ring networks constructed with WSS based ROADM" Photonics North 2007, Ottawa, Canada, June 3-7, 2007 , Proc. of SPIE 6796, 2008, art 67962T.

W. Yang, S. A. Paredes, T. J. Hall, "The Impact of Stale Information on the Blocking Performance of Dynamic Routing, Wavelength and Timeslot Assignment Scheme for Bandwidth on Demand in Metro Agile All-Optical Networks" Photonics North 2007, Ottawa, Canada, June 3-7, 2007, Proc. SPIE, 6796, 2008, art. 67962U.

R. Millett, T. J. Hall, K. Hinzer, V. Tolstikhin, K. Pimenov, Y. Logvin, H. Schriemer, "Monolithically Integrated InGaAsP/InP 1×2 SOA Optical Switch" Photonics North 2007, Ottawa, Canada, June 3-7, 2007, Proc. SPIE, 6796, 2008, art. 67962Y.

H. Awad, A. Atieh, T. J. Hall, H. Farahneh, "Stability and linewidth of a multiwavelength semiconductor fibre ring laser" Photonics North 2007, Ottawa, Canada, June 3-7, 2007, Proc. SPIE, 6796, 2008, art. 679612.

Z. G. Lu, J. R. Liu, S. Raymond, P. J. Poole, P. J. Barrios, G. Pakulski, D. Poitras, F. G. Sun, S. Taebi, T. J. Hall, "Ultra-broadband quantum-dot semiconductor optical amplifier and its applications" Optical Fibre Communications Conference (OFC 2007), Anaheim, USA, March 25-29, art. 4348325

M.G. Khair, T. J. Hall, "Just Enough Routing and wavelength Assignment (RWA) scheme for metro-ring architecture" International Conference on Advanced Communications Technology, Phoenix Park, Korea, 12-14 February, 2007, ICACT, 2, art. 4195418, 2007, pp. 1397-1401.

X. Zhang, J.A. Gupta, P.J. Barrios, G. Pakulski, T.J. Hall, "Linewidth Enhancement Factor of a 1.3um GaInNAs/GaAs Laser by Optical Gain Analysis", LEOS Annual Meeting 2006, Montreal, Quebec, Canada, 29 October-2 November, 2006.

R. Millett, J. Wheeldon, T. J. Hall, H. Schriemer, "Towards modeling semiconductor heterostructures", Proceedings of the COMSOL Users Conference, Boston, USA, October 22-24 2006.

Z.G. Lu, P.J. Bock, J.R. Liu, F.G. Sun, M. Florjanczyk, and T. J. Hall, "Tunable multicasting all-optical wavelength conversion", Photonics North 2006, Quebec, QC, Canada, 5-8 June 2006.

H. Awad, A. Atieh, T. Hall, "Linewidth control in Semiconductor Optical Amplifier based fibre-ring lasers", Photonics North 2006, Quebec, 5-8 June 2006

J. L. Ramsey, W. Pijitrojana and T. J. Hall, "Novel Lens Design for Free-Space Optical Interconnects", International Optical Design Conference (IODC) , Vancouver, British Columbia, Canada, June 4-8, 2006

P. J. Bock, Z. G. Lu, J. Liu, P. Lin, M. Florjanczyk, T. J. Hall, "Multi-Channel Polarization-Insensitive Wavelength Converter Based on a Single SOA", OSA Topical Meeting on Optical Amplifiers and Their Applications (OAA), Whistler, British Columbia, Canada , June 25-28, 2006.

R. Radziwilowicz, M. G. Khair, S. A. Paredes, T. J. Hall, "Design issues for edge nodes in agile all-photonic networks", IEEE Workshop on High Performance Switching and Routing, Poznan, Poland, June 2006

M. Ott, J. Abt, U. Sharma, E. Keyes, T. J. Hall and H. Schriemer, "Quantitative capacitance measurements of MOS structures using a scanning probe microscope", IEEE Canadian Conference on Electrical and Computer Engineering, Ottawa, 7-10 May 2006.

R. S. and T. J. Hall, "Performance analysis of directional coupler switches in the presence of noise from the loss compensating amplifiers", IEEE Canadian Conference on Electrical and Computer Engineering, Ottawa, 7-10 May 2006.

A. Abdo, H. Awad, T. J. Hall, "OC-48 Configurable IP Traffic Generator with DWDM Capability", IEEE Canadian Conference on Electrical and Computer Engineering, Ottawa, 7-10 May 2006.

W. Zhang, T. J. Hall, M. Florjanczyk, "Optimized design of physical layer of 10Gbps ROADM based metro ring networks", IEEE Canadian Conference on Electrical and Computer Engineering, Ottawa, 7-10 May 2006.

W. Yang, T. Hall, "Distributed Dynamic Routing, Wavelength and Timeslot Assignment for Bandwidth on Demand in Agile All-Optical Networks", IEEE Canadian Conference on Electrical and Computer Engineering, Ottawa, 7-10 May 2006.

C. Peng, P. He, G. v. Bochmann, T. J. Hall, "Delay Performance Analyses for an Agile All-Photonic Star Network with PONs", IEEE Canadian Conference on Electrical and Computer Engineering, Ottawa, 7-10 May 2006.

C. Peng, G. v. Bochmann, T. J. Hall, "Quick Birkhoff-von Neumann Decomposition Algorithm for Agile All-Photonic Network Cores", IEEE International Conference on Communications (ICC 2006), Istanbul Turkey, 11-15 June 2006.

C. Peng, T. J. Hall, S. A. Paredes, G. v. Bochmann, "Constructing Service Matrices for Agile All-Optical Cores", IEEE Symposium on Computers and Communications (ISCC'06), 26-29 June , Pula-Cagliari, Sardinia, Italy.

C. Peng, P. He, G. v. Bochmann, T. J. Hall, "Delay Performance for Agile All-Photonic Networks", IFIP-Networking, Coimbra, Portugal,15-19 May 2006 in F. Boavida et al. (Eds.): Networking 2006, Lecture Notes in Computer Science 3976, 2006 pp. 368-378.

A. Abdo, T. J. Hall, "FPGA-Based Testbed for Packet Switch Performance Measurement", IEEE Instrumentation and Measurement Technology Conference, Sorento, Italy, 24-27 April 2006

J. Zheng, C. Peng, G. v. Bochmann, T. J. Hall, "Load Balancing in All-Optical Overlaid-Star TDM Networks", IEEE Sarnoff Conference, Priceton, NJ USA, 27-28 March 2006.

X. Zhang, J.A. Gupta, P.J. Barrios, G. Pakulski, X. Wu, A. Delâge and T. J. Hall, "Properties of a High T0 1.3µm GaInNAs/GaAs Quantum Well Laser", Photonics West 2006, San Jose, CA, Proc SPIE 6133, 613301, February 2006.

W. Zhang, M. Florjanczyk, T. J. Hall, "ROADM network scalability in the presence of inband crosstalk", 4th International Conference on Optical Communications and Networks, Bangkok, Thailand, 14-16 December 2005, pp. 365-368.

T. J Hall, S. A Paredes, G. v. Bochmann, "An Agile All-Photonic Network", 4th International Conference on Optical Communications and Networks, Bangkok, Thailand, 14-16 December 2005, pp. 365-368. (invited)

R. Shankar, T. J. Hall, "Core Switch Architectures for the Agile All-Photonic Network: Performance Evaluation with Crosstalk", IEEE Indicon 2005 Conference, Chennai, India, 11-13 Dec. 2005

H. P. Schriemer, J. Wheeldon, T. J. Hall, "Transport Properties of Nonlinear Photonic Crystals", Photonics North 2005, Toronto, Canada, 12-14 September 2005.

Z.G. Lu, P. Lin, F.G. Sun, P. Bock, S. Zhou, and X.P. Zhang, T. J. Hall, "Ultrabroad tunable wavelength conversion with uniform efficiency and signal-to-noise ratio", Photonics North 2005, Toronto, Canada, 12-14 September 2005.

S. Parveen, R. Radziwilowicz, S. A. Paredes, T. J. Hall, "Evaluation of Burst Aggregation Method in an Optical Burst Switched Agile All-Photonic Network", Photonics North 2005, Toronto, Canada, 12-14 September 2005.

J. L. Ramsey, S. Bidnyk T. J. Hall, "POGED: A fast alternative to Computer Generated holograms design by simulated annealing", Diffractive Optics 2005, Warsaw, Poland, 3-7 September 2005

S. Taebi, S. A. Paredes, T. J. Hall, "Load-balancing in Clos-like Packet Switches with Distributed Cross-Point Queues", IEEE Workshop on High Performance Switching and Routing (HPSR 2005), Hong Kong, P. R. China, 12-14 May 2005.

S. A. Paredes, T. J. Hall, "Flexible Bandwidth Provision in a Sectored Packet Switch with an Optical Core", The Tenth IEEE Symposium on Computers and Communications (ISCC 2005), La Manga del Mar Menor, Cartagena, Spain, June 27-30, 2005 (nominated for best paper in the simulation category & awarded an 'honourable mention').

A. Abdo, T. Hall, "A Re-programmable FPGA-Based Traffic Generator with Self Similar Distribution", International Conference on Up Coming Engineers (ICUE 2005), 20-21 May 2005, Windsor, Ontario, Canada.

R. Youmaran, P. Dicorato, R. Munger, T. Hall, A. Adler, "Automatic Detection of Features in Ultasound Images of the Eye", IEEE Instrumentation & Measurement Technology Conference (IMTC 2005), Ottawa, Canada, 17-19 May 2005.

A. Abdo, T. J. Hall, "Programmable Traffic Generator with Configurable Stochastic Distributions", Canadian Conference on Electrical and Computer Engineering (CCECE 2005), May 1-4, 2005 Saskatoon, Canada

A. Abdo, V. Bistein, S. A. Clark, P. G. Dicorato, D. T. Lu, S. A. Paredes, S. Taebi, T. J. Hall, "Adaptive packet switch with an optical core (demonstrator)", Photonics North 2004, Ottawa, September 2004, SPIE 5579, 2004, pp. 548-559.

E. Desfonds, K. Pimenov, T. J. Hall, "Extraction of orthogonal incident spectra using Mueller matrix approach", Symposium on Optical Fiber Measurements (SOFM 2004), Boulder, Colorado, September 28-30, 2004, pp. 115-118.

E. Desfonds, K. Pimenov, T J Hall, "Extraction of orthogonal incident state of polarisation spectra using a Mueller matrix approach", Symposium on Optical Fibre Measurement SOFM 2004, Boulder, Colorado, 28-30 September 2004.

S. Taebi, S. A. Paredes, T. Hall, "Performance of a Packet Switch with an Optical Core under Self-similar Traffic", IEEE Canadian Conference on Electrical and Computer Engineering, Niagara Falls, May 2004, pp. 747-750.

G.v. Bochmann, M. J. Coates, T. J. Hall, L. Mason, R. Vickers O. Yang, "The Agile All-Photonic Network: An Architectural Outline", Queen's 22nd Biennial Symposium on Communications, May 2004

S. A. Paredes, T. J. Hall, "Bandwidth Allocation and Scheduling in a Packet Switch with an Optical Core", Proceedings of the 4th EPSRC Conference on Postgraduate Research in Electronics, Photonics, Communications and Software, PREP 2002. University of Nottingham, East Midlands, United Kingdom. 17-19 April 2002.

N. Collings, W. A. Crossland, T. D. Wilkinson, R. W. A. Scarr, T. J.. Hall, "Packet switching network based on optical fan-in" in Roger A. Lessard and Tigran Galstian (Eds.), Optics in Computing 2000, SPIE 4089, 2000, pp. 550-554.

T. J. Hall, "Vivaldi: variations on a theme of optical crossbars", NATO-Mediteranean Dialogoue Advanced Research Workshop, Kiryat Anavim, Isreal, 19-21 Oct. 1998.

V. A. Krudryashov, V. V. Krasnov, S. E. Huq, P. D. Prewett, T. J. Hall, "Process latitude enhancement in low energy electron beam lithography", Nano and Micro-electronic Engineering, Glasgow, Aug. 1996.

M. A. Hands, W. Peiffer, H. Thienpont, A. Kirk, T. J. Hall, "A case study of for the implementation of a stochastic bit stream neuron; the choice between electrical and optical interconnects ", IEEE Conference on Massively Parallel Processing with Optical Interconnections, San-Antonio, Texas, 23-24 Oct. 1995.

V. A. Krudryashov, V. V. Krasnov, S. E. Huq, P. D. Prewett, T. J. Hall, "Electron beam lithography using chemically-amplified resist: resolution and profile control", Micro-electronic Engineering, Edinburgh, Aug. 1995.

T. J. Hall, W. Peiffer, M. Hands, H. Thienpont, W. A. Crossland, J. S. Shawe-Taylor, M. van Daalen, "Considerations of Optical and Opto-electronic Hardware for Implementation of Stochastic Bit-stream Neural Nets", Optical Computing 1995, Salt Lake City, USA, March, 1995.

L. Boutsikaris, S. Mailis, N. Madamopoulos, S. Pissadakis, A. Petrakis, N. A. Vainos, P. Dainty, P. J. M. Parmiter, T. J. Hall, "Computer Generated Holographic Diffractive Structures Fabricated by Direct Excimer Laser Microetching", Laser-Induced Thin-Film Processing, SPIE Photonics West `95 conference, San Jose, California, 8-10 February 1995, Proc SPIE 2403, p.448-.

W. A. Crossland, T. J. Hall, J. S. Shawe-Taylor, M. van Daalen, "Optical Implementations of a Stochastic Neural System", Optical Computing 1994, Herriot-Watt University, Edinburgh, 22-25 August, 1994.

X. Wang, T. J. Hall, J. Wang, "Optical associative memory with bipolar edge-enhanced learning", Optical Computing 1994, Herriot-Watt University, Edinburgh, 22-25 August, 1994.

D. Pignon, T. J. Hall, L. Q. Xu, K. B. Russ, S. R. Cherry, N. C. Roberts, P. Prewett, P. Hallowell, "An Optoelectronic Neural Network With On-Line Learning", Optical Computing 1994, Herriot-Watt University, Edinburgh, 22-25 August, 1994.

L-Q. Xu, T. J. Hall, "From coarse to fine : A novel way to train neural networks", in Proc. of ICANN'94, 4th Annual Conference of ENNS, Naples, Italy, May 1994.

L-Q. Xu, T. J. Hall, "Smoothing of cost function leads to faster convergence of neural network training", Proc. SPIE 2243 ,'Applications of Artificial Neural Networks V' a symposium of SPIE's OE/ASROSPACE SENSING, Orlando'94, Apr. 1994.

L-Q. Xu, T. J. Hall, "Stochastic approximation and function smoothing for neural network learning", Proc. of 2nd Intl. Conf. on Fuzzy Theory & Technology, Durham, NC 27705, USA, Oct. 1993, expanded and revised version (top ten papers)} in Advances in Fuzzy Theory and Technology, Volume II}, (ed. by Paul P. Wang), Nov. 1994, Elsevier Science Publishing CO, Inc, New York.

N. A. Vainos, S. Mailis, P. Pissadakis, P. Dainty, T. J. Hall, "Excimer laser micromachining materials reference library and microetching of holographic optical interconnect structures", 4th IEE International Conference on Holographic Systems Components and Applications, Neuchatel, Switzerland, 13-15 Sept. 1993.

A. G. Kirk, M. Ishikawa, S. Jamieson, T. J. Hall, "The design and fabrication of quasi-periodic computer generated holograms", 4th IEE International Conference on Holographic Systems Components and Applications, Neuchatel, Switzerland, 13-15 Sept. 1993, IEE conf. publ. 379, 1993, pp. 91-95.

T. J. Hall, L. Q. Xu, S. Jamieson, P. Dainty, K. B. Russ, S. R. Cherry, N. C. Roberts, "Free-space optical networks using diffractive and refractive micro-optics", 4th IEE International Conference on Holographic Systems Components and Applications, Neuchatel, Switzerland, 13-15 Sept. 1993, IEE conf. publ. 379, 1993, pp. 35-40.

T. J. Hall, "Parallel Optoelectronic Systems for Computing and Communications", Conference on Optical Information Processing, St Petersburg , 2-6 Aug. 1993. Proc. SPIE. (Invited Plenary Paper).

H. White, C. Stace, M. J. Birch, A. C. Walker, M. R. Taghizadeh, T. J. Hall, W. A. Crossland, "Single Stage Optical Crossbars based on the Matrix-Matrix Principle", Eleventh Annual Conference on European Fibre Optic Communications and Networks, The Hague, June 30 - July 2, 1993

A. G. Kirk, S. Jamieson, H. Imam, T. J. Hall, "Experimental Implementation of a 25 channel Free-space Optical Switching architecture", OSA Optical Computing Topical Meeting, Palm Springs, 1993.

B. Kress, T. J. Hall, P. Meyrueis, "Computer generated diffractive interferorgrams: application to 3D display and optical interconnections", Proceedings of the conference OPTO 92, Paris France, April 1992.

G. D. Kendall, T. J. Hall, "Performing fundamental image processing operations using quantised neural networks", in 'Image processing and its applications", IEE conf. publ. 354, 1992, pp. 226-229.

G. D. Kendall, T. J. Hall, "Ockham's nets: self-adaptive minimal neural networks", in I Aleksander, J. G. Taylor, editors,'Artificial neural networks II', volume 1, North-Holland, 1992, pp. 183-186.

A. G. Kirk, A. K. Powell, T. J. Hall, "A new approach to the design of quantised computer generated holograms", European Workshop on Optical Interconnection Technology, Edinburgh, 16-17 December 1991

A. G. Kirk, H. Imam, T. J. Hall, "An efficient holographic interconnection in 0.01 cm3", Proceedings of 3rd IEE International Conference on Holographic Systems, Components and Applications, 16-18 September 1991, Edinburgh, IEE conf. publ. 342, 1991, pp. 161-165.

K. D. Bird, D. Daly, T. J. Hall, "Computer generated microlens arrays and their application to optimal free space switching networks", Proceedings of 3rd IEE International Conference on Holographic Systems, Components and Applications, 16-18 September 1991, Edinburgh, IEE conf. publ. 342, 1991, pp. 57-61.

H. Imam, A. G. Kirk, K. D. Bird, T. J. Hall, "Design of multiphase level holograms", Proceedings of 3rd IEE International Conference on Holographic Systems, Components and Applications, 16-18 September 1991, Edinburgh. IEE conf. publ. 342, 1991, pp. 166-170

A. G. Kirk, T. J. Hall, W. A. Crossland, "A compact and scalable free-space optical crossbar", Proceedings of 3rd IEE International Conference on Holographic Systems, Components and Applications, 16-18 September 1991, Edinburgh, IEE conf. publ. 342, 1991, pp. 137-141.

K. K. Virdee, A. K. Powell, T. J. Hall, "Computer generated holographic labeling", Proceedings of 3rd IEE International Conference on Holographic Systems, Components an Applications', 16-18 September 1991, Edinburgh, IEE conf. publ. 342, 1991, pp. 217-221.

D. A. Fish, A. K. Powell, T. J. Hall, "Critical slowing down in four-wave mixing", Proceedings of 3rd IEE International Conference on Holographic Systems, Components and Applications, 16-18 September 1991, Edinburgh, pp. 73, IEE conf. publ. 342, 1991, pp. 73-77.

J. Bönisch, A. G. Kirk, S. Rehman, T. J. Hall, R. .E Burge, "The fabrication of high resolution diffractive elements by electron beam lithography", Proceedings of 3rd IEE International Conference on Holographic Systems, Components and Applications, 16-18 September 1991, Edinburgh, IEE conf. publ. 342, 1991, pp. 200-204.

R. G. Hoptroff, M. J. Bramson, T. J. Hall, "Forcasting economic turning points with neural nets", Proc. Int. Joint Conference on Neural Networks, Seattle, July 1991.

K. Bird, T. J. Hall, "The computer controlled generation of microlens arrays", IOP Short Meetings No 30 (Microlens Arrays), May 1991, pp. 35-40.

A. G. Kirk, H. Imam, K. Bird, T. J. Hall, "The design and fabrication of computer generated holographic fanout elements for a matrix-matrix interconnection scheme", Proc. SPIE 1574, 1991, pp. 121-132

A. G. Kirk, G. D. Kendall, H. Imam, T. J. Hall, "An optical neural network with reconfigurable holographic interconnection", Proc. SPIE 1402, 1991.

P. S. Cawte, S. C. Robertson, J. Bönisch, A. G. Kirk, T. J. Hall, R. E. Burge, "Holographic Optical Elements and Their Application to High Density Backplanes", Into. Conf. on High Performance Electronic Packaging, Welding Inst., London, 29-30 Nov., 1990.

A. J. Bostel, P. W. McOwan, T. J. Hall, "Optical Distributed Inference Network (ODIN)", Presented at SPIE's OE/Boston'90 Applications in Optical Science and Engineering, Symposium on Advances in Intelligent Systems, Conference 1385: Optics, Illumination, and Image Sensing for Machine Vision, Boston, Massachusetts USA, 8-9 Nov. 1990.

R. G. Hoptroff, T. J. Hall, R. E. Burge, "Experiments with a neural controller", Into. Joint IEEE and INNS Conference on Neural Networks, San Diego, 17-21 June 1990, 2, pp. 735-740.

G. C. Baister, T. J. Hall, "CGH's designed using a simulated procedure on the complex zeros of the far field pattern", EC03 - The International Congress on Optical Science and Engineering, 12-15 March 1990, The Hague, Netherlands.

R. G. Hoptroff, T. J. Hall, "Diffusion learning for the multilayer perceptron", Proc IEE Conf Artificial Neural Systems, London, 17-19 October 1989, pp. 390-394.

A. J. Bostel, C. Stace, G. Swinburne, T. J. Hall, "Optical computing based on neural systems", Proc. Int. Symp. Optics in Computing, Toulouse, 17-18 October 1989, pp. 187-194.

G. Baister, T. J. Hall, "Design of e-beam constructed optical interconnects", Proc. Int. Symp. Optics in Computing, Toulouse, 17-18 October 1989, pp. 105-112.

R. G. Hoptroff, P. C. McOwan, T. J. Hall, W. J. Hossack, R. E. Burge, "Two optimisation approaches to COHOE design", Proc. Int. Symp. Optics in Computing, Toulouse, 17-18 October 1989, pp. 47-54.

G. C. Baister, T. J. Hall, "Determining phase functions using annealing techniques", IERE Int. Conf. on Holographic Systems, Components and Applications, Bath, September 1989, pp. 69-75.

G. A. Swinburne, T. J. Hall, A. K. Powell, "Large modulation effects in photorefractive crystals", IERE Int. Conf. on Holographic Systems, Components and Applications, Bath, September 1989, pp. 116-122.

A. K. Powell, P. D. Foote, T. J. Hall and R. E. Burge, "Vector wave coupling in photorefractive barium titanate", IERE Proc. Int. Conf. on Holographic Systems, Components and Applications, Cambridge, 10-12 September 1987, pp. 185-190.

M. W. McCall, T. J. Hall, "Polarisation effects in high gain photorefractive two and four wave mixing", IERE Proc. Int. Conf. on Holographic Systems, Components and Applications, Cambridge, 10-12 September 1987, pp. 175-184.

C. Stace, K. Walsh, P. D. Foote, T. J. Hall, R. E. Burge, "Photorefractive amplifiers: their application to iterative processes", IERE Proc. Int. Conf. on Holographic Systems, Components and Applications, Cambridge, 10-12 September 1987, pp. 169-174.

P. D. Foote, T. J. Hall, A. K. Powell, "Simulated photorefractive scattering in barium titanate", Int. Symp. on Technologies for Opto-Electronics, 16-20 November 1987, Proc SPIE, 864, pp. 90-97.

K. Walsh, P. D. Foote, T. J. Hall, "Optimisation of two and four wave mixing processes in photorefractive materials", 4th Int. Symp. On Optical and Optoelectronic Applied Science and Engineering, The Hague, Proc SPIE, 812, (1987) pp. 46-53.

L. M. Connors, P. D. Foote, T. J. Hall, R. Jaura, L. C. Laycock, M. W. McCall, C. R. Petts, "Fidelity of real-time correlation by four-wave mixing", ECOOSA, Amsterdam, Proc SPIE 492, 1984, pp. 361-369.

L. M. Connors, M. A. Fiddy, T. J. Hall, "Optical processing using degenerate four-wave mixing", Proc. 5th UK National Quantum Electronics Conf., 'Quantum Electronics and Electro-optics', Ed. P L Knight, (1983), pp. 397-400.

B. Culshaw, M. A. Fiddy, T. J. Hall, S. A. Kingsley, "Detection of phase modulated coherent light propagating in multimode fibres".

R. Jaura, T. J. Hall, "The photorefractive effect - a simplified model", ECOOSA Amsterdam, Proc SPIE , 492, 1984, pp. 402-.

L. M. Connors, P. D. Foote, T. J. Hall, R. Jaura, L. C. Laycock, M. W. McCall, C. R. Petts, "Fidelity of real-time correlation by four-wave mixing", ECOOSA, Amsterdam, Proc SPIE 492, 1984, pp. 361-369.

B. Cochrane, K. P. Dawson, M. A. Fiddy, T. J. Hall, "Sampling and interpolation in two dimensions", Proc. Int. Conf. Electronic Image Processing, York, July 1982, IEE Conf Pub, 214, 1982, pp. 231-235.

R. E. Burge, M. A. Fiddy, T. J. Hall, G. Ross, "Optical phase conjugation for the study of the analytic properties of optical fields", Optics in four dimensions, Ensenada (1980), AIP Conf Proc No.65, Eds M A Machado, L M Norducci, pp. 643-651.

B. Culshaw, M. A. Fiddy, T. J. Hall, S. A. Kingsley, "Fibre optic acoustic sensors", Proc Ultrasonics International, Graz (May 1979), IPC Science and Technology Press (1979), pp. 267-272.

S. A. Kingsley, B. Culshaw, D. E. N. Davies, T. J. Hall, "Fibre-optic microphones and hydrophones - a comparison with conventional devices", Int. Optical Computing Conf., London, September 1978, IEEE Conf. Proc., pp. 67-74.