Publications by Adrian Wonfor

"First demonstration of a WDM-PON system using novel full C-band tunable SFP+ transceiver modules", J Zhu, S Pachnicke, M Lawin, S Mayne, A Wonfor, R V Penty, R Cush, R Turner, P Firth, M Wale, I H White, and J Elbers. OSA/IEEE Journal of Optical Communications and Networking, Vol. 7, Issue 1, pp. A28-A36, 2015 (invited)

"First Demonstration of Automated Control and Assessment of a Dynamically-Reconfigured Monolithic 8×8 Wavelength-and-Space Switch", Q Cheng, R Stabile, A Rohit, A Wonfor, R V Penty, I H White, and K A Williams. Journal of Optical Communication Networks, Vol. 7, Issue. 3, pp. A388-A395 2015 (invited)

"Low Latency Optical Switch for High Performance Computing with Minimized Processor Energy Load", S Liu, Q Cheng, M Ridwan Madarbux, A Wonfor, R V Penty, I H White and P M Watts. Journal of Optical Communications and Networking, 7 ppA498-A510, 2015, (invited)

"Uncooled DWDM using Orthogonal Coding for Low-cost Datacommunication Applications", J B von Lindeiner, J D Ingham, Member, IEEE, A Wonfor, Member, IEEE, J Zhu, R V Penty, Senior Member, IEEE, I H White, Fellow, IEEE. Journal of Lightwave Technology, Vol.33, Issue 3, pp 700-709, 2015 (invited paper)

"An introduction to InP-based generic integration technology", Meint Smit, Xaveer Leijtens, Huub Ambrosius, Erwin Bente, Jos van der Tol, Barry Smalbrugge, Tjibbe de Vries, Erik-Jan Geluk, Jeroen Bolk, Rene van Veldhoven, Luc Augustin, Peter Thijs, Domenico D'Agostino, Hadi Rabbani, Katarzyna Lawniczuk, Stanislaw Stopinski, Saeed Tahvili, Antonio Corradi, Emil Kleijn, Dzmitry Dzibrou, Manuela Felicetti, Elton Bitincka, Valentina Moskalenko, Jing Zhao, Rui Santos, Giovanni Gilardi, Weiming Yao, Kevin Williams, Patty Stabile, Piet Kuindersma, Josselin Pello, Srivathsa Bhat, Yuqing Jiao, Dominik Heiss, Gunther Roelkens, Mike Wale, Paul Firth, Francisco Soares, Norbert Grote, Martin Schell, Helene Debregeas, Mohand Achouche, Jean-Louis Gentner, Arjen Bakker, Twan Korthorst, Dominic Gallagher, Andrew Dabbs, Andrea Melloni, Francesco Morichetti, Daniele Melati, Adrian Wonfor, Richard Penty, Ronald Broeke, Bob Musk, and Dave Robbins. Semiconductor Science and Technology, Vol. 29, No. 8, 2014

"Athermal Colourless C-band Optical Transmitter System for Passive Optical Networks". J. Zhu, A. Wonfor, S. H. Lee, S. Pachnicke, M. Lawin, R. V. Penty, J. -P. Elbers, R. Cush, M. Wale, and I. H. White. Journal of Lightwave Technology, Vol.32, No.22, pp.3651-3658, 2014 2014

"Demonstration of Multi-casting in a 1 x 9 LCOS Wavelength Selective Switch", B Robertson, H Yang, M M Redmond, N Collings, J R Moore, J Liu, A M Jeziorska-Chapman, M Pivnenko, S Lee, A Wonfor, I H White, W A Crossland, and D P Chu. Journal of Lightwave Technology, Vol. 32, Issue 3, Vol. 32, Issue 3, pp 402-410, 2014

"Demonstration of the feasibility of large-port-count optical switching using a hybrid Mach-Zehnder interferometer-semiconductor optical amplifier switch module in a recirculating loop", Q Cheng, A Wonfor, J L Wei, R V Penty and I H White. Optics Letters, Vol. 39, No. 18, pp 5244-5247, September 15, 2014

"Generation of 140 fs pulse train with widely tunable repetition rate through cascaded fibre compression techniques". S Zhu, A H Quarterman, A Wonfor, R V. Penty, I H. White. IET Optoelectronics, Vol. 8, Issue 2, pp. 108-112, 2014

"Microwave Photonic Integrated Circuits for Millimeter-Wave Wireless Communications", G Carpintero, K Balakier, Z Yang, R C Guzmán, A Corradi, A Jimenez, G Kervella, M J Fice, M Lamponi, M Chitoui, F van Dijk, C C Renaud, A Wonfor, E A J M Bente, R V Penty, I H White and A J Seeds. Journal of Lightwave Technology, Vol. 32, Issue 20, PP 3495 - 3501, 2014

"MIMO DWDM System Using Uncooled DFB lasers with Adaptive Laser Bias Control and Post-Photodetection Crosstalk Cancellation", Jiannan Zhu, Jonathan D Ingham, Benedikt von Lindeiner, Adrian Wonfor, Richard V Penty and Ian H White. Journal of Lightwave Technology, Vol.32, No.21, pp.3372-3379, 2014

"Monolithic MZI-SOA Hybrid Switch for Low-power and Low-penalty Operation", Q Cheng, A Wonfor, J L Wei, R V Penty, and I H White. Optics Letters, Vol. 39, Issue 6, pp 1449-1452, 2014

"Monolithically Integrated Selectable Repetition-Rate Laser Diode Source of Picosecond Optical Pulses". Xuhan Guo, Vojtech Olle, Adrian Quarterman, Adrian Wonfor, Richard Penty and Ian White. Optics Letters, Vol. 39, No. 14, pp. 4144-4147, 2014

"Photonic Integrated Circuits for Millimeter-Wave Wireless Communications" G Carpintero, K Balakier, Z Yang, R C Guzmán, A Corradi, A Jimenez, G Kervella, M J Fice, M Lamponi, M Chitoui, F van Dijk, C C Renaud, A Wonfor, E A J M Bente, R V Penty, I H White and A J Seeds. Journal of Lightwave Technology (special issue on Microwave Photonics), Vol. PP, Issue: 99, 2014

"Hybrid and Passive Mode-Locking of a Monolithic Two-Section MQW InGaN/GaN Laser Diode" V F Olle, A Wonfor, L A.M Sulmoni, P P Vasil'ev, J-M Lamy, J-F Carlin, N Grandjean, R V Penty and I H White. IEEE Photonics Technology Letters, Vol. 25, Issue 15, p1514-1516, 2013

"Scalable, Low-Energy Hybrid Photonic Space Switch" Q Cheng, A Wonfor, R V Penty and I H White. IEEE Journal of Lightwave Technology, Vol. 31, Issue 18, pp 3077-3084, 2013

"Algorithm-based continuous pulse duration tuning and performance control of a mode-locked laser diode", N K Metzger, V F Olle, A Wonfor, R V Penty, I H White, M Mazilu, C T A Brown and W Sibbett, Optics Express, Vol. 20, Issue 7, pp 7022-7034, 2012 (invited)

"Intelligent energy aware networks", Y Audzevich, A W Moore, A Rice, R Sohan, S Timotheou, J Crowcroft, S Akoush, A Hopper, A Wonfor, H Wang, R V Penty, I H White, X Dong, T El-Gorashi, and J Elmirghani, in "Handbook of Energy-Aware and Green Computing", I Ahmad and S Ranka, Eds: CRC Press, 2012

"Ultrashort superradiant pulse generation from a GaN/InGaN heterostructure", V F Olle, P P Vasil'ev, A Wonfor, R V Penty and I H White, Optics Express, Vol 20, Issue 7, pp 7035-7039, 2012 (invited)

"Dual-pumped tellurite fiber amplifier and tunable laser using Er3+Ce3+ codoping scheme", J Dong, Y Q Wei, A Wonfor, R V Penty, I H White, J Lousteau, G Jose and A Jha, IEEE Photonics Technology Letters, Vol 23, No 11, pp 736-738, June 2011

"Large port count high-speed optical switch fabric for use within datacenters", A Wonfor, H Wang, R V Penty and I H White, IEEE/OSA Journal of Optical Communications and Networking, Vol 3, Issue 8, pp A32-A39, 2011 (invited)

"Theoretical model for Dicke superradiance in a semiconductor laser device", X Guo, K A Williams, V Olle, A Wonfor, R V Penty and I H White, IEEE Photonic Technology Letters, Vol 23, Issue 23, pp 1817-1819, 2011

"A terabit capacity passive polymer optical backplane based on a novel meshed waveguide architecture", J Beals IV, N Bamiedakis, A Wonfor, R V Penty, I H White, J V DeGroot Jr, K Hueston, T V Clapp and M Glick, Applied Physics A, Vol 95, pp 983-988, 2009

"Scalable optical switches for computing applications", I H White, E T Aw, K A Williams, H Wang, A Wonfor and R V Penty, Journal of Optical Networking, Vol 8, pp 215-224, 2009

"Spectrally efficient next-generation optical access network incorporating a novel CWDM uplink combiner," J Y Ha, A Wonfor, P Ghiggino, R V Penty, and I H White, Optics Express 17, pp 978-983, 2009

"High spectral efficiency multi-user optical network architecture using 1-Gb/s 16QAM subcarrier multiplexing", J Y Ha, A Wonfor, P Ghiggino, R V Penty and I H White, Electronics Letters, Vol 44, pp 1482-1484, 2008

"Operational equivalence of self-switching in MZI and nonlinear polarization switches based on SOAs", S Gupta, N Calabretta, M Presi, G Contestabile, A Wonfor, R Gangopadhyay and E Ciaramella, IEEE Journal of Selected Topics in Quantum Electronics, Vol 14, pp 779-788, 2008

"Chasing errors through the network stack: a testbed for investigating errors in real traffic on optical networks", A W Moore, L B James, A Wonfor, I H White, R V Penty, M Glick and D McAuley, IEEE Communications Magazine, Vol 43, pp s34-s39, 2005

"Optical network packet error rate due to physical layer coding", A W Moore, L B James, M Glick, A Wonfor, R G Plumb, I H White, D McAuley and R V Penty, IEEE/OSA Journal of Lightwave Technology, Vol 23, pp 3056-3065, 2005

"Transmission of 37.6-GHz QPSK wireless data over 12.8-km fiber with remote millimetre-wave local oscillator delivery using a bi-directional SOA in a full-duplex system with 2.2-km CWDM fiber ring architecture", T Ismail, C P Liu, J E Mitchell, A J Seeds, X Qian, A Wonfor, R V Penty and I H White, IEEE Photonics Technology Letters, Vol 17, pp 1989-1991, 2005

"Direct modulation and mode locking of 1.3 mm quantum dot lasers", M Kuntz, G Fiol, M Lammlin, D Bimberg, M G Thompson, K T Tan, C Marinelli, A Wonfor, R Sellin, R V Penty, I H White, V M Ustinov, A E Zhukov, Y M Shernyakov, A R Kovsh, N N Ledentsov, C Shubert and V Marembert, New Journal of Physics, Vol 6, paper 181, 2004

"High bit rate and elevated temperature data transmission using InGaAs quantum-dot lasers", K T Tan, C Marinelli, M G Thompson, A Wonfor, M Silver, R L Sellin, R V Penty, I H White, M Kuntz, M Lammlin, N N Ledentsov, D Bimberg, A E Zhukov, V M Ustinov and A R Kovsh, IEEE Photonics Technology Letters, Vol 16, pp 1415-1417, 2004

"High-power ultra-fast single- and multi-mode quantum-dot lasers with superior beam profile", R L Sellin, D Bimberg, V Ustinov, N N Ledentsov, I Kaiander, M Kuntz, M Lämmlin, K T Tan, C Marinelli, M G Thompson, A Wonfor, R V Penty, I H White, D O'Brien, S P Hegarty, G Huyet, J G McInerney and J K White, Semiconductor News, Vol 13, pp 29-44, 2004

"Wavelength switching components for future photonic networks", I H White, R V Penty, M Webster, Y J Chai, A Wonfor and S Shahkooh, IEEE Communications Magazine, Vol 40, pp 74-81, 2002

"Threshold current reduction in InGaN MQW laser diode with lambda/4 air/semiconductor Bragg reflectors", C Marinelli, L J Sargent, A Wonfor, J M Rorison, R V Penty, I H White, P J Heard, G Hasnain and R Schneider, Electronics Letters, Vol 36, pp 1706-1707, 2000

"Theoretical analysis of timing jitter in monolithic multisection mode-locked DBR laser diodes", B Zhu, I H White, R V Penty, A Wonfor, E Lach, H D Summers, IEEE Journal of Quantum Electronics, Vol 33, pp 1216-1220, 1997

"Field Demonstration of a Tunable WDM-PON System with Novel SFP+ Modules and Centralized Wavelength Control", S Pachnicke, S Mayne, B Quemeneur, D Sayles, H Schwuchow, J Zhu, A. Wonfor, P Marx, M Lawin, M Fellhofer, R Turner, P Neuber, M Dietrich, M J Wale,R V Penty, I H White, and J P Elbers. Optical Fibre Communication Conference (OFC), Los Angeles, 2015

"Low-Energy, High-Performance Lossless 8×8 SOA Switch", Q Cheng, A Wonfor, J L Wei, R V Penty and I H White. Optical Fibre Communication Conference (OFC), Los Angeles, Paper Th4E.6, 2015.

"Routing Algorithm to Optimize Loss and IPDR for Rearrangeably Non-Blocking Integrated Optical Switches", M Ding, Q Cheng, A Wonfor, R V Penty, and I H White. Conference on Laser and Electro Optics (CLEO), San Jose, 2015

"100 Gb/s Uncooled DWDM using Orthogonal Coding for Low-cost Datacommunication Links" J B von Lindeiner, J D Ingham, A Wonfor, J Zhu, R V Penty and I H White. OFC March 9-13,San Francisco, 2014..

"A 1 Gbps 105.4 GHz Link with a Directly Modulated Photonic Integrated Dual Laser Source", Zhen Yang, Martyn J. Fice, Katarzyna Balakier, Adrian Wonfor, Cyril C. Renaud, Guillermo Carpintero, Gaël Kervella, Frederic Van Dijk, Alwyn J. Seeds, Richard V. Penty, and Ian H. White. Conference on Laser and Electro Optics (CLEO), San Jose, June 8-13, 2014

"A Low Latency Optical Top of Rack Switch for Data Centre Networks with Minimized Processor Energy Load" Shiyun Liu, Qixiang Cheng, Adrian Wonfor Richard Penty, Ian White, Philip Watts. OFC March 9-13,San Francisco, 2014.

"Cascaded Performance of a Monolithic MZI-SOA Hybrid Switch", Q Cheng, A Wonfor, J L Wei, R V Penty, and I H White. Conference on Laser and Electro Optics (CLEO), San Jose, 8-13 June, 2014, paper SM4G.1

"Dilated 2x2 Hybrid MZI-SOA Switch Circuit Routing 100Gb/s DWDM Data", Q Cheng, A Wonfor, J L Wei, R V Penty, and I H White, European Conference on Integrated Optics (ECIO), Nice, 24-27 June, 2014, paper Th 4b R2

"Fast Dynamic Wavelength and Path Scheduling in a Monolithic 8x8 Switch" Q Cheng, R Stabile, A Rohit, A Wonfor, R V Penty, I H White and K Williams. OFC March 9-13,San Francisco, 2014.

"First Demonstration of a Full C-Band Tunable WDM-PON System with Novel High-Temperature DS-DBR Lasers" S Pachnicke, J Zhu, M Lawin, A Wonfor, M Eiselt, R V Penty, R Cush, R Turner, P Firth, M J Wale, I H White and J P Elbers. OFC March 9-13,San Francisco, 2014.

"High Temperature Athermal Colorless Laser for Low-Cost Backhaul Networks", Jiannan Zhu, Adrian Wonfor, Rosie Cush, Michael J. Wale, Stephan Pachnicke, Richard V. Penty, and Ian H. White. Conference on Laser and Electro Optics (CLEO), San Jose, June 8-13, 2014

"Large Port Count Optical Switch Using Hybrid MZI-SOA Approach", I H White, Q Cheng, A Wonfor, and R V Penty, International Conference on Transparent Optical Networks (ICTON), Graz, 2014, paper Mo.D2.1, (Invited)

"Modular Hybrid Dilated Mach-Zehnder Switch with Integrated SOAs for Large Port Count Switches" Q Cheng, A Wonfor, J L Wei, R V Penty and I H White. OFC March 9-13,San Francisco, 2014.

"Real-time Demonstration of 3 × 10 Gb/s Uncooled MIMO DWDM System with Adaptive Laser Bias Control", Jiannan Zhu, Jonathan D Ingham, Adrian Wonfor, Richard V Penty and Ian H White. Conference on Laser and Electro Optics (CLEO), San Jose, June 8-13, 2014

"The Feasibility of Building Large Scale Optical Switches Using a Novel MZI-SOA Hybrid Approach", Q Cheng, J L Wei, A Wonfor, R V Penty, and I H White, Asia Communications and Photonics Conference (ACP), Shanghai, 2014, paper AF2B.4

"Uncooled Orthogonal DWDM using discrete laser sources for low-cost datacommunication", J B von Lindeiner, A Wonfor, Member, IEEE, R V Penty, Senior Member, IEEE, I H White, Fellow, IEE. European Conference on Optical Communication (ECOC), Cannes, 2014 (Poster)

"Chirp-Enhanced Direct Modulation of a Monolithic Sub-Terahertz Dual Laser Transmitter" Z Yang, A Wonfor, A H Quarterman, R V Penty and I H White. Microwave Photonics Conference, Virginia USA, 28 -31 October 2013.

"Demonstration of Cascaded Operation of Active-Passive Integrated 4×4 SOA Switches with On-Chip Monitoring for Power Control and Energy Consumption Optimization", K Wang, A Wonfor, RV Penty and IH White, OW3J.1, Optical Fiber Communication Conference and Exposition (OFC), Annaheim, 2013

"High Power Pulses at Tunable Repetition Rates from a Monolithically Integrated Mode-Locked Laser Device" X Guo, A.H Quarterman, A Wonfor, V.F Olle, R.V Penty, I.H White. Novel In-Plane Semiconductor Lasers XII, Photonics, West San Francisco, CA USA 2013.

"Measurement of third-order dispersion in a Hong-Ou-Mandel interferometer", Adrian Quarterman, John Carroll, Adrian Wonfor, Richard Penty, and Ian H. White, CLEO-QELS 2013, San Jose June 9-14, 2013

"Mode-Locking from a Monolithic InGaN/GaN Laser Diode" V.F Olle, A Wonfor, L.A.M Sulmoni, P.P Vasil'ev, J-M Lamy, J-F Carlin, N. Grandjean, R.V Penty and I.H White. Semiconductor and Integrated OptoElectronics (SIOE) Conference, Cardiff, April 9-11 2013

"Simulation on Low-energy, Scalable Hybrid Switch", Q Cheng, A Wonfor, K Wang, R V Penty and I H White. Semiconductor and Integrated Opto-Electronics Conference (SIOE), Cardiff, 2013

'100fs Level Pulse Train Generation with Cascaded Modulators and Various Fibre Compression Techniques' S.Zhu, A.H. Quarterman, A.Wonfor, R.V.Penty, I.H.White. Semiconductor and Integrated OptoElectronics (SIOE) Conference, Cardiff, April 9-11 2013

'Linewidth Narrowing in a Sub-Terahertz Monolithic Dual-Laser Source with Integrated Reflector' Z.Yang, A.Wonfor, R.V.Penty and I.H White. Semiconductor and Integrated OptoElectronics (SIOE) Conference, Cardiff, April 9-11 2013

'Low-Energy, Scalable Hybrid Crosspoint Switch Design' Q.Cheng, A.Wonfor, K.Wang, R.V Penty, I.H White. Semiconductor and Integrated OptoElectronics (SIOE) Conference, Cardiff, April 9-11 2013

'Low-Energy, Scalable Hybrid Crosspoint Switch Design'. Q.Cheng, A.Wonfor, K.Wang, R.V Penty, I.H White. CTu1L.3 CLEO Conference, San Jose USA, June 9 - 14, 2013.

'Passive and Hybrid Mode-Locking From a Monolithic InGaN/GaN Laser Diode' Vojtech F. Olle, Adrian Wonfor, Luca Sulmoni, Peter P. Vasil'ev, Jean-Michel Lamy, Jean-Francois Carlin, Nicolas Grandjean, Richard V Penty and Ian H White. CLEO Conference, San Jose USA, June 9 - 14, 2013.

"1.4ps superradiant pulses from a GaN-based laser", V F Olle, P P Vasil'ev, A Wonfor, R V Penty and I H White, Conference on Laser and Electro Optics, San Jose, 2012

"250 MHz repetition rate monolithically integrated modulated mode-locked semiconductor laser", X Guo, V F Olle, A H Quarterman, A Wonfor, R V Penty and I H White, Conference on Laser and Electro Optics, San Jose, 2012 (poster)

"Active-Passive 4x4 SOA-Based Switch with Integrated Power Monitoring", K Wang, A Wonfor, R V Penty and I H White, Optical Fiber Communication Conference and Exposition (OFC), Los Angeles, 2012

"InP wavelength shifter designs for colorless user terminals in passive optical networks", J A Lazaro, V Solè, A Wonfor and B Schrenk, European Conference on Integrated Optics (ECIO 2012), Barcelona, 2012

"Low repetition rates and high peak powers in monolithic mode-locked laser diodes", X Guo, A Wonfor, A H Quarterman, V F Olle, R V Penty and I H White, The Celebration of the 50th Anniversary of the Diode Laser, Coventry UK, 2012

"Monolithically integrated variable repetition rate mode-locked laser diode", X Guo, V Olle, A Quarterman, A Wonfor, R V Penty and I H White, European Conference on Integrated Optics (ECIO 2012), Barcelona, 2012

"Research roadmap for green wireline access", P. Vetter, L. Lefevre, L. Gasca, K. Kanonakis, L. Kazovsky, B. Lannoo, A. Lee, C. Monney, X. Qiu, F. Saliou and A. Wonfor, IEEE International Conference on Communications (ICC) 2012, pp.5941,5945, 10-15 June 2012

"The use of wavefront encoding to reduce crosstalk in a multicasting fiber telecom switch", B Robertson, H Yang, M M Redmond, N Collings, J Liu, A M Jerziorska-Chapman, J R Moore, Z Zhang, W A Crossland, A Wonfor, I H White, S H Lee and D Chu, Optical Fiber Communication Conference and Exposition (OFC), Los Angeles, 2012

"Variable repetition rate monolithically integrated mode-locked-laser-modulator-MOPA device", X Guo, A H Quarterman, V F Olle, A Wonfor, R V Penty and I H White, ISLC, San Diego, 2012

"High power short pulse generation at high repetition rate from InGaN violet laser diodes", V F Olle, A Wonfor, P P Vasil'ev, R V Penty, and I H White, Conference on Lasers and Electro-Optics, CLEO, Baltimore, 2011 (poster)

"Numerical simulation of Dicke superradiance in a semiconductor laser device", X Guo, K A Williams, V F Olle, A Wonfor, R V Penty and I H White, Integrated Photonics Research Conference, Silicon and Nanophotonics, Toronto, 2011

"Theoretical model for Dicke superradiance in a semiconductor laser", X Guo, K A Williams, V F Olle, A Wonfor, R V Penty and I H White, Semiconductor and Integrated Opto-Electronics Conference, Cardiff, 2011

"Uncooled DWDM transmission system using tunable laser sources with anti-mode-hop control protocol", S H Lee, A Wonfor, R V Penty, I H White, G Busico, R Cush and M Wale, IEEE Photonic Society 24th Annual Meeting, (PHO), 2011

"Uncooled tunable laser sources with antimode-hop control protocol", S H Lee, A Wonfor, R V Penty and I H White, IEEE Photonics Conference (IPC11), Arlington, 2011

"8-channel 20 Gb/s non-return-to-zero signal regeneration", Y Yu, A Wonfor, J Rosas-Fernandez, J D Ingham, R V Penty and I H White, Conference on Lasers and Electro-Optics (CLEO) and Quantum Electronics and Laser Science Conference (QELS), San Jose, 2010

"A compact lossless integrated 16 x 16 QW SOA switch", H Wang, A Wonfor, R V Penty, I H White and K A Williams, European Conference on Integrated Optics, Cambridge, 2010

"Athermal colourless C-band optical transmitter for passive optical networks", S H Lee, A Wonfor, R V Penty, I H White, G Busico, R Cush and M Wale, European Conference and Exhibition on Optical Communication (ECOC), Turin, 2010

"Monolithic SOA switch fabric", I H White, R V Penty and A Wonfor, International Conference on Photonics in Switching, Monterey, 2010

"Multi-channel return-to-zero signal regeneration using a single phase modulator and an AWG", Y Yu, J D Ingham, J B Rosas-Fernandez, A Wonfor, R V Penty and I H White, Conference on Optical Fiber Communication (OFC), San Diego, 2010

"Multi-channel return-to-zero signal regeneration using a single phase modulator and an AWG", Y Yu, J D Ingham, J Rosas-Fernandez, A Wonfor, R V Penty and I White, Optical Fiber Communication Conference and Exposition (OFC), San Diego, 2010

"Multipath routing in a fully scheduled integrated optical switch fabric", R Stabile, H Wang, A Wonfor, K Wang, R V Penty, I H White and K A Williams, European Conference and Exhibition on Optical Communication (ECOC), Turin, 2010

"Self-configuring athermal tunable DS-DBR laser for passive optical networks", S H Lee, A Wonfor, R V Penty, I H White, G Busico, R Cush and M Wale, Conference on Lasers and Electro-Optics (CLEO) and Quantum Electronics and Laser Science Conference (QELS), San Jose, 2010

"Uncooled tuneable lasers for passive optical network applications", A Wonfor, S H Lee, R V Penty, I H White, G Busico, R Cush and M Wale, European Semiconductor Laser Workshop, Pavia, 2010

"Comparative cross-layer analysis for serial and parallel free space optics inter-satellite links", E Rodriguez-Colina, D Gil-Leyva, A Wonfor, R V Penty, I H White, J L Marzo and R Fabregat, IEEE Conference on Computer Communications (INFOCOM), San Diego, 2009

"Demonstration of a lossless monolithic 16 x 16 QW SOA switch", H Wang, A Wonfor, K A Williams, R V Penty and I H White, European Conference on Optical Communication, Vienna, 2009

"Lossless multistage SOA switch fabric using high capacity monolithic 4 x 4 SOA circuits", H Wang, E T Aw, K A Williams, A Wonfor, R V Penty and I H White, Optical Fiber Communication Conference, San Diego, 2009

"Low penalty cascaded operation of a monolithically integrated quantum dot 1 x 8 port optical switch", H Wang, K A Williams, A Wonfor, T de Vries, B Smalbrugge, Y-S Oei, M Smit, R Notzel, S Liu, R V Penty and I H White, European Conference on Optical Communication, Vienna, 2009

"Novel 4 x 4 port integrated SOA switch and wavelength converter", H Wang, A Wonfor, S Liu, R V Penty and I H White, Photonics in Switching, Pisa, 2009

"Receiver playout buffer requirement for TCP video streaming in the presence of burst packet drops", X Shen, A Wonfor, R V Penty and I H White, London Communications Symposium, University College London, 2009

"Terabit capacity passive polymer optical backplane", I H White , J Beals, N Bamiedakis, A Wonfor, R V Penty, J V DeGroot, K Hueston and T V Clapp, Ubiquitous Computing Workshop, Imperial College London, 2009 (invited)

"Demonstration of an SOA efficient 32 x 32 optical switch for radio over fiber distribution systems", M Crisp, E T Aw, A Wonfor, R V Penty and I H White, Optical Fiber Communications Conference, San Diego, 2008

"High capacity demonstration of a compact regrowth-free integrated 4 x 4 quantum well semiconductor optical amplifier based switch", H Wang, E T Aw, M G Thompson, A Wonfor, RV Penty and I H White, European Conference on Optical Communications, Brussels, 2008

"Integrated quantum dot 2 x 2 switch for uncooled switching applications", H Wang, E T Aw, M G Thompson, A Wonfor, A R Kovsh, R V Penty and I H White, European Conference on Integrated Optics, Eindhoven, 2008

"Terabit capacity passive polymer optical backplane", J Beals, N Bamiedakis, A Wonfor, R V Penty and I H White, Conference on Lasers and Electro-Optics, San Jose, 2008

"Ultrafast FWM self routing between 10 ports of spectral amplitude coded 10 Gb/s packets set on a 25 GHz grid with unequally spaced bins", J B Rosas-Fernandez, G Huang, E T Aw, A Wonfor, R V Penty and I H White, Optical Fiber Communications Conference, San Diego, 2008

"Uncooled 2 x 2 quantum dot semiconductor optical amplifier based switch", E T Aw, H Wang, M G Thompson, A Wonfor, RV Penty and IH White, Conference on Lasers and Electro-Optics, San Jose, 2008

"An optimized non-blocking SOA switch architecture for high performance Tb/s network interconnects", E T Aw, A Wonfor, M Glick, R V Penty and I H White, IEEE Photonics in Switching Conference, San Francisco, 2007

"Demonstration of a radio over fibre distributed antenna network for combined in-building WLAN and 3G coverage", M J Crisp, S Li, A Wonfor, R V Penty and I H White, Optical Fiber Communications Conference, Anaheim, 2007

"Dynamic operation of a monolithic add-drop quantum dot switch", H Wang, E T Aw, Y Chu, S Liu, M G Thompson, A Wonfor, R L Sellin, R V Penty, I H White and A R Kovsh, Semiconductor and Integrated Optoelectronics, Cardiff, 2007

"Dynamic range studied of a monolithic 2 x 2 quantum dot switch", E T Aw, Y Chu, S Liu, M G Thompson, A Wonfor, R L Sellin, R V Penty, I H White and A R Kovsh, Conference on Lasers and Electro-Optics, Baltimore, 2007

"High capacity optically switched interconnects for computer network applications", M Glick, A Wonfor, E T Aw, R V Penty and I H White, IEEE Photonics in Switching Conference, San Francisco, 2007 (invited)

"Highly spectral efficiency multi-user optical network architecture using 1 Gb/s 16 QAM subcarrier multiplexing", J Y Ha, A Wonfor, R V Penty, I H White and P Ghiggino, European Conference on Optical Communications, Berlin, 2007

"Large dynamic range 32 x 32 optimized non-blocking SOA based switch for 2.56 Tb/s interconnect applications", E T Aw, A Wonfor, M Glick, R V Penty and I H White, accepted for the European Conference on Optical Communications, Berlin, 2007

"Low-loss, high-uniformity 1 x 2, 1 x 4 and 1 x 8 polymer multimode Y-Splitters enabling radio-over-fibre multicasting applications", N Bamiedakis, J Beals, F Yang, A Wonfor, R V Penty, I H White, J V DeGroot Jr and T V Clapp, European Conference on Integrated Optics, Copenhagen, 2007

"Monolithic 2 x 2 quantum dot switch for optical interconnect networks", E T Aw, H Wang, Y Chu, S Liu, M G Thompson, A Wonfor, R L Sellin, R V Penty, I H White and A R Kovsh, European Conference on Integrated Optics, Copenhagen, 2007

"Monolithic add-drop quantum dot switch exhibiting ultra-low cross-wavelength distortion", X Hu, S Liu, Y Chu, X Zhao, M G Thompson, A Wonfor, R L Sellin, R V Penty, I H White and A R Kovsh, Optical Fiber Communications Conference, Anaheim, 2007

"Multi-stage SOA switch fabrics: 4 x 40 Gb/s packet switching and fault tolerance", E T Aw, T Lin, A Wonfor, R V Penty, I H White and M Glick, Optical Fiber Communications Conference, Anaheim, 2007

"Multimode SCM-based PON architecture for computer network applications using a low-cost polymer 1 x 8 splitter/combiner", N Bamiedakis, J Y Ha, F Yang, A Wonfor, R V Penty, I H White, J V DeGroot Jr and T V Clapp, Conference on Lasers and Electro-Optics, Baltimore, 2007

"SCM-based PON architecture for LAN applications using an integrated polymer combiner/splitter", F Yang, N Bamiedakis, J Y Ha, A Wonfor, R V Penty, I H White, J V DeGroot Jr and T V Clapp, Semiconductor and Integrated Optoelectronics, Cardiff, 2007

"Spectrally efficient 10 x 1 Gb/s QPSK multi-user optical network architecture", J Y Ha, A Wonfor, R V Penty, I H White and P Ghiggino, Optical Fiber Communications Conference, Anaheim, 2007

"User workload based access network traffic emulation", X Shen, A Wonfor, R V Penty and I H White, E-PhotonONe Summer School, Brest, 2007

"A novel monolithic beam steering high power transmitter for low cost free space optical wireless links", X Zhao, F K Lau, C W Tee, A Wonfor, R V Penty, I H White, M Calligaro, M Lecomte, O Parillaud, N Michel and M Krakowski, SPIE International Symposium: Photonics West, San Jose, 2006

"A novel monolithic beam steering high power transmitter for low cost free space optical wireless links", F K Lau, X Zhao, C W Tee, A Wonfor, R V Penty, I H White, M Calligaro, M Lecomte, O Parillaud, N Michel and M Krakowski, SPIE International Symposium: Photonics West, San Jose, 2006

"BER implication for TCP/IP network throughput over a 10 x 10 Gbps wavelength-striping cascaded SOA-switch", E Rodriguez-Colina, A W Moore, M Glick, A Wonfor, I H White and R V Penty, London Communications Symposium, University College London, 2006

"Cascaded performance of quantum dot semiconductor optical amplifier in a recirculating loop", S Liu, K A Williams, T Lin, M G Thompson, C K Yow, A Wonfor, R V Penty, I H White, F Hopfer, M Lämmlin and D Bimberg, Conference on Lasers and Electro-Optics, Long Beach, 2006

"Experimental demonstration of electronic dispersion compensation in subcarrier-modulated links over FDDI-grade multimode fibre", A M E-A Diab, J D Ingham, J Y Ha, A Wonfor, R V Penty and I H White, European Conference on Optical Communication, Cannes, 2006

"High capacity interconnection networks", M Glick, M Dales, T Lin, E T Aw, A Wonfor, K A Williams, R V Penty and I H White, Asia-Pacific Optical Communications, Gwangju, 2006 (invited)

"High capacity optical interconnects for computer networks", M Glick, M Dales, T Lin, A Wonfor, K A Williams, R V Penty and I H White, International Conference on Transparent Optical Networks, University of Nottingham, 2006 (invited)

"Layered architecture to enable large scale SOA switch fabric", E T Aw, T Lin, A Wonfor, M Glick, K A Williams, R V Penty and I H White, European Conference on Optical Communication, Cannes, 2006

"Monolithic integration of collimating fresnel lens for beam quality enhancement in tapered high power laser diode", F K Lau, C W Tee, X Zhao, A Wonfor, K Williams, R V Penty, I H White, M Calligaro, M Lecomte, O Parillaud, N Michel and M Krakowski, SPIE International Symposium: Photonics West, San Jose, 2006

"Multi-wavelength semiconductor optical amplifier with automatic power control", E T Aw, T Lin, A Wonfor, M Glick, K A Williams, R V Penty and I H White, London Communications Symposium, University College London, 2006

"Overcoming transmission impairments in wide frequency range radio-over-fibre distribution systems" X Qian, A Wonfor, R V Penty and I H White, European Conference on Optical Communication, Cannes, 2006

"WDM-SVM PON architecture incorporating a virtually passive CWDM uplink concentrator", J Y Ha, A Wonfor, R V Penty, I H White and P Ghiggino, Conference on Lasers and Electro-Optics, Long Beach, 2006

"1-20 GHz directly modulated radio over MMF link", P Hartmann, X Qian, A Wonfor, R V Penty and I H White, International Topical Meeting on Microwave Photonics, Seoul, 2005 (invited)

"Directly-modulated athermal transmitter for uncooled WDM systems", Y Liu, J D Ingham, A Wonfor, A R Davies, R V Penty and I H White, European Conference on Optical Communication, Glasgow, 2005

"Full-duplex wireless-over-fibre transmission incorporating a CWDM ring architecture with remote millimetre-wave LO delivery using a bi-directional SOA", T Ismail, C P Liu, J E Mitchell, A J Seeds, X Qian, A Wonfor, R V Penty and I H White, Optical Fiber Communication Conference, Anaheim, 2005

"Microwave signal transmission over a directly-modulated radio-over-fiber link using cascaded semiconductor optical amplifiers", X Qian, P Hartmann, A Wonfor, J D Ingham, R V Penty and I H White, Optical Fiber Communication Conference, Anaheim, 2005

"Packet error rate and bit error rate non-deterministic relationship in optical network applications", L B James, A W Moore, A Wonfor, R Plumb, I H White, R V Penty, M Glick and D McAuley, Optical Fiber Communication Conference, Anaheim, 2005

"5 Gb/s elevated temperature data transmission using quantum dot lasers", K T Tan, C Marinelli, M G Thompson, A Wonfor, R L Sellin, R V Penty, I H White, M Kuntz, M Lämmlin, N N Ledentsov, D Bimberg, V M Ustinov, A E Zhukov and A R Kovsh, Conference on Lasers and Electro-Optics, San Francisco, 2004

"Beyond Gigabit Ethernet: physical layer issues in future optical networks", L B James, A W Moore, R Plumb, M Glick, A Wonfor, I H White, D McAuley and R V Penty, London Communications Symposium, University College London, 2004

"Enhanced performance of a 100 km directly-modulated radio-over-fibre link using an unfiltered SOA", X Qian, P Hartmann, A Wonfor, J D Ingham, R V Penty and I H White, High Frequency Postgraduate Student Colloquium, Manchester, 2004

"High-power ultra-fast single- and multi-mode quantum-dot lasers with superior beam profile", R L Sellin, D Bimberg, V Ustinov, N N Ledentsov, I. Kaiander, M Kuntz, M Lämmlin, K T Tan, C Marinelli, M G Thompson, A Wonfor, R V Penty, I H White, D O'Brien, S P Hegarty, G Huyet, J G McInerney and J K White, Photonics West, San Jose, 2004 (invited)

"Improved distortion and dispersion tolerance of 4-level 40 Gb/s signals in amplified datacommunications links", A Wonfor, R G S Plumb, R V Penty, I H White, J K White and C Tombling, Conference on Lasers and Electro-Optics, San Francisco, 2004

"Uncooled 40 Gb/s transmission over 40 km single mode fiber using multi-level modulation of a highly linear laser", A Wonfor, R V Penty, I H White, J K White, A E Kelly and C Tombling, Optical Fiber Communication Conference, Los Angeles, 2004

"20 Gb/s multilevel-coded signal transmission using directly modulated laser diodes", E E Coulson, A Wonfor, J D Ingham, K A Williams, M Webster, R V Penty, I H White and J K White, Conference on Lasers and Electro-Optics, Baltimore 2003

"High dynamic range linear analog data links (1-20 GHz) using room temperature DFB laser diodes", P Hartmann, J D Ingham, M Webster, D Wake, A Wonfor, R V Penty, I H White, A J Seeds and J K White, SPIE Annual Meeting, San Diego, 2003 (invited)

"Integrated SOA devices for metro system applications", R V Penty, I H White, K A Williams, A Wonfor and A R Davies, European Conference on Integrated Optics, Prague, 2003 (invited)

"Linearity performance of uncooled single-mode InGaAsN VCSELs operating at 1.3 µm", M Webster, J D Ingham, A Wonfor, R V Penty, I H White, L M F Chirovsky, R L Naone, D Galt, D W Kisker and D Jenkins, European Conference on Optical Communication, Rimini, 2003

"Low-cost multimode fibre-based wireless LAN distribution system using uncooled, directly modulated DFB laser diodes", P Hartmann, M Webster, A Wonfor, J D Ingham, R V Penty, I H White, D Wake and A J Seeds, European Conference on Optical Communication, Rimini, 2003

"The impact of strain on the spontaneous emission from self assembled quantum dot laser diodes", K T Tan, A Wonfor, R V Penty, I H White, A Schliwa, D Bimberg, A R Kovsh, V M Ustinov and A E Zhukov, Conference on Lasers and Electro-Optics, Baltimore 2003

"Uncooled operation of a 40 Gb/s directly modulated multi-level laser for datacoms applications", A Wonfor, J K White, E E Coulson, R V Penty and I H White, European Conference on Optical Communication, Rimini, 2003

"Wide-frequency-range operation of a high-linearity uncooled DFB laser for next-generation radio-over-fiber", J D Ingham, M Webster, A Wonfor, R V Penty, I H White and J K White, Optical Fiber Communications Conference, Atlanta, 2003

"Automatic polarisation dependent gain compensation in semiconductor optical amplifiers using contact monitoring", A Wonfor, R V Penty, I H White and D McAuley, Optical Fiber Communications Conference, Anaheim, 2002

"Demonstration of highly linear uncooled DFB lasers for next generation RF over fibre applications", P Hartmann, M Webster, A Wonfor, D Wake, R V Penty, A J Seeds and I H White, European Conference on Optical Communication, Copenhagen, 2002

"High bandwidth modulation of multiple contact 1.3 micron quantum dot lasers", A Wonfor, K T Tan, C Ribbat, D Bimberg, K A Williams, D J Kang, M G Blamire, A R Kovsh, V M Ustinov, A E Zhukov, R V Penty and I H White, IEEE Lasers and Electro-Optics Society Annual Meeting, Glasgow, 2002

"High temperature measurements of laser distortion", P Hartmann, M Webster, A Wonfor, R V Penty and I H White, Semiconductor and Integrated Optoelectronics, Cardiff, 2002

"Novel polarisation independent gain compensation in semiconductor optical amplifiers using terminal monitoring", A Wonfor, R V Penty and I H White, Semiconductor and Integrated Optoelectronics, Cardiff, 2002

"Temperature independent distortion characteristics of high speed directly modulated laser diodes", P Hartmann, M Webster, A Wonfor, R V Penty and I H White, Conference on Semiconductor and Integrated Optoelectronics, Cardiff, 2002

"All-optical 2R regeneration and wavelength conversion at 10Gb/s in an integrated semiconductor optical amplifier/distributed feedback laser", M Webster, A Wonfor, R V Penty and I H White, European Conference on Optical Communication, Amsterdam, 2001

"Constant output power control in an optical crosspoint switch allowing enhanced noise performance operation", A Wonfor, S Yu, R V Penty and I H White, European Conference on Optical Communication, Amsterdam, 2001

"Design and fabrication of air/semiconductor Bragg gratings for short wavelength nitride-based lasers", C Marinelli, L J Sargent, M Bordovsky, A Wonfor, J M Rorison, R V Penty, I H White, P J Heard, M Benyoucef, M Kuball, G Hasnain and R P Schneider, Conference on Lasers and Electro-Optics, Baltimore, 2001

"Enhanced-performance operation of InGaN MQW lasers with air/nitride distributed Bragg reflector defined by focused ion beam etching", C Marinelli, L J Sargent, M Bordovsky, A Wonfor, J M Rorison, R V Penty, I H White, P J Heard, G Hasnain and R P Schneider, Photonics West, San Jose, 2001

"Novel cascaded optical coding schemes for bandwidth efficient systems applications", M Webster, E J Tyler, A Wonfor, R V Penty and I H White, Optical Fiber Communications Conference, Anaheim, 2001

"Novel output power control of a semiconductor optical amplifier based switch", A Wonfor, S Yu, R V Penty and I H White, Conference on Lasers and Electro-Optics, Baltimore, 2001

"All-optical 3R regeneration and wavelength conversion in an integrated SOA/DFB laser: experiment and simulation", V Saxena, M Owen, M F C Stephens, A Wonfor, R V Penty, I H White, Paper CMH2, Cleo-Europe 2000, Nice, 2000

"Cascading and routing 14 optical packet switches", K Guild, A Tzanakaki, H Lee, M J O"Mahoney, M Chia, M Nizam, I Andonovic, D Hunter, S Yu, A Wonfor, R Varrazza, R V Penty and I H White, Paper P4.8, ECOC"00, Munich, 2000

"Demonstration of simultaneous packet routing and wavelength conversion at 10Gb/s in a highly compact, lossless, vertical coupler optical space switch", R Varrazza, A Wonfor, S Yu, B Cakmak, R V Penty and I H White, Paper 10.4.4, ECOC"00, Munich, 2000

"Return to zero modulation for extending multimode fibre data links to 10Gb/s", M Webster, J D Ingham, A B Massara, A Wonfor, R V Penty and I H White, Paper P3.18, ECOC"00, Munich, 2000

"Transmission of a single 2.5Gb/s subcarrier modulated channel over 300m of 62.5mm multimode fibre", E J Tyler, M Webster, A Wonfor, R V Penty and I H White, Paper TuBB4, LEOS 2000, Rio Grande, Puerto Rico, 2000

"Effect of random facet phases in distributed feedback lasers on optical fibre link transmission penalty", R P Thilakumara, A Wonfor, K A Williams, R V Penty, I H White and F Wijnands, Paper CWD4, CLEO"99, Baltimore, 1999

"Demonstration of time division demultiplexing form 40Gb/s to 10Gb/s via polarisation switching in a semiconductor optical amplifier", M F C Stephens, A E Kelly, D Nesset, A Wonfor and R V Penty, Paper CFG8, CLEO/Europe-EQEC"98, Glasgow, 1998

"Wavelength conversion based on an integrated semiconductor optical amplifier/DFB laser at 10Gb/s with low input power", A R Sharafi, M F C Stephens, A Wonfor, I H White and R V Penty, Paper CWC6, CLEO"98, San Francisco, 1998

"Low Short Term Timing Jitter in an Integrated Cavity Semiconductor Laser Mode-Locked Laser", A Wonfor, B Zhu, I H White, R V Penty, E Lach, SIOE"97

"Low short term timing jitter in an integrated monolithic extended cavity semiconductor mode-locked laser", A Wonfor, B Zhu, I H White and R V Penty, Advanced Semiconductor Lasers and Applications, Proceedings of 1997 IEEE Summer Topical Meetings, Paper FB3. pp 64"65, Montreal, 1997

"The effects of pedestal suppression on gain-switched laser sources for 40 Gbit/s OTDM transmission", P L Mason, A Wonfor, D D Marcenac, D G Moodie, M C Brierley, R V Penty, I H White and S Bouchoule, LEOS, San Francisco, 1997

"The importance of spontaneous emission noise in dynamic jitter in monolithic mode"locked diode lasers", A M Rashed, A Wonfor, B Zhu, R V Penty and I H White, LEOS" 97, San Francisco, 1997

"The effect of frequency detuning on the jitter performance of a monolithic mode-locked diode laser", A Wonfor, P A Snow, K A Williams, R V Penty, I H White, E Lach, D Baums, C Hache, H Haisch, E Kuhn, K Satzke, M Schilling, J Weber and E Zielinski, Paper ThN6, IQEC 96, Sydney, 1996

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