RINCE

Biographical Details:

Dr. Prince Anandarajah received the B.Eng (Electronic Engineering) degree from University of Nigeria, Nsukka in 1992. In 1993 he joined the Nigerian College of Aviation Technology (NCAT), where he worked as an Instructor / Maintenance Engineer in the Aeronautical Telecommunications department until 1997. On completing his M.Eng (1998) in Electronic systems at Dublin City University (DCU) he joined the Optical Communications Group, also at DCU, where he obtained his PhD degree (2003). He then worked as a postdoctoral researcher with the Radio and Optical Communications laboratory until 2006 and is currently a Research Officer with the High Speed Devices and Systems (HSDS) centre which is part of the RINCE institute and also is a DCU senior research fellow since January 2010. His main research interests include; spectrally efficient modulation formats, tunable lasers for re-configurable networks, direct modulation techniques for PONs, generation and optimization of short optical pulses and Radio-over-Fibre (RoF) distribution systems. He has published over 100 articles in internationally peer reviewed journals and conferences and is also a holder of 4 international patents. He is a member of the TPC for the International Conference of Transparent Optical Networks (ICTON) since 2009.

Research Interests:

Direct Modulation Techniques for Cost Efficient Transmission, Short Optical Pulse Generation, Radio over Fibre Systems, Fibre To The Home (FTTH) Technologies, Pulse characterization, Advanced modulation formats, Optical packet switched networks, All-optical signal processing.

Selected Peer Reviewed Journals

• H. Shams, P. Perry, Member, P. M. Anandarajah, and L. P. Barry. 2011. Modulated Millimeter-Wave Generation by External Injection of a Gain Switched Laser. Ieee Photonics Technology Letters, 23, 7, pp447-449.
• P. M. Anandarajah, R. Maher, Y. Q. Xu, S. Latkowski, J. O¿Carroll, S. G. Murdoch, R. Phelan, J. O¿Gorman, and L. P. Barry. 2011. Generation of Coherent Multi-carrier Signals by Gain Switching of Discrete Mode Lasers. Ieee Photonics Technology Letters, 3 - IEEE PHOTONICS JOURNAL, 1, pp111-122.
• K. Shi, F. Smyth, P. M Anandarajah, D. Reid, Y. Yu, L. P Barry. 2010. Linewidth of SG-DBR laser and its effect on DPSK transmission. Optics Communications, 283, 24, pp5040-5045.
• H. Shams, P.M. Anandarajah, P. Perry and L.P. Barry. 2010. Optical Generation of Modulated Millimeter-Waves based on a Gain Switched Laser. Journal Of Lightwave Technology, 58, 11, pp3372-3380.
• R. Maher, K. Shi, L. P. Barry, J. O¿Carroll, B. Kelly, R. Phelan, J. O¿Gorman, P. M. Anandarajah. 2010. Implementation of a cost-effective optical comb source in a WDM-PON with 10.7Gb/s data to each ONU and 50km reach. Optics Express, 18, 15, pp15672-15681.
• D. A. Reid, K. Bondarczuk, K. J. Dexter, Kai Shi, P. M. Anandarajah, L. P. Barry, W. Guo, J. O¿Dowd, M. Lynch, A. L. Bradley, and J. F. Donegan. 2010. Two-Photon-Absorption-Based OSNR Monitor for NRZ-PSK Transmission Systems. Ieee Photonics Technology Letters, 22, 5, pp275-277.
• H. Shams, P.M. Anandarajah, P. Perry and L.P. Barry. 2009. Optical millimeter-wave generation and transmission system for 1.25 Gbit/s downstream link using a gain switched laser. Optics Communications, 282, 24, pp4789-4792.
• Anandarajah PM, Shi K, O'Carroll J, Kaszubowska A, Phelan R, Barry LP, Ellis AD, Perry P, Reid D, Kelly B, O'Gorman J. 2009. Phase shift keyed systems based on a gain switched laser transmitter. Optics Express, 17, 15, pp12668-12677.
• Maher R, Shi K, Anandarajah PM, Kaszubowska A, Barry LP, Yu YL. 2009. Novel Frequency Chirp Compensation Scheme for Directly Modulated SG DBR Tunable Lasers. Ieee Photonics Technology Letters, 21, 5, pp340-342.
• Herbert C, Jones D, Kaszubowska-Anandarajah A, Kelly B, Rensing M, O'Carroll J, Phelan R, Anandarajah P, Perry P, Barry LP, O'Gorman J. 2009. Discrete mode lasers for communication applications. Iet Optoelectronics, 3, 1, pp1-17.
• Girault G, Clarke AM, Reid D, Guignard C, Bramerie L, Anandarajah P, Barry LP, Simon JC, Harvey J. 2008. Analysis of bit rate dependence up to 80 Gbit/s of a simple wavelength converter based on XPM in a SOA and a shifted filtering. Optics Communications, 281, 23, pp5731-5738.
• Maher R, Anandarajah PM, Ellis AD, Reid D, Barry LP. 2008. Optimization of a 42.7 Gb/s wavelength tunable RZ transmitter using a linear spectrogram technique. Optics Express, 16, 15, pp11281-11288.
• O'Riordan C, Connelly MJ, Anandarajah PM, Maher R, Barry LP. 2008. Lyot filter based multiwavelength fiber ring laser actively mode-locked at 10 GHz using an electroabsorption modulator. Optics Communications, 281, 13, pp3538-3541.
• Anandarajah PM, Maher R, Barry LP, Kaszubowska-Anandarajah A, Connoly E, Farrell T, McDonald D. 2008. Characterization of frequency drift of sampled-grating DBR laser module under direct modulation. Ieee Photonics Technology Letters, 20, 1-4, pp72-74.
• Evans I, O'Riordan C, Connelly MJ, Barry LP, Clarke AM, Anandarajah PM. 2007. Investigation of noise suppression, pulse intensity and chirp of an actively mode-locked semiconductor fiber ring laser. Optics Communications, 280, 1, pp142-146.
• Maher RD, Anandarajah PM, Barry LP. 2007. Cavity length independent continuous repetition rate tuning of a self-seeded gain-switched Fabry-Perot laser. Ieee Photonics Technology Letters, 19, 17-20, pp1625-1627.
• Guignard C, Anandarajah PM, Clarke A, Barry LP, Vaudel O, Besnard P. 2007. Experimental Investigation of the Impact of Optical Injection on Vital Parameters of a Gain-Switched Pulse Source. Optics Communications, 277, 1, pp150-155.
• Anandarajah PM, Clarke AA, Guignard C, Bramerie L, Barry LP, Harvey JD, Simon JC. 2007. System-performance analysis of optimized gain-switched pulse source employed in 40-and 80-Gb/s OTDM systems. Journal Of Lightwave Technology, 25, 6, pp1495-1502.
• Maher R, Anandarajah PM, Barry LP. 2007. Optimized Performance Map of an EAM for Pulse Generation and Demultiplexing via FROG Characterisation. Optics Communications, 273, 2, pp500-505.
• Clarke AM, Anandarajah PM, Bramerie L, Guignard C, Maher R, Massoubre D, Shen A, Oudar JL, Barry LP, Simon JC. 2007. 80 Gb/s OTDM System Analysis of a Vertical Microcavity based Saturable Absorber for the Enhancement of Pulse Pedestal Suppression. Ieee Photonics Technology Letters, 19, 5-8, pp321-323.
• O'Brien S, Osborne S, Buckley K, Fehse R, Amann A, O'Reilly EP, Barry LP, Anandarajah P, Patchell J, O'Gorman J. 2006. Inverse Scattering Approach to Multiwavelength Fabry-Perot Laser Design. Physical Review A, 74, 6
• Kaszubowska A, Barry LP, Anandarajah P, Hu L. 2006. Characterization of Wavelength Interleaving in Radio-over-Fiber Systems Employing WDM/SCM. Optics Communications, 260, 1, pp144-149.
• Anandarajah PM, Guignard C, Clarke A, Reid D, Rensing M, Barry LP, Edvell G, Harvey JD. 2006. Optimized pulse source employing an externally injected gain-switched laser diode in conjunction with a nonlinearly chirped grating. Ieee Journal Of Selected Topics In Quantum Electronics, 12, 2, pp255-264.
• Anandarajah P, Rensing M, Barry LP. 2005. Signal degradation due to output filtering of self-seeded gain-switched pulses exhibiting weak inherent side-mode-suppression ratios. Applied Optics, 44, 36, pp7867-7771.
• Clarke A, Connelly MJ, Anandarajah P, Barry LP, Reid D. 2005. Investigation of Pulse Pedastal and Dynamic Chirp Formation on Picosecond Pulses after Propagation through a Semiconductor Optical Amplifier. Ieee Photonics Technology Letters, 17, 9, pp1800-1802.
• Clarke AM, Connelly MJ, Anandarajah P, Barry LP, Reid D. 2005. Investigation of pulse pedestal and dynamic chirp formation on picosecond pulses after propagation through an SOA. Ieee Photonics Technology Letters, 17, 9, pp1800-1802.
• Clarke A, Anandarajah P, Reid D, Edvell G, Barry LP, Harvey J. 2005. Optimized Pulse Source for 40 Gbit/s Systems Based on a Gain-Switched Laser Diode in Conjunction With a Non-Linearly Chirped Grating. Ieee Photonics Technology Letters, 17, 1, pp196-198.
• Clarke A, Anandarajah PM, Reid D, Edvell G, Barry LP, Harvey JD. 2005. Optimized pulse source for 40-Gb/s systems based on a gain-switched laser diode in conjunction with a nonlinearly chirped grating. Ieee Photonics Technology Letters, 17, 1, pp196-198.
• Clarke AM, Anandarajah PM, Barry LP. 2004. Generation of Widely Tunable Picosecond Pulses with Large SMSR by Externally Injecting a Gain Switched Dual Laser Source. Ieee Photonics Technology Letters, 16, 10, pp2344-2346.
• Anandarajah P, Maguire PJ, Clarke A, Barry LP. 2004. Self-seeding of a gain-switched integrated dual-laser source for the generation of highly wavelength-tunable picosecond optical pulses. Ieee Photonics Technology Letters, 16, 2, pp629-631.
• Kaszubowska A, Anandarajah P, Barry LP. 2004. Multifunctional operation of a fiber Bragg grating in a WDM/SCM radio over fiber distribution system. Ieee Photonics Technology Letters, 16, 2, pp605-607.
• Kaszubowska A, Barry LP, Anandarajah P. 2003. Effects of Intermodulation Distortion on the Performance of a Hybrid Radio/Fiber System Employing a Self Pulsating Laser Diode Transmitter. Ieee Photonics Technology Letters, 15, 6, pp852-854.
• Kaszubowska A, Anandarajah P, Barry LP. 2002. Multiple RF Carrier Distribution in a Hybrid Radio/Fiber System Employing a Self-Pulsating Laser Diode Transmitter. Ieee Photonics Technology Letters, 14, 11, pp1599-1601.
• Anandarajah P, Barry LP, Kaszubowska A. 2002. Performance Issues Associated with WDM Optical Systems using Self-Seeded Gain-Switched Pulse Sources due to Mode Partition Noise Effects. Ieee Photonics Technology Letters, 14, 8, pp1202-1204.
• Kaszubowska A, Anandarajah P, Barry LP. 2002. Improved Performance of a Hybrid Radio/Fiber System using Directly Modulated Laser Transmitter with External Injection. Ieee Photonics Technology Letters, 14, 2, pp233-235.
• L. P. Barry, P. Anandarajah and A. Kaszubowska. 2001. Optical Pulse Generation at Frequencies up to 20 GHz Using External-Injection Seeding of a Gain-Switched Commercial Fabry-Perot Laser. Ieee Photonics Technology Letters, 13, 9, pp1014-1016.
• L. P. Barry and P. Anandarajah. 2001. Cross Channel Interference due to Mode Partition Noise in WDM Optical Systems Using Self-Seeded Gain-Switched Pulse Sources. Ieee Photonics Technology Letters, 13, 3, pp242-244.
• L. P. Barry and P. Anandarajah. 1999. Effect of Side Mode Suppression on the Performance of Self-Seeded, Gain-Switched Optical Pulses in Lightwave Communication Systems. Ieee Photonics Technology Letters, 11, 11, pp1360-1362.

Reviews

• S. O¿Brien, F. Smyth, K. Shi, J. O¿Carroll, P. M. Anandarajah, D. Bitauld, S. Osborne, R. Phelan, B. Kelly, J. O¿Gorman, F. H. Peters, B. Roycroft, B. Corbett, and L. P. Barry. 2011. Design, Characterization, and Applications of Index-Patterned Fabry¿P´erot Lasers. Ieee Journal Of Selected Topics In Quantum Electronics, accepted for publication 2011,
• C. Herbert D. Jones, A. Kaszubowska-Anandarajah, B. Kelly, M. Rensing, J. O¿Carroll, R. Phelan, P. Anandarajah, P. Perry, L.P. Barry, and J. O¿Gorman. 2009. Discrete Mode Lasers for Communication Applications. Iet Optoelectronics, 3, pp1-17.

• Colm Browning, Kai Shi, Sylwester Latkowski, Prince Anandarajah,; Frank Smyth,; Barry Cardiff, Richard Phelan,Liam Barry, Performance Improvement of 10Gb/s Direct Modulation OFDM by Optical Injection using Monolithically Integrated Discrete Mode Lasers, 37th European Conference on Optical Communication (ECOC), 18-SEP-11 - 22-SEP-11, Geneva, Switzerland
• Rui Zhou, Sylwester Latkowski, John O'Carroll, Richard Phelan, Liam Barry, Prince Anandarajah, 40nm Wavelength Tunable Gain-Switched Optical Comb Source, 37th European Conference on Optical Communication (ECOC), 18-SEP-11 - 22-SEP-11, Geneva, Switzerland
• P. M. Anandarajah, Generation and Photonic System Applications of Optical Frequency Combs, IX Symposium on Optical Networks and Sensors, 01-JUL-11 - 01-JUL-11, Aveiro, Portugal
• Sylwester Latkowski and P. M. Anandarajah, Optical Frequency Combs and Its Applications, IEEE 13th International Conference on Transparent Optical Networks, 26-JUN-11 - 30-JUN-11, Stockholm, Sweden
• C. Browning, K. Shi, F. Smyth, B. Cardiff, P. Anandarajah, and L. Barry, Direct Modulation Optical OFDM Performance Enhancement by External Optical Injection, Conference on Lasers and Electro-Optics, 22-MAY-11 - 26-MAY-11, Munich, Germany
• Sylwester Latkowski, Yiqing Xu, Stuart Murdoch, Liam Barry and Prince Anandarajah, Optical Comb Generation and Expansion by Gain Switched Discrete Mode Laser Diode, Conference on Lasers and Electro-Optics, 22-MAY-11 - 26-MAY-11, Munich, Germany
• Frank Smyth, Kai Shi, Prince M. Anandarajah, Brendan Roycroft, Brian Corbett, Frank H. Peters and Liam P. Barry, Tunable Slotted Fabry-Pérot Lasers for Agile Optical Networks, Optical Fibre Communication Conference (OFC) 2011, 06-MAR-11 - 10-MAR-11, San Diego, USA
• John O'Carroll, Richard Phelan, Brian Kelly, Prince Anandarajah, Liam Barry and James O'Gorman, Discrete Mode Laser For Uncooled Operation at 10 Gbit/s, International Workshop on High Speed Semiconductor Lasers, (HSSL, 07-OCT-10 - 08-OCT-10, Wroclaw, Poland
• H. Shams, P. M. Anandarajah, P. Perry and L. P. Barry, Photonic Generation and Distribution of a Modulated 60 GHz Signal Using a Directly Modulated Gain Switched Laser, 1st Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2010), 26-SEP-10 - 29-SEP-10, Istanbul, Turkey
• R. Maher, P. M. Anandarajah, S. K. Ibrahim, L. Barry, A. Ellis, P. Perry, R. Phelan, B. Kelly, J. O'Gorman, Low Cost Comb Source in a Coherent Wavelength Division Multiplexed System, 36th European Conference on Optical Communications, 19-SEP-10 - 23-SEP-10, Turin, Italy
• P. M. Anandarajah, H. Shams, P. Perry and L. P. Barry, Gain Switching for the Optical Generation of Modulated Millimetre Waves, IEEE 12th International Conference on Transparent Optical Networks, 27-JUN-10 - 01-JUL-10, Munich, Germany
• H. Shams, P. M. Anandarajah, P. Perry, and L.P. Barry, Optical Generation of 60 GHz Downstream Data in Radio over fibre systems using a direct modulated gain switched laser,, Research Colloquium on Wireless as an Enabling Technology, 22-APR-10 - 22-APR-10, Dublin, Ireland
• F. Smyth, L. Barry, Kai Shi, C. Browning, D. Reid, P. M. Anandarajah and P. Perry, Coherent optical transmission architecture based on RF demodulation techniques, Research Colloquium on Wireless as an Enabling Technology, 22-APR-10 - 22-APR-10, Dublin, Ireland
• R. Maher, P. M. Anandarajah, L. P. Barry and J. M. Dudley, High repetition rate pulse train generation at GHz repetition rates from nonlinear breather reshaping in standard single mode fibre, SPIE Photonics Europe International Symposium, 12-APR-10 - 16-APR-10, Brussels, Belgium
• H. Shams, P. M. Anandarajah, P. Perry, and L.P. Barry, Optical Generation and Wireless Transmission of 60 GHz OOK Signals Using Gain Switched Laser, Optical Fibre Communication Conference (OFC) 2009, 21-MAR-10 - 25-MAR-10, San Diego, California
• R. Maher, L. P. Barry and P. M. Anandarajah, Cost Efficient Directly Modulated DPSK Downstream Transmitter and Colourless Upstream Remodulation for Full-duplex WDM-PONs, Optical Fibre Communication Conference (OFC) 2009, 21-MAR-10 - 25-MAR-10, San Diego, California
• K. Shi, F. Smyth, D. Reid, R. Maher, B. Roycroft, B. Corbett, F. H. Peters, P. Anandarajah, L. P. Barry, Self-Coherent Optical Transmission Using a Narrow Linewidth Tunable Slotted Fabry-Perot Laser, Optical Fibre Communication Conference (OFC) 2009, 21-MAR-10 - 25-MAR-10, San Diego, California
• F. Smyth, Kai Shi, P. M. Anandarajah, D. Reid and L. P. Barry, Influence of SG-DBR Laser Linewidth on 10.7 Gb/s DPSK and OOK Transmission, In: Th. 3.5.3, Vienna, 20-24 September 2009 ed.34th European Conference on Optical Communication, 20-SEP-09 - 24-SEP-09, Vienna, Austria
• K. Shi, R. Maher, P. M. Anandarajah, D. Reid, F. Smyth and L. P. Barry, Chirp Reduction of a Directly Modulated SG DBR Tunable Laser Suitable for Implementation in Short Reach WDM Networks, Photonics Ireland, 14-SEP-09 - 16-SEP-09, Kinsale, Cork
• H. Shams, P. M. Anandarajah, P. Perry, and L. P. Barry, Gigabit Millimeter Wave Local Area Networking using Photonic Distribution, Photonics Ireland, 14-SEP-09 - 16-SEP-09, Kinsale, Cork
• P. M. Anandarajah and L. P. Barry, Cost Efficient Pulse Source for Return-to-Zero Differential Phase Shift Keyed Transmission Systems, IEEE 11th International Conference on Transparent Optical Networks, 28-JUN-09 - 02-JUL-09, Azores, Portugal,
• Haymen Shams Eldin, Aleksandra Kaszubowska, Philip Perry, Liam Barry, and Prince Anandarajah, Fiber Distribution of IR-UWB Signals Based on an Externally Injected Gain Switched Laser, CLEO Europe, 14-JUN-09 - 19-JUN-09, Munich, Germany
• Kai Shi, P. M. Anandarajah, D. Reid, F. Smyth, L. P. Barry, Yonglin Yu, SG-DBR Tunable Laser Linewidth and its Impact on Advanced Modulation Format Transmission, CLEO Europe, 14-JUN-09 - 19-JUN-09, Munich, Germany
• P. M. Anandarajah, L. P. Barry, A. Kaszubowska, J. O¿Carroll, R. Phelan, C. Herbert, A. F. Duke, Bo Cai and J. O¿Gorman, Highly Coherent Picosecond Pulse Generation with Sub-ps Jitter and High SMSR by Gain Switching Discrete Mode Laser Diodes at 10 GHz Line Rate, Optical Fibre Communication Conference (OFC), 22-MAR-09 - 26-MAR-09, San Diego, California
• L. P. Barry, A. M. Kaszubowska, C. Herbert, J. O'Gorman, D. Jones, B. Kelly, R. Phelan, J. O'Carroll, P. M. Anandarajah, P. Perry, Discrete Mode Lasers for Communications Applications, SPIE Photonics West, 29-JAN-09 - 24-JAN-09, San Jose, California
• R. Maher, P.M. Anandarajah, D.A. Reid and L.P. Barry, Optimised Performance Analysis of a Wavelength Tuneable 42.7 Gb/s EAM Based RZ Transmitter over 1500 km of SMF, China-Ireland International Conference on Information and Communications Technologies (CIICT2007), 28-AUG-08 - 29-AUG-08, Beijing
• C. O'Riordan, M. J. Connelly, P. M. Anandarajah, R. Maher, L. P. Barry, Triple-wavelength fiber ring laser based on a hybrid gain medium actively mode-locked at 10 GHz, 6th International Symposium Communication Systems, Networks and Digital Signal Processing, 23-JUN-08 - 25-JUN-08, Graz, Austria
• P. M. Anandarajah, Wavelength Tunable Lasers in Future Optical Communication Systems, IEEE 10th International Conference on Transparent Optical Networks (ICTON), 22-JUN-08 - 26-JUN-08, Athens, Greece
• Robert D. Maher, Prince M. Anandarajah, Liam P. Barry, Complete Performance Analysis of a 3.5 ps Pulse Source Consisting of a Gain-Switched Laser Diode Followed by a Nonlinearly Chirped Grating, CLEO, 04-MAY-08 - 09-MAY-08, San Jose, California
• Aleksandra M. Kaszubowska-Anandarajah, Arvind Mishra, Andrew Ellis, Liam P. Barry, Prince M. Anandarajah, Philip Perry, Douglas Reid, James O¿Gorman, Richard Phelan, Brian Kelly, Cost Efficient Narrow Linewidth Laser Transmitter for Coherent Detection, CLEO, 04-MAY-08 - 09-MAY-08, San Jose, California
• R. Phelan, B. Kelly, D. Jones, C. Herbert, J. O¿Carroll, M. Rensing, B. Cai, A. Kaszubowska-Anandarajah, P. Perry, Jennifer Stopford, P. Anandarajah, L. P. Barry, J. O¿Gorman, Discrete Mode Laser Diodes with Ultra Narrow Linewidth Emission < 3kHz, OFC, 24-FEB-08 - 29-FEB-08, San Diego, California
• P. Anandarajah, R. Maher and L.P. Barry,, Continuous Repetition Rate Tuning with Timing Window Independent Self-Seeding of a Gain-Switched Fabry-Perot Laser, LEOS, 21-OCT-07 - 25-OCT-07, Orlando, Florida
• R. Maher, P. Anandarajah, E. Connolly, A. Kaszubowska, and L.P. Barry, Frequency Drift Characterisation of Directly Modulated SGDBR Tunable Lasers, LEOS, 21-OCT-07 - 25-OCT-07, Orlando, Florida
• Maher R, Anandarajah P. M, and Barry L. P, Frequency Drift Characterization of a Directly Modulated SG-DBR Tunable Laser, Photonics Ireland, 24-SEP-07 - 24-SEP-07, Galway, Ireland
• P. M. Anandarajah, Optical Pulse Generation for Optical Time Division Multiplexed Systems, Photonics Ireland, 24-SEP-07 - 26-SEP-07, Galway, Ireland
• Colm O'Riordan, Michael J. Connelly, Prince M. Anandarajah, Robert Maher, Liam P. Barry,, Lyot Filter based Multiwavelength Fiber Ring Laser Actively Modelocked at 10 GHz using an Electroabsorption Modulator, Photonics Ireland, 24-SEP-07 - 26-SEP-07, Galway, Ireland
• Kaszubowska-Anandarajah A, Barry L. P, Anandarajah P. M, Guignard C, Kelly B, O¿Gorman V, Feedback effects on performance of DM and DFB lasers in RoF systems, 33rd European Conference on Optical Communication, 16-SEP-07 - 20-SEP-07, Berlin, Germany
• O'Riordan. C, Connelly. M. J, Evans. I, Anandarajah P. M, Maher R and Barry L. P, Multiwavelength Fibre Ring Laser Incorporating a Lyot Filter and Hybrid Gain Medium Actively Mode-locked using a Birefringence Compensated LiNb03 Modulator, China-Ireland International Conference on Information and Communications Technologies, 28-AUG-07 - 29-AUG-07, Dublin, Ireland
• Maher R, Anandarajah P. M, Connolly E, Kaszubowska A, and Barry L.P., Frequency Drift Characterization of a SG-DBR Tunable Laser, China-Ireland International Conference on Information and Communications Technologies, 28-AUG-07 - 29-AUG-07, Dublin, Ireland
• Anandarajah. P. M and Barry L. P, Cost-Efficient Pulse Source for Broadband Photonic Communication Systems, IEEE International Conference on Transparent Optical Networks 2007, 01-JUL-07 - 05-JUL-07, Rome, Italy
• O'Riordan. C, Connelly. M. J, Evans. I, Anandarajah P. M, Maher R and Barry L. P, Actively mode-locked multiwavelength fibre ring laser incorporating a Lyot filter, hybrid gain medium and birefringence compensated LiNbO3 modulator, IEEE 9th International Conference on Transparent Optical Networks,, 01-JUL-07 - 05-JUL-07, Rome, Italy
• Connelly M. J, Clarke A, Anandarajah P. M, and Barry L. P, 13th European Conference on Integrated Optics, Numerical Analysis of Picosecond Pulse Propagation in a Tensile Strained Semiconductor Optical Amplifier with Parameter Extraction Using Frequency Resolved Optical Gating, 25-APR-07 - 27-APR-06, Copenhagen, Denmark
• Maher R, Anandarajah P, Clarke A, Guignard C, Barry L. P, Bramerie L and Harvey J, Performance of Pulse Source consisting of an Externally Injected Gain-Switched Laser followed by a Nonlinearly/Linearly Chirped Grating in an 80 Gb/s OTDM System, 19th IEEE Laser and Electro-optic Society Annual Meeting, 29-OCT-06 - 02-NOV-06, Montreal, Canada
• Clarke A. M,Girault G, Anandarajah P, Guignard C, Bramerie L, Barry L. P, Simon J. C and Harvey J, FROG characterisation of SOA-based wavelength conversion using XPM in conjunction with shifted filtering up to line rates of 80 GHz, 19th IEEE Laser and Electro-optic Society Annual Meeting, 29-OCT-06 - 02-NOV-06, Montreal, Canada
• Anandarajah P. M,Clarke A, Guignard C, Barry L. P,Reid D and Harvey J. D, Optimized Pulse Source for use in Broadband Photonic Communication Systems, China-Ireland International Conference on Information and Communications Technologies 2006, 18-OCT-06 - 19-OCT-06, Hangzhou, China
• Anandarajah P, Clarke A, Guignard C, Bramerie L, Barry L. P, Harvey J and Simon J. C, Performance of 80 Gb/s OTDM System Employing Gain-Switched Pulses Compressed by a Linearly and a Nonlinearly Chirped Grating, 32nd European Conference on Optical Communication, 24-SEP-06 - 28-SEP-06, Cannes, France
• Clarke A. M, Anandarajah P. M, Bramerie L, Guignard C, Massoubre D, Shen A, Oudar A. L, Barry L. P and Simon J. C, Enhancement of System Performance in 80Gb/s OTDM systems by using a Vertical Microcavity based Saturable Absorber, 32nd European Conference on Optical Communication, 24-SEP-06 - 28-SEP-06, Cannes, France
• Anandarajah .P. M, Clarke .A, Guignard .C and Barry L. P, Shaping of Externally Injected Gain-Switched Pulses using a Tailor Made Non-linearly Chirped Fibre Bragg Grating, International Symposium on Materials and Devices for Nonlinear Optics, 27-JUN-06 - 29-JUN-06, Dingle-Ireland
• Maher .R, Anandarajah P. M and Barry L. P, Generation and Characterisation of 40 GHz Picosecond Optical Pulses Generated Using an EAM, IEEE International Conference on Transparent Optical Networks 2006, 18-JUN-06 - 22-JUN-06, Nottingham, England
• Osborne .S. W, O¿Brien. S., Fehse .R, O¿Reilly .E. P, Barry .L, Anandarajah .P, Patchell .J and O¿Gorman .J, Self-Pulsation at 480 GHz from a Two-Color Discrete Mode Laser Diode, The Conference on Lasers and Electro-Optics/International Quantum Electronics (CLEO/QELS 2006), 21-MAY-06 - 26-MAY-06, Long Beach-California, USA
• A. Clarke, M. Rensing, P. Anandarajah, L.P. Barry, J.D. Harvey, D. Reid, G. Edvell, and C. Guignard, Pulse Source for 80 Gb/s Systems using a Gain-Switched Laser Diode followed by a Nonlinearly Chirped Grating, 18th Laser and Electro Optic Society Annual Meeting, 23-OCT-05 - 27-OCT-05, Sydney, Australia
• A. Clarke, M. Rensing, D. Reid, P. Anandarajah, L. P. Barry, J. Harvey and G. Edvell, 80 Gb/s Optimised Pulse Source using a Gain-Switched Laser Diode in Conjunction with a Nonlinearly Chirped Grating, 31st European Conference on Optical Communication, 25-SEP-05 - 29-SEP-05, Glasgow, Scotland
• M. J. Connelly, A. Clarke, P. M. Anandarajah, and L. P. Barry, Numerical Analysis of Pulse Pedestal and Dynamic Chirp Formation on Picosecond Modelocked Laser Pulses after Propagation through a Semiconductor Optical Amplifier, 5th International Conference Numerical Simulation of Optoelectronic Devices, 19-SEP-05 - 22-SEP-05, Berlin, Germany
• M. Rensing, P.M. Anandarajah and L.P. Barry, Effects of Weak Input Side Mode Suppression Ratio and Output Filtration on the Intensity Noise of Self-Seeded Gain Switched Optical Pulses at 2.5GHz, International Conference on Transparent Optical Networks 2005, 03-JUL-05 - 07-JUL-05, Barcelona, Spain
• Aisling Clarke, Marc Rensing, Prince Anandarajah, Liam Barry, John Harvey and Goran Edvell, 80 Gb/s Optimised Pulse Source using a Gain-Switched Laser Diode in Conjunction with a Nonlinearly Chirped Grating, International Conference on Transparent Optical Networks 2005, 03-JUL-05 - 07-JUL-05, Bacerlona, Spain
• A. Clarke, D. Reid, P. Anandarajah, and L.P. Barry, Characterisation of Picosecond Optical Pulses Propagating Through a Semiconductor Optical Amplifier Using Frequency Resolved Optical Gating, SPIE OPTO-Ireland, 04-APR-05 - 06-APR-05, Dublin, Ireland
• A. Kaszubowska, A. Clarke, D. Reid, G. Edvell, S. Roumieux, P. Anandarajah, L.P. Barry and J.D. Harvey, Optimized Pulse Source Based on a Gain-Switched Laser Diode in Conjunction With a Non-Linearly Chirped Grating for 40 Gbit/s Systems, LEOS Annual Meeting, 07-NOV-04 - 11-DEC-04, San Juan, Puerto Rico
• A. Kaszubowska, L.P. Barry and P. Anandarajah, Characterization of Wavelength Interleaving in Radio/Fiber Systems Employing WDM/SCM, LEOS Annual Meeting, 07-NOV-04 - 12-NOV-04, San Juan, Puerto Rico
• P. J. Maguire, A. M. Clarke, C. Mulligan, P. M. Anandarajah and L. P. Barry, Wavelength-Tunable Transform-Limited Optical Pulse Generation using External-Injection of Two Fabry-Perot Gain-Switched Laser Diodes at 10GHz , Emerging Technologies in Optical Sceinces, 26-JUL-04 - 29-JUL-04, Cork, Ireland
• A. M. Clarke, P. Anandarajah, L. P. Barry and D. A. Reid, Characterisation of Picosecond Pulses Propagating through a Semiconductor Optical Amplifier using Frequency Resolved Optical Gating, Emerging Technologies in Optical Sceinces, 26-JUL-04 - 29-JUL-04, Cork, Ireland
• A. M. Clarke, P. Anandarajah, P. J. Maguire and L. P. Barry, External Injection of a Dual Laser Source for the Generation of Widely Tunable Picosecond Pulses with Large SMSR, The Conference on Lasers and Electro-Optics/International Quantum Electronics (CLEO 2004), 17-MAY-04 - 21-MAY-04, San Francisco, U.S.A
• P. J. Maguire, P. Anandarajah, L. P. Barry and A. Kaszubowska, Generation of Wavelength Tunable Optical Pulses with SMSR Exceeding 50 dB by Self-Seeding a Gain Switched Source Containing Two FP Lasers, 16th LEOS Annual Meeting, 27-OCT-03 - 30-OCT-03, Tucson, Arizona
• A. Kaszubowska, L. P. Barry and P. Anandarajah, Multi Functional Operation of a Fibre Bragg Grating in WDM/SCM Radio over Fibre Distribution System, 16th LEOS Annual Meeting, 27-OCT-03 - 30-OCT-03, Tucson, Arizona
• A. Kaszubowska, P. Anandarajah, and L.P. Barry, Developing broadband hybrid radio/fiber networks using wavelength division multiplexing and sub-carrier division multiplexing techniques, Information Technology and Telecommunication Conference, 22-OCT-03 - 23-OCT-03, Letterkenny, Ireland
• A. Kaszubowska, L. P. Barry and P. Anandarajah, Development of Highly Flexible Broadband Networks Incorporating Wavelength Division Multiplexing and Sub-Carrier division Multiplexing in a Hybrid Radio/Fibre Distribution System, IEEE 5th International Conference on Transparent Optical Networks, 30-MAY-03 - 03-JUN-03, Warsaw, Poland
• A. Kaszubowska, L. P. Barry, P. Anandarajah, Self Pulsating Laser Diode for the Generation of Multiple Data Channels in Hybrid Radio/Fiber Systems, 15th LEOS Annual Meeting, 11-NOV-02 - 15-NOV-02, Glasgow, Scotland
• L.P. Barry, P. Anandarajah, S. Del burgo, R.T. Watts, D.A Reid and J. Harvey, Optimization of 40 Gbit/s Transmission Systems using Frequency Resolved Optical Gating Characterization Techniques, 15th LEOS Annual Meeting, 11-NOV-02 - 15-NOV-02, Glasgow, Scotland
• P. Anandarajah, L. P. Barry and A. Kaszubowska, Performance Issues Associated With WDM Optical Systems using Self-Seeded Gain Switched Pulse Sources, SPIE Regional Meeting on Optoelectronics, Photonics and Imaging, Opto-Ireland, 05-SEP-02 - 06-SEP-02, Galway, Ireland
• A. Kaszubowska, L. P. Barry, P. Anandarajah, Hybrid Radio/Fiber System Employing SCM for the Distribution of Multiple RF Carriers with a Directly Modulated Laser Transmitter, SPIE Regional Meeting on Optoelectronics, Photonics and Imaging, Opto-Ireland 2002, 05-SEP-02 - 06-SEP-02, Galway, Ireland
• P. Anandarajah, L. P. Barry and A. Kaszubowska, BER Measurements on WDM Optical Systems using Self-Seeded Gain Switched Pulse Sources, 7th Opto-Electronics Communications Conference (OECC 2002), 08-JUL-02 - 12-JUL-02, Yokohama, Japan
• A. Kaszubowska, L. P. Barry and P. Anandarajah, Multiple RF Carrier Distribution using a Hybrid Radio/Fiber System Based on a Directly Modulated Laser Transmitter with External Injection, XI National Symposium on Radio Technology, URSI, 14-MAR-02 - 15-MAR-02, Poznan, Poland
• A. Kaszubowska, L. P. Barry and P. Anandarajah, Optical Generation of Millimetre-Wave Frequencies for Hybrid Radio/Fiber Systems, 1st Joint IEI/IEE Symposium on Telecommunications Systems Research, 27-NOV-01 - 27-NOV-01, Dublin, Ireland
• A. Kaszubowska, L. P. Barry and P. Anandarajah, Enhanced Performance of an Optically Fed Microwave Communication System using Directly Modulated Laser Transmitter with External Injection, IEEE 14th LEOS Annual Meeting, 11-NOV-01 - 15-NOV-01, San Diego, California
• P. Anandarajah and L. P. Barry, Effect of Cross Channel Interference on the BER of WDM Optical Systems Using Self-Seeded Gain-Switched Pulse Sources, IEEE 14th LEOS Annual Meeting, 11-NOV-01 - 15-NOV-01, San Diego, California
• A. Kaszubowska, P. Anandarajah, L. Barry, Hybrid Radio/Fiber Distribution System Based on a Directly Modulated Laser Transmitter with External Injection, IEEE High Frequency Postgraduate Student Colloquium, 09-SEP-01 - 10-SEP-01, Cardiff, Wales
• P. Anandarajah, L. P. Barry and A. Kaszubowska, Cross Channel Interference Due to Mode Partition Noise in WDM Systems, High Frequency Postgraduate Student Colloquium, 09-SEP-01 - 10-SEP-01, Cardiff, Wales
• P. Anandarajah, L. P. Barry and A. Kaszubowska, Cross Channel Interference Due to Mode Partition Noise in WDM Optical Systems, IEEE 3rd International Conference on Transparent Optical Networks, 18-JUN-01 - 21-JUN-01, Krakow, Poland
• A. Kaszubowska, L. P. Barry, P. Anandarajah, Generation of Optical Microwave Signals using Laser Diodes with Enhanced Modulation Response for Hybrid Radio/Fiber Systems, IEEE 3rd International Conference on Transparent Optical Networks, 18-JUN-01 - 21-JUN-01, Krakow, Poland
• L. P. Barry, P. Anandarajah and A. Kaszubowska, Optical Pulse Generation at 18 GHz using External Injection Seeding of Gain Switched Commercial Fabry Perot Laser, IEEE LEOS conference, 13-NOV-00 - 16-NOV-00, San Juan, Puerto Rico
• A. Kaszubowska, P. Anandarajah, L. P. Barry, Optically Fed Microwave System using Laser Diodes with Enhanced Modulation Bandwidth, IEEE High Frequency Postgraduate Student Colloquium, 07-SEP-00 - 08-SEP-00, Dublin, Ireland
• P. Anandarajah, A. Kaszubowska and L. P. Barry, High Frequency Pulse Generation Using a Gain Switched Commercial Semiconductor Laser with Strong External Injection, IEEE High Frequency Postgraduate Student Colloquium, 07-SEP-00 - 08-SEP-00, Dublin, Ireland