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  • 2019
  • 2018
  • 2017
  • 2015

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  • Paul Harper
2019

Distributed Pumping Architecture to Improve the Noise Performance of Broadband Discrete Raman Amplifier

Iqbal, M. A., Krzczanowicz, L., Philips, I. D., Harper, P. & Forysiak, W., 22 Apr 2019, 2019 Optical Fiber Communications Conference and Exhibition, OFC 2019 - Proceedings. Optical Society of America, 8696365

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Distributed Raman Amplification Design for Fibre Nonlinearity Compensation with Mid-Link Optical Phase Conjugation

Tan, M., Al-khateeb, M. A. Z., Zhang, T., Harper, P. & Ellis, A. D., 19 Sep 2019, 21st International Conference on Transparent Optical Networks, ICTON 2019. IEEE, Vol. 2019-July. 8840568. (2019 21st International Conference on Transparent Optical Networks (ICTON)).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Linear and Nonlinear Noise Characterisation of Dual Stage Broadband Discrete Raman Amplifiers

Iqbal, M. A., Al-Khateeb, M. A. Z., Krzczanowicz, L., Phillips, I. D., Harper, P. & Forysiak, W., 15 Jul 2019, In : Journal of Lightwave Technology. 37, 14, p. 3679-3688 10 p., 8723646.

Research output: Contribution to journalArticle

Open Access
File

Noise Performance Improvement of Broadband Discrete Raman Amplifiers Using Dual Stage Distributed Pumping Architecture

Iqbal, M. A., Krzczanowicz, L., Philips, I. D., Harper, P. & Forysiak, W., 15 Jul 2019, In : Journal of Lightwave Technology. 37, 14, p. 3665-3671 7 p., 8723558.

Research output: Contribution to journalArticle

Performance characterization of broadband discrete Raman amplifier with high capacity transmission formats

Krzczanowicz, L., Iqbal, M. A., Phillips, I., Harper, P. & Forysiak, W., 5 Nov 2019, 2019 Asia Communications and Photonics Conference, ACP 2019 - Proceedings. Optical Society of America, M3B.2. (Asia Communications and Photonics Conference, ACP; vol. 2019-November).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Performance Estimation of Discrete Raman Amplification within Broadband Optical Networks

Krzczanowicz, L., Al-khateeb, M. A. Z., Iqbal, M. A., Phillips, I., Harper, P. & Forysiak, W., 22 Apr 2019, 2019 Optical Fiber Communications Conference and Exhibition, OFC 2019 - Proceedings. Optical Society of America, 8696796

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Recent Advances in Discrete Raman Amplifiers and their Applications to Wideband Optical Networks

Krzczanowicz, L., Iqbal, M. A., Al-khateeb, M. A. Z., Phillips, I. D., Harper, P. & Forysiak, W., 19 Sep 2019, 21st International Conference on Transparent Optical Networks, ICTON 2019. IEEE, Vol. 2019-July. 8840021. (2019 21st International Conference on Transparent Optical Networks (ICTON)).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2018

Analysis of the nonlinear Kerr effects in optical transmission systems that deploy optical phase conjugation

Al-Khateeb, M., Iqbal, M. A., Tan, M., Ali, A., McCarthy, M. E., Harper, P. & Ellis, A. D., 29 Jan 2018, In : Optics Express. 26, 3

Research output: Contribution to journalArticle

Open Access
File

Characterisation of Linear and Nonlinear Noise of a Dual-Stage Broadband Discrete Raman Amplifier

Iqbal, M. A., Krzczanowicz, L., Al-Khateeb, M., Phillips, I. D., Tan, M., Harper, P. & Forysiak, W., 15 Nov 2018, 2018 European Conference on Optical Communication (ECOC). IEEE

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File

Digital Back-Propagation Performance in Wideband Optical Fibre Transmission Systems

Galdino, L., Saavedra Mondaca, G., Semrau, D., Elson, D. J., Lavery, D., Tan, M., Iqbal, M. A., Harper, P., Killey, R. I. & Bayvel, P., 26 Apr 2018, 2017 European Conference on Optical Communication (ECOC). IEEE

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Enhanced Long-haul Transmission Using Forward Propagated Broadband First Order Raman Pump

Iqbal, M. A., Tan, M. & Harper, P., 26 Apr 2018, 2017 European Conference on Optical Communication (ECOC). IEEE

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Enhanced Transmission Performance Using Backward-Propagated Broadband ASE Pump

Iqbal, M. A., Tan, M. & Harper, P., 30 Mar 2018, In : IEEE Photonics Technology Letters. p. 1-1

Research output: Contribution to journalArticle

Open Access
File

Evaluation of RIN Mitigated Dual Order Bidirectional Distributed Raman Amplification Using a Broadband First Order Forward Pump

Iqbal, M. A., Tan, M. & Harper, P., 26 Apr 2018, 2017 European Conference on Optical Communication (ECOC). IEEE

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Experimental demonstration of 72% reach enhancement of 3.6Tbps optical transmission system using mid-link Optical Phase Conjugation

Al-Khateeb, M., Tan, M., Iqbal, M., Ali, A., McCarthy, M. E., Harper, P. & Ellis, A. D., 31 Aug 2018, In : Optics Express. 26, 18, p. 23960-23968

Research output: Contribution to journalArticle

Open Access
File

Improved design of ultra-wideband discrete raman amplifier with low noise and high gain

Iqbal, M. A., Harper, P. & Forysiak, W., 5 Jul 2018, Nonlinear Photonics, NP 2018. Optical Society of America, Vol. Part F108-NP 2018.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Inter-channel Stimulated Raman Scattering and its Impact in Wideband Transmission Systems

Saavedra, G., Semrau, D., Tan, M., Iqbal, M. A., Elson, D. J., Galdino, L., Harper, P., Killey, R. I. & Bayvel, P., 15 Mar 2018, Optical Fiber Communication Conference 2018. Optical Society of America, p. Th1C.3

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Low penalty, dual stage, broadband discrete Raman amplifier for high capacity WDM metro networks

Krzczanowicz, L., Iqbal, M. A., Phillips, I., Tan, M., Skvortcov, P., Harper, P. & Forysiak, W., 15 Mar 2018, Optical Fiber Communication Conference 2018. Optical Society of America, p. W3D.3

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File

Low transmission penalty dual-stage broadband discrete Raman amplifier

Krzczanowicz, L., Iqbal, M. A., Phillips, I. D., Tan, M., Skvortcov, P., Harper, P. & Forysiak, W., 8 Mar 2018, In : Optics Express. 26, 6, p. 7091-7097

Research output: Contribution to journalArticle

Open Access
File

Nonlinear Noise of Low Transmission Penalty Dual-Stage Discrete Raman Amplifier

Krzczanowicz, L., Iqbal, M. A., Phillips, I. D., Al-Khateeb, M., Tan, M., Harper, P. & Forysiak, W., 20 Nov 2018, In : IEEE Photonics Technology Letters. 30, 23, p. 2076 - 2079

Research output: Contribution to journalArticle

Open Access
File
Open Access
File

RIN Transfer Mitigation Technique Using Broadband Incoherent Pump in Distributed Raman Amplified Transmission Systems

Iqbal, M. A., Tan, M. & Harper, P., 27 Sep 2018, 2018 20th International Conference on Transparent Optical Networks (ICTON). IEEE, 8473635. (2018 20th International Conference on Transparent Optical Networks (ICTON)).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File

Transmission Performance Improvement Using Broadband Incoherent Counter-Pumped Distributed Raman Amplification

Iqbal, M. A., Harper, P. & Tan, M., 15 Mar 2018, Optical Fiber Communication Conference 2018. Optical Society of America, p. Th1C.2

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File
2017

Experimental Analysis of Nonlinear Impairments in Fibre Optic Transmission Systems up to 7.3 THz

Saavedra Mondaca, G., Tan, M., Elson, D. J., Galdino, L., Semrau, D., Iqbal, M. A., Phillips, I. D., Harper, P., MacSuibhne, N., Ellis, A. D., Lavery, D., Thomsen, B. C., Killey, R. I. & Bayvel, P., 5 Oct 2017, In : Journal of Lightwave Technology. 35, 21, p. 4809 - 4816

Research output: Contribution to journalArticle

Open Access
File

Experimental investigation of nonlinear signal distortions in ultra-wideband transmission systems

Saavedra, G., Tan, M., Elson, D. J., Galdino, L., Semrau, D., Iqbal, M. A., Phillips, I., Harper, P., MacSuibhne, N., Ellis, A., Lavery, D., Thomsen, B. C., Killey, R. & Bayvel, P., 23 Mar 2017, Optical Fiber Communication Conference 2017. Optical Society of America

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Four wave mixing in distributed Raman amplified optical transmission systems

Al-Khateeb, M. A. Z., Tan, M., Iqbal, M. A., McCarthy, M., Harper, P. & Ellis, A. D., 23 Jan 2017, 2016 IEEE Photonics Conference, IPC. IEEE, p. 795-796 2 p. ThB1.1

Research output: Chapter in Book/Report/Conference proceedingConference contribution

High gain, flattened, discrete raman fiber amplifier and its transmission performance

El-Taher, A., Tan, M., Iqbal, M. A., Krzczanowicz, L., Phillips, I. D., Forysiak, W. & Harper, P., 29 Jun 2017, The European Conference on Lasers and Electro-Optics, CLEO_Europe 2017. Optical Society of America, Vol. Part F82-CLEO_Europe 2017.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Hybrid discrete Raman/EDFA design for broadband optical amplification in metro WDM systems

Krzczanowicz, L., Phillips, I., Iqbal, M. A., Tan, M., Harper, P. & Forysiak, W., 4 Sep 2017, ICTON 2017 - 19th International Conference on Transparent Optical Networks. IEEE, p. 1-4 4 p. 8025083

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File

In-line and cascaded DWDM transmission using a 15dB net-gain polarization-insensitive fiber optical parametric amplifier

Stephens, M. F. C., Tan, M., Gordienko, V., Harper, P. & Doran, N. J., 25 Sep 2017, In : Optics Express. 25, 20, p. 24312-24325

Research output: Contribution to journalArticle

Open Access
File

Mitigating RIN-penalty to enhance the transmission performance in distributed Raman amplification system

Tan, M., Iqbal, M. A., Turitsyn, S. K. & Harper, P., 17 Nov 2017, 2017 Opto-Electronics and Communications Conference, OECC 2017 and Photonics Global Conference, PGC 2017. IEEE, Vol. 2017-November. p. 1-3 3 p. (2017 Opto-Electronics and Communications Conference (OECC) and Photonics Global Conference (PGC)).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File

Noise and transmission performance improvement of broadband distributed Raman amplifier using bidirectional Raman pumping with dual order co-pumps

Iqbal, M. A., Tan, M., Krzczanowicz, L., El-Taher, A., Forysiak, W., Ania-Castañón, J. D. & Harper, P., 24 Oct 2017, In : Optics Express. 25, 22, p. 27533-27542 10 p.

Research output: Contribution to journalArticle

Open Access
File

Optimal balance of RIN and ASE impairments in ultra-long raman laser amplified 10 × 30 GBaud DP-QPSK transmission

Gallazzi, F., Rizzelli, G., Iqbal, M. A., Tan, M., Harper, P. & Ania-Castaño´n, J. D., 29 Jun 2017, The European Conference on Lasers and Electro-Optics, CLEO_Europe 2017. Optical Society of America, Vol. Part F82-CLEO_Europe 2017.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Performance characterization of high gain, high output power and low noise cascaded broadband discrete Raman amplifiers

Iqbal, M. A., Tan, M., Krzczanowicz, L., Skvortcov, P., El-Taher, A., Philips, I. D., Forysiak, W., Ania-Castanon, J. D. & Harper, P., 4 Sep 2017, ICTON 2017 - 19th International Conference on Transparent Optical Networks. IEEE, 8025082

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File

Performance optimization in ultra-long Raman laser amplified 10x30 GBaud DP-QPSK transmission: Balancing RIN and ASE noise

Gallazzi, F., Rizzelli, G., Iqbal, M. A., Tan, M., Harper, P. & Ania-Castañón, J. D., 24 Aug 2017, In : Optics Express. 25, 18, p. 21454-21459 6 p.

Research output: Contribution to journalArticle

Open Access
File

Raman fibre laser based amplification in long-haul/unrepeatered coherent transmission systems

Tan, M., Rosa, P., Iqbal, M. A., Le, S. T., Phillips, I. D., Turitsyn, S. K. & Harper, P., 4 Sep 2017, ICTON 2017 - 19th International Conference on Transparent Optical Networks. IEEE, 8025050

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File

RIN and transmission performance improvement using second order and broadband first order forward Raman pumping

Iqbal, M. A., Tan, M., El-Taher, A. & Harper, P., 17 Nov 2017, 2017 Opto-Electronics and Communications Conference, OECC 2017 and Photonics Global Conference, PGC 2017. IEEE, Vol. 2017-November. p. 1-4 4 p. (2017 Opto-Electronics and Communications Conference (OECC) and Photonics Global Conference (PGC)).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File

RIN Mitigation and Transmission Performance Enhancement with Forward Broadband Pump

Tan, M., Rosa, P., Le, S. T., Dvoyrin, V. V., Iqbal, M. A., Sugavanam, S., Turitsyn, S. K. & Harper, P., 16 Dec 2017, In : IEEE Photonics Technology Letters. p. 1-1

Research output: Contribution to journalArticle

Open Access
File

RIN-penalty mitigation and transmission performance improvement using forward propagated broadband first order Raman pump

Tan, M., Iqbal, M. A., Krzczanowicz, L., Phillips, I. D., El-Taher, A., Forysiak, W. & Harper, P., 17 Nov 2017, 2017 Opto-Electronics and Communications Conference, OECC 2017 and Photonics Global Conference, PGC 2017. IEEE, Vol. 2017-November. p. 1-3 3 p. (2017 Opto-Electronics and Communications Conference (OECC) and Photonics Global Conference (PGC)).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File

RIN reduction technique for dual order forward pumped distributed Raman amplification

Iqbal, M. A., Tan, M. & Harper, P., 29 Jul 2017, The European Conference on Lasers and Electro-Optics, CLEO_Europe 2017. Optical Society of America, Vol. Part F82-CLEO_Europe 2017.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ultralong Raman fiber lasers and their applications

Ania-Castañón, J. D. & Harper, P., Apr 2017, Shaping light in nonlinear optical fibers. Boscolo, S. & Finot, C. (eds.). Chichester (UK): Wiley, p. 435-460 26 p.

Research output: Chapter in Book/Report/Conference proceedingChapter (peer-reviewed)

2015

Characterisation of random DFB Raman laser amplifier for WDM transmission

Rosa, P., Rizzelli, G., Tan, M., Harper, P. & Ania-Castañón, J. D., 23 Oct 2015, In : Optics Express. 23, 22, p. 28634-28639 6 p.

Research output: Contribution to journalArticle

Open Access
File

Enhanced superchannel transmission using phase conjugation

Ellis, A. D., Phillips, I. D., Tan, M., Stephens, M. F. C., McCarthy, M. E., Al Kahteeb, M. A. Z., Iqbal, M. A., Perentos, A., Fabbri, S., Gordienko, V., Lavery, D., Liga, G., Saavedra, M. G., Maher, R., Sygletos, S., Harper, P., Doran, N. J., Bayvel, P. & Turitsyn, S. K., 2015, European Conference on Optical Communication, ECOC. IEEE, 3 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File

Evaluation of 100G DP-QPSK long-haul transmission performance using second order co-pumped Raman laser based amplification

Tan, M., Rosa, P., Le, T. S., Phillips, I. D. & Harper, P., 14 Aug 2015, In : Optics Express. 23, 17, p. 22181-22189 9 p.

Research output: Contribution to journalArticle

Open Access
File

Extended reach of 116 Gb/s DP-QPSK transmission using random DFB fiber laser based Raman amplification and bidirectional second-order pumping

Tan, M., Rosa, P., Phillips, I. & Harper, P., 2015, Optical Fiber Communication Conference 2015. Optical Society of America, paper W4E.1. (OSA technical digest).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fibre optical parametric amplifier incorporating a Raman-pump for reduced four-wave mixing crosstalk

Stephens, M. F., Phillips, I. D., Harper, P. & Doran, N. J., 2015, The European Conference on Lasers and Electro-Optics 2015. Optical Society of America, 1 p. CI_P_5

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Improved WDM performance of a fibre optical parametric amplifier using Raman-assisted pumping

Stephens, M. F. C., Phillips, I. D., Rosa, P., Harper, P. & Doran, N. J., 14 Jan 2015, In : Optics Express. 23, 2, p. 902-911 10 p.

Research output: Contribution to journalArticle

Open Access

Modified nonlinear inverse synthesis for optical links with distributed Raman amplification

Le, S. T., Prilepsky, J. E., Kamalian, M., Rosa, P., Tan, M., Ania-Castañón, J. D., Harper, P. & Turitsyn, S. K., 30 Nov 2015, European Conference on Optical Communication, ECOC. IEEE, 3 p. 0257

Research output: Chapter in Book/Report/Conference proceedingConference contribution

RIN mitigation in second-order pumped Raman fibre laser based amplification

Tan, M., Rosa, P., Iqbal, M. A., Phillips, I., Nuño, J., Ania-Castañón, J. D. & Harper, P., 2015, Asia Communications and Photonics Conference 2015. Optical Society of America, paper AM2E.6. (OSA Technical Digest).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

The impact of pump phase-modulation and filtering on WDM signals in a fibre optical parametric amplifier

Stephens, M. F. C., Redyuk, A., Sygletos, S., Phillips, I., Harper, P., Blow, K. & Doran, N., 2015, Proceedings of Optical Fiber Communication Conference, 22–26 March 2015, Los Angeles, California, United States. Optical Society of America, paper W2A.43. (OSA technical digest).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Unrepeatered DP-QPSK transmission over 352.8 km SMF using random DFB fiber laser amplification

Rosa, P., Tan, M., Le, S. T., Philips, I. D., Ania-Castañón, J. D., Sygletos, S. & Harper, P., 1 Jun 2015, In : IEEE Photonics Technology Letters. 27, 11, p. 1189-1192 4 p.

Research output: Contribution to journalArticle

Open Access
File

Unrepeatered Nyquist PDM-16QAM transmission over 364  km using Raman amplification and multi-channel digital back-propagation

Galdino, L., Tan, M., Lavery, D., Rosa, P., Maher, R., Phillips, I. D., Ania Castañón, J. D., Harper, P., Killey, R. I., Thomsen, B. C., Makovejs, S. & Bayvel, P., 19 Jun 2015, In : Optics Letters. 40, 13, p. 3025-3028 3 p.

Research output: Contribution to journalLetter