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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

quadrature phase shift keying
Quadrature phase shift keying
Noise figure
pumping
amplifiers

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

phase conjugation
nonlinearity
fibers
amplifiers
configurations

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
amplifiers
broadband
fibers
signal to noise ratios
quadrature phase shift keying
pumping
amplifiers
broadband
quadrature phase shift keying
wavelengths

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

Broadband networks
Erbium doped fiber amplifiers
Fiber optic networks
penalties
Amplification

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

Broadband networks
Fiber optic networks
Erbium doped fiber amplifiers
Fibers
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
phase conjugation
Kerr effects
compensators
nonlinearity

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
amplifiers
broadband
configurations
fibers

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

optical fibers
broadband
bandwidth
C band

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

pumps
broadband
aeroservoelasticity
quadrature phase shift keying
penalties
Open Access
File
aeroservoelasticity
Pumps
pumps
broadband
Semiconductor lasers

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

Amplification
Pumps
Quadrature phase shift keying
Wavelength division multiplexing

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
phase conjugation
quadrature phase shift keying
augmentation
nonlinearity
interference

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

Ultra-wideband (UWB)
Noise figure
Bandwidth

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

Raman spectra
broadband
modulation

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
Quadrature phase shift keying
Wavelength division multiplexing
Amplification
Fibers

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
penalties
amplifiers
broadband
quadrature phase shift keying
nonlinearity
Open Access
File
penalties
amplifiers
fibers
Fibers
quadrature phase shift keying
Open Access
File
noise intensity
amplifiers
pumps
pumping
broadband

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
pumps
broadband
pumping
quadrature phase shift keying
coherent radiation

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
Amplification
Pumps
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

Research output: Contribution to journalArticle

Open Access
File
impairment
fiber optics
bandwidth
interference
quadrature amplitude modulation

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

signal distortion
Signal distortion
Nonlinear distortion
Ultra-wideband (UWB)
broadband

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

four-wave mixing
margins
pumping
predictions
approximation

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

Fiber amplifiers
Pumps
Fibers
Erbium doped fiber amplifiers
Erbium

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
Erbium doped fiber amplifiers
Wavelength division multiplexing
Amplification
Erbium
Fibers

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
parametric amplifiers
light amplifiers
fibers
polarization
division

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 abatement
Amplification

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
pumping
amplifiers
pumps
broadband
counters

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

Quadrature phase shift keying
Fiber lasers
Pumps
Pumping (laser)
Light amplifiers

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
Fibers
Noise figure

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
aeroservoelasticity
quadrature phase shift keying
Raman lasers
optimization
pumps

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
Fiber lasers
Amplification
Distributed feedback lasers
Fiber Bragg gratings
Quadrature phase shift keying

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
Pumps
Amplification
Open Access
File
Pumps
pumps
broadband
augmentation
aeroservoelasticity

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
Pumps
Quadrature phase shift keying
Wavelength division multiplexing
Amplification

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

Noise abatement
Amplification
Seed
Signal to noise ratio
Pumps

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)

2016

4 Tb/s transmission reach enhancement using 10 × 400 Gb/s super-channels and polarization insensitive dual band optical phase conjugation

Ellis, A. D., Tan, M., Iqbal, M. A., Al-Khateeb, M. A. Z., Gordienko, V., Saavedra Mondaca, G., Fabbri, S., Stephens, M. F. C., McCarthy, M. E., Perentos, A., Phillips, I. D., Lavery, D., Liga, G., Maher, R., Harper, P., Doran, N., Turitsyn, S. K., Sygletos, S. & Bayvel, P., 15 Apr 2016, In : Journal of Lightwave Technology. 34, 8, p. 1717-1723 7 p.

Research output: Contribution to journalArticle

Open Access
File
phase conjugation
augmentation
polarization
asymmetry

Achievable information rate of nonlinear inverse synthesis based 16QAM OFDM transmission

Le, S. T., Phillips, I. D., Prilepsky, J. E., Kamalian Kopae, M., Ellis, A. D., Harper, P. & Turitsyn, S. K., 8 Dec 2016, ECOC 2016; 42nd European Conference on Optical Communication. IEEE, p. 1208-1210 3 p.

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

Orthogonal frequency division multiplexing

Amplification schemes and multi-channel DBP for unrepeatered transmission

Galdino, L., Tan, M., Alvarado, A., Lavery, D., Rosa, P., Maher, R., Ania-Castañón, J. D., Harper, P., Makovejs, S., Thomsen, B. C. & Bayvel, P., 1 May 2016, In : Journal of Lightwave Technology. 34, 9, p. 2221-2227 7 p.

Research output: Contribution to journalArticle

Open Access
File
pulse duration modulation
fibers
erbium
parity
amplifiers

Bi-doped fiber laser for telecom applications

Dvoyrin, V., Tan, M., Zlenko, A., Mashinsky, V., Melkumov, M., Dianov, E., Harper, P. & Turitsyn, S. K., 16 Dec 2016, CLEO: Science and Innovations 2016. Optical Society of America, paper STu1F.4

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

Fiber lasers
fiber lasers
Amplification
pumping
Open Access
File
synthesis
combat
impairment
bit error rate
telecommunication

Equalization-enhanced phase noise in nonlinear inverse synthesis transmissions

Le, S. T., Phillips, I. D., Prilepsky, J. E., Kamalian Kopae, M., Ellis, A. D., Harper, P. & Turitsyn, S. K., 5 Dec 2016, ECOC 2016; 42nd European Conference on Optical Communication. IEEE, p. 370-372 3 p.

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

Quadrature phase shift keying
Phase noise
Orthogonal frequency division multiplexing
Modulation

Evaluation of long-haul coherent transmission performance using low RIN forward Raman pump

Tan, M., Dvoyrin, V., Iqbal, M. A., Turitsyn, S. K. & Harper, P., 5 Nov 2016, Asia Communications and Photonics Conference 2016. Optical Society of America

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

Pumps
Bismuth
Fiber lasers

FBG reflectivity impact on RIN in ultralong laser amplifiers

Rizzelli, G., Iqbal, M. A., Gallazzi, F., Rosa, P., Tan, M., Corredera, P., Ania-Castañón, J. D. & Harper, P., 5 Dec 2016, ECOC 2016; 42nd European Conference on Optical Communication. IEEE, p. 625-627 3 p.

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

Light amplifiers
Pumps

First experimental demonstration of nonlinear inverse synthesis transmission over transoceanic distances

Le, S. T., Phillips, I. D., Prilepsky, J. E., Harper, P., Doran, N. J., Ellis, A. D. & Turitsyn, S. K., 22 Mar 2016, Optical Fiber Communication Conference 2016. Optical Society of America, 3 p. Tu2A.1. (OSA Technical Digest).

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

Open Access
File
Demonstrations
synthesis
products

Impact of front-FBG reflectivity in Raman fiber laser based amplification

Rizzelli, G., Iqbal, M. A., Rosa, P., Tan, M., Krzczanowicz, L., Phillips, I., Forysiak, W., Ania-Castañón, J. D. & Harper, P., 16 Dec 2016, CLEO: Science and Innovations 2016. Optical Society of America, paper SF1F.6

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

Raman lasers
Fiber lasers
fiber lasers
Amplification
reflectance

Impact of input FBG reflectivity and forward pump power on RIN transfer in ultralong Raman laser amplifiers

Rizzelli, G., Iqbal, M. A., Gallazzi, F., Rosa, P., Tan, M., Ania-Castañón, J. D., Krzczanowicz, L., Corredera, P., Phillips, I., Forysiak, W. & Harper, P., 12 Dec 2016, In : Optics Express. 24, 25, p. 29170-29175 6 p.

Research output: Contribution to journalArticle

Open Access
File
Raman lasers
amplifiers
pumps
reflectance
quadrature phase shift keying

Noise performance improvement of broadband distributed raman amplifier using dual order bidirectional pumping

Iqbal, M. A., Tan, M., Krzczanowicz, L., Rizzelli, G., Gallazzi, F., El-Taher, A., Forysiak, W., Harper, P. & Ania-Castañón, J. D., 5 Nov 2016, Asia Communications and Photonics Conference 2016. Optical Society of America, paper AF4G.2

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

Noise figure
Amplification