- 1 - 50 out of 64 results
- Publication Year, Title (descending)
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, 8696365Research output: Chapter in Book/Report/Conference proceeding › Conference 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 proceeding › Conference 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 journal › Article
Open Access
File
amplifiers
broadband
fibers
signal to noise ratios
quadrature phase shift keying
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 journal › Article
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, 8696796Research output: Chapter in Book/Report/Conference proceeding › Conference 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 proceeding › Conference 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, 3Research output: Contribution to journal › Article
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). IEEEResearch output: Chapter in Book/Report/Conference proceeding › Conference 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). IEEEResearch output: Chapter in Book/Report/Conference proceeding › Conference 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). IEEEResearch output: Chapter in Book/Report/Conference proceeding › Conference contribution
pumps
broadband
aeroservoelasticity
quadrature phase shift keying
penalties
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. 1-1Research output: Contribution to journal › Article
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). IEEEResearch output: Chapter in Book/Report/Conference proceeding › Conference 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. 23960-23968Research output: Contribution to journal › Article
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 proceeding › Conference 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.3Research output: Chapter in Book/Report/Conference proceeding › Conference 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.3Research output: Chapter in Book/Report/Conference proceeding › Conference 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. 7091-7097Research output: Contribution to journal › Article
Open Access
File
penalties
amplifiers
broadband
quadrature phase shift keying
nonlinearity
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 - 2079Research output: Contribution to journal › Article
Open Access
File
penalties
amplifiers
fibers
Fibers
quadrature phase shift keying
On the Mitigation of RIN Transfer and Transmission Performance Improvement in Bidirectional Distributed Raman Amplifiers
Iqbal, M. A., Tan, M. & Harper, P., 23 Mar 2018, In : Journal of Lightwave Technology. p. 1-1Research output: Contribution to journal › Article
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 proceeding › Conference 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.2Research output: Chapter in Book/Report/Conference proceeding › Conference 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, 21Research output: Contribution to journal › Article
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 AmericaResearch output: Chapter in Book/Report/Conference proceeding › Conference 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. ThB1.1Research output: Chapter in Book/Report/Conference proceeding › Conference 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 proceeding › Conference 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. 8025083Research output: Chapter in Book/Report/Conference proceeding › Conference 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. 24312-24325Research output: Contribution to journal › Article
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 proceeding › Conference 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 journal › Article
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 proceeding › Conference 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, 8025082Research output: Chapter in Book/Report/Conference proceeding › Conference 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 journal › Article
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, 8025050Research output: Chapter in Book/Report/Conference proceeding › Conference 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 proceeding › Conference contribution
Open Access
File
Pumps
Amplification
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. 1-1Research output: Contribution to journal › Article
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 proceeding › Conference 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 proceeding › Conference 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 proceeding › Chapter (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 journal › Article
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 proceeding › Conference 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 journal › Article
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.4Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
Fiber lasers
fiber lasers
Amplification
pumping
Demonstration of nonlinear inverse synthesis transmission over transoceanic distances
Le, S. T., Phillips, I. D., Prilepsky, J. E., Harper, P., Ellis, A. D. & Turitsyn, S. K., 15 May 2016, In : Journal of Lightwave Technology. 34, 10, p. 2459-2466 8 p.Research output: Contribution to journal › Article
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 proceeding › Conference 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 AmericaResearch output: Chapter in Book/Report/Conference proceeding › Conference 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 proceeding › Conference 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 proceeding › Conference 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.6Research output: Chapter in Book/Report/Conference proceeding › Conference 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 journal › Article
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.2Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
Noise figure
Amplification