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2019

Suppression of Nonlinear Crosstalk in a Polarization Insensitive FOPA by Mid-stage Idler Removal

Gordienko, V., Ferreira, F. M., Ribeiro, V. & Doran, N., 22 Apr 2019, 2019 Optical Fiber Communications Conference and Exhibition, OFC 2019 - Proceedings. Optical Society of America, 8697008

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

Optical parametric amplifiers
Crosstalk
parametric amplifiers
crosstalk
penalties

Unwanted Four-Wave Mixing in Fibre Optical Parametric Amplifiers

Gordienko, V., Al-khateeb, M. A. Z., Ferreira, F. M., Ellis, A. D. & Doran, N. J., 19 Sep 2019, 21st International Conference on Transparent Optical Networks, ICTON 2019. IEEE, Vol. 2019-July. 8840198. (2019 21st International Conference on Transparent Optical Networks (ICTON)).

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

parametric amplifiers
light amplifiers
four-wave mixing
fibers
products
2018

First Multi-Terabit DWDM Transmission and Inline Amplification using a Black-Box Polarisation-Insensitive Fibre Optical Parametric Amplifier (PI-FOPA)

Stephens, M. F. & Doran, N. J., 26 Apr 2018, 2017 European Conference on Optical Communication (ECOC). IEEE

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

Optical parametric amplifiers
Dense wavelength division multiplexing
Erbium doped fiber amplifiers
Quadrature phase shift keying
Pulse width modulation

Gain Spectrum Shaping Technique for One-Pump Fibre Optical Parametric Amplifier (FOPA)

Gordienko, V., Stephens, M. F., Ferreira, F. & Doran, N. J., 26 Apr 2018, 2017 European Conference on Optical Communication (ECOC). IEEE

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

parametric amplifiers
light amplifiers
pumps
fibers
bandwidth

Raman-Generated Pump and Its Use for Parametric Amplification and Phase Conjugation

Gordienko, V., Stephens, M. F. & Doran, N. J., 15 Nov 2018, 2018 European Conference on Optical Communication (ECOC). IEEE

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

Open Access
File
phase conjugation
conjugation
pumps
fibers
high gain

Reduced Crosstalk, Polarization Insensitive Fiber Optical Parametric Amplifier (PI FOPA) for WDM Applications

Stephens, M. F., Gordienko, V. & Doran, N., 15 Mar 2018, 2018 Optical Fiber Communications Conference and Exposition, OFC 2018 - Proceedings. Optical Society of America, p. W3D.4 3 p.

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

Optical parametric amplifiers
Noise figure
Crosstalk
parametric amplifiers
crosstalk

The Impact of Zero-Dispersion Wavelength Fluctuations in > 110 nm Fiber Optical Raman+Parametric Amplification

Ribeiro, V., Gordienko, V., Gaur, C. & Doran, N. J., 14 Nov 2018, 2018 European Conference on Optical Communication, ECOC 2018. IEEE, Vol. 2018-September. 8535477

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

Open Access
File
Optical parametric amplifiers
Amplification
Optical fibers
Bandwidth
Wavelength
2017

20dB net-gain fiber optical parametric amplification of 18×120Gb/s polarization-multiplexed signals

Stephens, M. F., Gordienko, V. & Doran, N. J., 23 Mar 2017, Optical Fiber Communication Conference 2017. Optical Society of America, paper Th4A.1

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

Amplification
Optical fibers
Polarization
Fibers
Wavelength division multiplexing

20 dB net-gain polarization-insensitive fiber optical parametric amplifier with >2 THz bandwidth

Stephens, M. F. C., Gordienko, V. & Doran, N. J., 1 May 2017, In : Optics Express. 25, 9, p. 10597-10609 13 p.

Research output: Contribution to journalArticle

Open Access
File
parametric amplifiers
light amplifiers
bandwidth
fibers
polarization

Access and metro network convergence for flexible end-to-end network design [invited]

Ruffini, M., Achouche, M., Arbelaez, A., Bonk, R., di Giglio, A., Doran, N. J., Furdek, M., Jensen, R., Montalvo, J., Parsons, N., Pfeiffer, T., Quesada, L., Raack, C., Rohde, H., Schiano, M., Talli, G., Townsend, P., Wessaly, R., Wosinska, L., Yin, X. & 1 others, Payne, D. B., 1 Jun 2017, In : Journal of Optical Communications and Networking. 9, 6, p. 524-535 12 p.

Research output: Contribution to journalArticle

Open Access
Testbeds
Consolidation
Demonstrations
Network protocols
Costs

Blind nonlinearity equalization by machine learning based clustering for single- and multi-channel coherent optical OFDM

Giacoumidis, E., Matin, A., Wei, J., Doran, N. J., Barry, L. P. & Wang, X., 1 Dec 2017, In : Journal of Lightwave Technology. 36, 3, p. 721-727

Research output: Contribution to journalArticle

Open Access
File
machine learning
nonlinearity
logic
quadrature phase shift keying
Q factors

Broadband gain-spectrum measurement for fiber optical parametric and Raman amplifiers

Gordienko, V., Stephens, M. F. C. & Doran, N. J., 15 Aug 2017, In : IEEE Photonics Technology Letters. 29, 16, p. 1399-1402 4 p.

Research output: Contribution to journalArticle

Open Access
File
parametric amplifiers
light amplifiers
Optical fibers
amplifiers
Optical parametric amplifiers

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

Intra and inter-channel nonlinearity compensation in WDM coherent optical OFDM using artificial neural network based nonlinear equalization

Giacoumidis, E., Mhatli, S., Wei, J., Le, S. T., Aldaya, I., Stephens, M. F. C., McCarthy, M. E., Ellis, A. D., Doran, N. J. & Eggleton, B., 23 Mar 2017, 2017 Optical Fiber Communications Conference and Exhibition (OFC 2017), proceedings. Optical Society of America, 3 p. paper Th2A.62

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

Wavelength division multiplexing
Orthogonal frequency division multiplexing
Neural networks
Equalizers
Carbon Monoxide

Nonlinear inter-subcarrier intermixing reduction in coherent optical OFDM using fast machine learning equalization

Giacoumidis, E., Wei, J., Mhatli, S., Stephens, M. F., Doran, N. J., Ellis, A. & Eggleton, B., 23 Mar 2017, Optical Fiber Communication Conference 2017. Optical Society of America, paper W3J.2

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

Equalizers
Orthogonal frequency division multiplexing
Support vector machines
Learning systems
Quadrature amplitude modulation

Novel broadband gain-spectrum measurement technique for Raman and parametric amplifiers

Gordienko, V., Stephens, M. F., El-taher, A. & Doran, N. J., 23 Mar 2017, Optical Fiber Communication Conference 2017. Optical Society of America, W2A.11

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

Optical parametric amplifiers
Parametric amplifiers
Wavelength division multiplexing
Polarization

Performance limits in optical communications due to fiber nonlinearity

Ellis, A. D., McCarthy, M. E., Al-Khateeb, M. A. Z., Sorokina, M. & Doran, N. J., 30 Sep 2017, In : Advances in Optics and Photonics. 9, 3, p. 429-503 75 p.

Research output: Contribution to journalReview article

Open Access
File
optical communication
telecommunication
nonlinearity
fibers
predictions

Reduction of Nonlinear Intersubcarrier Intermixing in Coherent Optical OFDM by a Fast Newton-Based Support Vector Machine Nonlinear Equalizer

Giacoumidis, E., Mhatli, S., Stephens, M. F. C., Tsokanos, A., Wei, J., McCarthy, M. E., Doran, N. J. & Ellis, A. D., 7 Mar 2017, In : Journal of Lightwave Technology. 35, 12, p. 2391-2397 7 p., 7874191.

Research output: Contribution to journalArticle

Open Access
File
newton
nonlinearity
frequency division multiplexing
classifiers
crosstalk

Towards wide-bandwidth ultra-flat FOPAs

Gordienko, V., Stephens, M. & Doran, N., 4 Sep 2017, ICTON 2017 - 19th International Conference on Transparent Optical Networks. IEEE, 8025079

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

Open Access
File
Optical parametric amplifiers
Bandwidth
Fibers
Amplification
Wavelength

Ultra-flat wideband single-pump Raman-enhanced parametric amplification

Gordienko, V., Stephens, M. F. C., El-Taher, A. E. & Doran, N. J., 6 Mar 2017, In : Optics Express. 25, 5, p. 4810-4818 9 p.

Research output: Contribution to journalArticle

Open Access
File
pumps
broadband
bandwidth
fibers
quadrature phase shift keying

Unsupervised hierarchical clustering for blind nonlinear equalization in WDM coherent optical OFDM

Giacoumidis, E., Matin, A., Wei, J., Doran, N. J. & Wang, X., 13 Nov 2017, Asia Communications and Photonics Conference, ACPC 2017. Optical Society of America, Vol. Part F83-ACPC 2017.

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

Quadrature phase shift keying
Equalizers
Carbon Monoxide
Wavelength division multiplexing
Orthogonal frequency division multiplexing
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

Characterisation of cascaded Raman-assisted fibre optical parametric amplifiers using WDM QPSK signals

Redyuk, A., Stephens, M. F. C. & Doran, N., 22 Mar 2016, Optical Fiber Communication Conference 2016. Optical Society of America, paper M3D.3. (OSA Technical Digest).

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

Open Access
File
Optical parametric amplifiers
quadrature phase shift keying
Quadrature phase shift keying
Crosstalk
parametric amplifiers

Demonstration of an ultra-flat Raman-enhanced fibre optical parametric amplifier (FOPA) with >110nm gain-bandwidth

Gordienko, V., Stephens, M. F., Takasaka, S., El-Taher, A. E., Phillips, I. D., Forysiak, W., Sugizaki, R. & Doran, N. J., 5 Dec 2016, ECOC 2016 Düsseldorf : 42nd European Conference and Exhibition on Optical Communications. Berlin (DE): VDE, p. 1019-1021 3 p.

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

Optical parametric amplifiers
Quadrature phase shift keying
Demonstrations
Bandwidth
Fibers

Experimental comparison of artificial neural network and volterra based nonlinear equalization for CO-OFDM

Giacoumidis, E., Le, S. T., Aldaya, I., Wei, J., McCarthy, M., Doran, N. & Eggleton, B., 22 Mar 2016, Optical Fiber Communication Conference 2016. Optical Society of America, paper W3A.4

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

Equalizers
Orthogonal frequency division multiplexing
Neural networks
transfer functions
Transfer functions

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

Performance characterisation and limitations of high-gain discrete Raman amplification

El-Taher, A. E., Stephens, M., Gordienko, V., Forysiak, W., Harper, P. & Doran, N., 16 Dec 2016, CLEO: Science and Innovations 2016. Optical Society of America, paper STu1F.6

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

high gain
Amplification
fibers
Fibers
bit error rate

Suppression of WDM four-wave mixing crosstalk in fibre optic parametric amplifier using Raman-assisted pumping

Redyuk, A., Stephens, M. F. C. & Doran, N. J., 19 Oct 2016, In : Optics Express. 23, 21, 10 p.

Research output: Contribution to journalArticle

Open Access
File
parametric amplifiers
crosstalk
four-wave mixing
fiber optics
pumping
2015

100-Gb/s point-to-point solutions for long-reach passive optical networks in sparse rural and urban areas

Giacoumidis, E., Talli, G., Suibhne, N. M., Le, S. T., Doran, N. J. & Payne, D. B., 2015, PIERS 2015 Prague: Progress in Electromagnetics Research Symposium, proceedings. Cambridge, MA (US): Electromagnetics Academy, p. 2468-2472 5 p. (PIERS proceedings).

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

Passive optical networks
Optical switches
Phase shift keying
FIR filters
Numerical analysis

Artificial neural network nonlinear equalizer for coherent optical OFDM

Jarajreh, M. A., Giacoumidis, E., Aldaya, I., Le, S. T., Tsokanos, A., Ghassemlooy, Z. & Doran, N. J., 15 Feb 2015, In : IEEE Photonics Technology Letters. 27, 4, p. 387-390 17 p.

Research output: Contribution to journalArticle

Equalizers
Orthogonal frequency division multiplexing
Neural networks
frequency division multiplexing
transfer functions

Decision-directed-free blind phase noise estimation for COOFDM

Le, S. T., McCarthy, M., Suibhne, N. M., Haigh, P. A., Giacoumidis, E., Doran, N., Ellis, A. D. & Turitsyn, S. K., 2015, Optical Fiber Communication Conference 2015. Optical Society of America, paper W1E.5. (OSA technical digest (online)).

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

phase error
Carbon Monoxide
Phase noise
Orthogonal frequency division multiplexing
Compensation and Redress

Demonstration of phase-conjugated subcarrier coding for fiber nonlinearity compensation in CO-OFDM transmission

Le, S. T., McCarthy, M. E., Suibhne, N. M., Al-Khateeb, M. A. Z., Giacoumidis, E., Doran, N., Ellis, A. D. & Turitsyn, S. K., 1 Jun 2015, In : Journal of Lightwave Technology. 33, 11, p. 2206-2212 7 p.

Research output: Contribution to journalArticle

Open Access
File
frequency division multiplexing
coding
nonlinearity
fibers
binary phase shift keying

Digital back propagation in soliton coherent transmission

Yushko, O., Fedoruk, M., Blow, K., Redyuk, A., Turitsyn, S., Doran, N. & Ellis, A., 9 Nov 2015, 2015 Tyrrhenian International Workshop on Digital Communications, TIWDC 2015. IEEE, p. 20-23 4 p.

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

Wave transmission
Solitons
Jitter
Backpropagation
Timing jitter

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
Optical phase conjugation
Polarization

Experimental verification of visible light communications based on multi-band CAP modulation

Haigh, P. A., Chvojka, P., Zvanovec, S., Ghassemlooy, Z., Le, S. T., Kanesan, T., Giacoumidis, E., Doran, N., Papakonstantinou, I. & Darwazeh, I., 2015, Optical Fiber Communication conference 2015. Optical Society of America, paper Tu2G.2. (OSA technical digest).

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

Testbeds
optical communication
Modulation
modulation
Visible light communication

Fiber nonlinearity-induced penalty reduction in CO-OFDM by ANN-based nonlinear equalization

Giacoumidis, E., Le, S. T., Ghanbarisabagh, M., McCarthy, M., Aldaya, I., Mhatli, S., Jarajreh, M. A., Haigh, P. A., Doran, N. J., Ellis, A. D. & Eggleton, B. J., 30 Oct 2015, In : Optics Letters. 40, 21, p. 5113-5116 4 p.

Research output: Contribution to journalArticle

penalties
nonlinearity
Q factors
fibers
quadrature amplitude modulation

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
parametric amplifiers
light amplifiers
pumping
fibers
pumps

Numerical analysis of artificial neural network and volterra-based nonlinear equalizers for coherent optical OFDM

Giacoumidis, E., Wei, J., Jarajreh, M. A., Le, S. T., Haigh, P. A., Bohata, J., Perentos, A., Mhatli, S., Ghanbarisabagh, M., Aldaya, I. & Doran, N. J., 2015, PIERS 2015 Prague: Progress in Electromagnetics Research Symposium, proceedings. Cambridge, MA (US): Electromagnetics Academy, p. 2473-2477 5 p. (PIERS proceedings).

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

Equalizers
Orthogonal frequency division multiplexing
Numerical analysis
Neural networks
Transfer functions

Reach extension of high-capacity LR-PONs in chain configuration of distributed amplifier structure

Giacoumidis, E., Wei, J., Talli, G., Doran, N. & Payne, D., 2015, Asia Communications and Photonics Conference 2015. Optical Society of America, paper AS3H.5. (OSA Technical Digest).

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

FIR filters
Cables

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

Optical parametric amplifiers
Phase modulation
parametric amplifiers
Wavelength division multiplexing
light amplifiers