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

Gabriel Saavedra Mondaca, Mingming Tan, Daniel J. Elson, Lidia Galdino, Daniel Semrau, Md Asif Iqbal, Ian D Phillips, Paul Harper, Naoise MacSuibhne, Andrew D. Ellis, Domaniç Lavery, Benn C. Thomsen, Robert I. Killey, Polina Bayvel

Research output: Contribution to journalArticle

Abstract

An effective way of increasing the overall optical fibre capacity is by expanding the bandwidth used to transmit signals. In this paper, the impact of expanding the transmission bandwidth on the optical communication system is experimentally studied using the achievable rates as a performance metric. The trade-offs between the use of larger bandwidths and higher nonlinear interference (NLI) noise is experimentally and theoretically analysed. The growth of NLI noise is investigated for spectral bandwidths from 40 GHz up to 7.3 THz using 64-QAM and Nyquist pulse-shaping. Experimental results are shown to be in line with the predictions from the Gaussian- Noise model showing a logarithmic growth in NLI noise as the signal bandwidth is extended. A reduction of the information rate of only 10% was found between linear and non-linear
transmission across several transmission bandwidths, all the way up to 7.3 THz. Finally, the power transfer between channels due to stimulated Raman scattering effect is analysed showing up to 2 dB power tilt at optimum power for the largest transmitted bandwidth of 7.3 THz.
Original languageEnglish
Pages (from-to)4809 - 4816
JournalJournal of Lightwave Technology
Volume35
Issue number21
DOIs
Publication statusPublished - 5 Oct 2017

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impairment
fiber optics
bandwidth
interference
quadrature amplitude modulation
random noise
optical communication
telecommunication
optical fibers
Raman spectra
predictions
pulses

Bibliographical note

Copyright: IEEE. This work is licensed under a Creative Commons Attribution 3.0 License. For more information, see http://creativecommons.org/licenses/by/3.0/.

Funding: in part by Becas Chile, in part by UK EPSRC UNLOC Programme under Grant EP/J017582/1, in part by FP7 ITN Programme ICONE(608099), and in part by
the Royal Academy of Engineering under the Research Fellowships scheme.

Keywords

  • GN model, nonlinear effects, optical fibre, optical fibre communications

Cite this

Saavedra Mondaca, Gabriel ; Tan, Mingming ; Elson, Daniel J. ; Galdino, Lidia ; Semrau, Daniel ; Iqbal, Md Asif ; Phillips, Ian D ; Harper, Paul ; MacSuibhne, Naoise ; Ellis, Andrew D. ; Lavery, Domaniç ; Thomsen, Benn C. ; Killey, Robert I. ; Bayvel, Polina. / Experimental Analysis of Nonlinear Impairments in Fibre Optic Transmission Systems up to 7.3 THz. In: Journal of Lightwave Technology. 2017 ; Vol. 35, No. 21. pp. 4809 - 4816.
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abstract = "An effective way of increasing the overall optical fibre capacity is by expanding the bandwidth used to transmit signals. In this paper, the impact of expanding the transmission bandwidth on the optical communication system is experimentally studied using the achievable rates as a performance metric. The trade-offs between the use of larger bandwidths and higher nonlinear interference (NLI) noise is experimentally and theoretically analysed. The growth of NLI noise is investigated for spectral bandwidths from 40 GHz up to 7.3 THz using 64-QAM and Nyquist pulse-shaping. Experimental results are shown to be in line with the predictions from the Gaussian- Noise model showing a logarithmic growth in NLI noise as the signal bandwidth is extended. A reduction of the information rate of only 10{\%} was found between linear and non-lineartransmission across several transmission bandwidths, all the way up to 7.3 THz. Finally, the power transfer between channels due to stimulated Raman scattering effect is analysed showing up to 2 dB power tilt at optimum power for the largest transmitted bandwidth of 7.3 THz.",
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Saavedra Mondaca, G, Tan, M, Elson, DJ, Galdino, L, Semrau, D, Iqbal, MA, Phillips, ID, Harper, P, MacSuibhne, N, Ellis, AD, Lavery, D, Thomsen, BC, Killey, RI & Bayvel, P 2017, 'Experimental Analysis of Nonlinear Impairments in Fibre Optic Transmission Systems up to 7.3 THz', Journal of Lightwave Technology, vol. 35, no. 21, pp. 4809 - 4816. https://doi.org/10.1109/JLT.2017.2760138

Experimental Analysis of Nonlinear Impairments in Fibre Optic Transmission Systems up to 7.3 THz. / Saavedra Mondaca, Gabriel; Tan, Mingming; Elson, Daniel J.; Galdino, Lidia; Semrau, Daniel; Iqbal, Md Asif; Phillips, Ian D; Harper, Paul; MacSuibhne, Naoise; Ellis, Andrew D.; Lavery, Domaniç; Thomsen, Benn C.; Killey, Robert I.; Bayvel, Polina.

In: Journal of Lightwave Technology, Vol. 35, No. 21, 05.10.2017, p. 4809 - 4816.

Research output: Contribution to journalArticle

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AU - Saavedra Mondaca, Gabriel

AU - Tan, Mingming

AU - Elson, Daniel J.

AU - Galdino, Lidia

AU - Semrau, Daniel

AU - Iqbal, Md Asif

AU - Phillips, Ian D

AU - Harper, Paul

AU - MacSuibhne, Naoise

AU - Ellis, Andrew D.

AU - Lavery, Domaniç

AU - Thomsen, Benn C.

AU - Killey, Robert I.

AU - Bayvel, Polina

N1 - Copyright: IEEE. This work is licensed under a Creative Commons Attribution 3.0 License. For more information, see http://creativecommons.org/licenses/by/3.0/. Funding: in part by Becas Chile, in part by UK EPSRC UNLOC Programme under Grant EP/J017582/1, in part by FP7 ITN Programme ICONE(608099), and in part by the Royal Academy of Engineering under the Research Fellowships scheme.

PY - 2017/10/5

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N2 - An effective way of increasing the overall optical fibre capacity is by expanding the bandwidth used to transmit signals. In this paper, the impact of expanding the transmission bandwidth on the optical communication system is experimentally studied using the achievable rates as a performance metric. The trade-offs between the use of larger bandwidths and higher nonlinear interference (NLI) noise is experimentally and theoretically analysed. The growth of NLI noise is investigated for spectral bandwidths from 40 GHz up to 7.3 THz using 64-QAM and Nyquist pulse-shaping. Experimental results are shown to be in line with the predictions from the Gaussian- Noise model showing a logarithmic growth in NLI noise as the signal bandwidth is extended. A reduction of the information rate of only 10% was found between linear and non-lineartransmission across several transmission bandwidths, all the way up to 7.3 THz. Finally, the power transfer between channels due to stimulated Raman scattering effect is analysed showing up to 2 dB power tilt at optimum power for the largest transmitted bandwidth of 7.3 THz.

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KW - GN model, nonlinear effects, optical fibre, optical fibre communications

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