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

doi:10.1109/JLT.2017.2760138

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 journal › Article › peer-review

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 language	English
Pages (from-to)	4809 - 4816
Journal	Journal of Lightwave Technology
Volume	35
Issue number	21
DOIs	https://doi.org/10.1109/JLT.2017.2760138
Publication status	Published - 5 Oct 2017

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

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10.1109/JLT.2017.2760138Licence: CC BY 3.0

Experimental Analysis of Nonlinear Impairments
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/.
Final published version, 764 KBLicence: CC BY 3.0

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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. (2017). Experimental Analysis of Nonlinear Impairments in Fibre Optic Transmission Systems up to 7.3 THz. Journal of Lightwave Technology, 35(21), 4809 - 4816. https://doi.org/10.1109/JLT.2017.2760138

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title = "Experimental Analysis of Nonlinear Impairments in Fibre Optic Transmission Systems up to 7.3 THz",

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.",

keywords = "GN model, nonlinear effects, optical fibre, optical fibre communications",

author = "{Saavedra Mondaca}, Gabriel and Mingming Tan and Elson, {Daniel J.} and Lidia Galdino and Daniel Semrau and Iqbal, {Md Asif} and Phillips, {Ian D} and Paul Harper and Naoise MacSuibhne and Ellis, {Andrew D.} and Domani{\c c} Lavery and Thomsen, {Benn C.} and Killey, {Robert I.} and Polina Bayvel",

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.",

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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

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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

Y1 - 2017/10/5

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.

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

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