Modulation format dependence of digital nonlinearity compensation performance in optical fibre communication systems

T. Xu; N.A. Shevchenko; D. Lavery; D. Semrau; G. Liga; A. Alvarado; R.I. Killey; P. Bayvel

doi:10.1364/OE.25.003311

Modulation format dependence of digital nonlinearity compensation performance in optical fibre communication systems

T. Xu, N.A. Shevchenko, D. Lavery, D. Semrau, G. Liga, A. Alvarado, R.I. Killey, P. Bayvel

Research output: Contribution to journal › Article › Academic › peer-review

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Abstract

The relationship between modulation format and the performance of multi-channel digital back-propagation (MC-DBP) in ideal Nyquist-spaced optical communication systems is investigated. It is found that the nonlinear distortions behave independent of modulation format in the case of full-field DBP, in contrast to the cases of electronic dispersion compensation and partial-bandwidth DBP. It is shown that the minimum number of steps per span required for MC-DBP depends on the chosen modulation format. For any given target information rate, there exists a possible trade-off between modulation format and back-propagated bandwidth, which could be used to reduce the computational complexity requirement of MC-DBP.

Original language	English
Pages (from-to)	3311-3326
Number of pages	16
Journal	Optics Express
Volume	25
Issue number	4
DOIs	https://doi.org/10.1364/OE.25.003311
Publication status	Published - 20 Feb 2017

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title = "Modulation format dependence of digital nonlinearity compensation performance in optical fibre communication systems",

abstract = "The relationship between modulation format and the performance of multi-channel digital back-propagation (MC-DBP) in ideal Nyquist-spaced optical communication systems is investigated. It is found that the nonlinear distortions behave independent of modulation format in the case of full-field DBP, in contrast to the cases of electronic dispersion compensation and partial-bandwidth DBP. It is shown that the minimum number of steps per span required for MC-DBP depends on the chosen modulation format. For any given target information rate, there exists a possible trade-off between modulation format and back-propagated bandwidth, which could be used to reduce the computational complexity requirement of MC-DBP.",

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AU - Xu, T.

AU - Shevchenko, N.A.

AU - Lavery, D.

AU - Semrau, D.

AU - Liga, G.

AU - Alvarado, A.

AU - Killey, R.I.

AU - Bayvel, P.

PY - 2017/2/20

Y1 - 2017/2/20

N2 - The relationship between modulation format and the performance of multi-channel digital back-propagation (MC-DBP) in ideal Nyquist-spaced optical communication systems is investigated. It is found that the nonlinear distortions behave independent of modulation format in the case of full-field DBP, in contrast to the cases of electronic dispersion compensation and partial-bandwidth DBP. It is shown that the minimum number of steps per span required for MC-DBP depends on the chosen modulation format. For any given target information rate, there exists a possible trade-off between modulation format and back-propagated bandwidth, which could be used to reduce the computational complexity requirement of MC-DBP.

AB - The relationship between modulation format and the performance of multi-channel digital back-propagation (MC-DBP) in ideal Nyquist-spaced optical communication systems is investigated. It is found that the nonlinear distortions behave independent of modulation format in the case of full-field DBP, in contrast to the cases of electronic dispersion compensation and partial-bandwidth DBP. It is shown that the minimum number of steps per span required for MC-DBP depends on the chosen modulation format. For any given target information rate, there exists a possible trade-off between modulation format and back-propagated bandwidth, which could be used to reduce the computational complexity requirement of MC-DBP.

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DO - 10.1364/OE.25.003311

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VL - 25

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EP - 3326

JO - Optics Express

JF - Optics Express

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ER -

Modulation format dependence of digital nonlinearity compensation performance in optical fibre communication systems

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