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Intra-Channel Nonli...
Intra-Channel Nonlinearity Mitigation in Optical Fiber Transmission Systems Using Perturbation-Based Neural Network
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- Ding, Jiazheng (författare)
- Tianjin Univ, Sch Precis Instruments & Optoelect Engn, Tianjin 300072, Peoples R China.
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- Liu, Tiegen (författare)
- Tianjin Univ, Sch Precis Instruments & Optoelect Engn, Tianjin 300072, Peoples R China.
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- Xu, Tongyang (författare)
- Newcastle Univ, Sch Engn, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England.;UCL, Dept Elect & Elect Engn, London W E 7JE, England.;Tianjin Univ, Tianjin 300072, Peoples R China.;UCL, London W E 6BT, England.
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- Hu, Wenxiu (författare)
- Univ Warwick, Sch Engn, Coventry CV4 7AL, W Midlands, England.
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- Popov, Sergei (författare)
- KTH,Fotonik
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- Leeson, Mark S. (författare)
- Univ Warwick, Sch Engn, Coventry CV4 7AL, W Midlands, England.
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- Zhao, Jian (författare)
- Tianjin Univ, Sch Precis Instruments & Optoelect Engn, Tianjin 300072, Peoples R China.
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- Xu, Tianhua (författare)
- Univ Warwick, Sch Engn, Coventry CV4 7AL, W Midlands, England.
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Tianjin Univ, Sch Precis Instruments & Optoelect Engn, Tianjin 300072, Peoples R China Newcastle Univ, Sch Engn, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England.;UCL, Dept Elect & Elect Engn, London W E 7JE, England.;Tianjin Univ, Tianjin 300072, Peoples R China.;UCL, London W E 6BT, England. (creator_code:org_t)
- Institute of Electrical and Electronics Engineers (IEEE), 2022
- 2022
- Engelska.
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Ingår i: Journal of Lightwave Technology. - : Institute of Electrical and Electronics Engineers (IEEE). - 0733-8724 .- 1558-2213. ; 40:21, s. 7106-7116
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- In this work, a perturbation-based neural network (P-NN) scheme with an embedded bidirectional long short-term memory (biLSTM) layer is investigated to compensate for the Kerr fiber nonlinearity in optical fiber communication systems. Numerical simulations have been carried out in a 32-Gbaud dual-polarization 16-ary quadrature amplitude modulation (DP-16QAM) transmission system. It is shown that this P-NN equalizer can achieve signal-to-noise ratio improvements of similar to 1.37 dB and similar to 0.80 dB, compared to the use of a linear equalizer and a single step per span (StPS) digital back propagation (DBP) scheme, respectively. The P-NN equalizer requires lower computational complexity and can effectively compensate for intra-channel nonlinearity. Meanwhile, the performance of P-NN is more robust to the distortion caused by equalization enhanced phase noise (EEPN). Furthermore, it is also found that there exists a tradeoff between the choice of modulation format and the nonlinear equalization schemes for a given transmission distance.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Signalbehandling (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Signal Processing (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Telekommunikation (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Telecommunications (hsv//eng)
Nyckelord
- Optical fiber dispersion
- Perturbation methods
- Optical fiber networks
- Optical fiber theory
- Symbols
- Dispersion
- Optical fiber polarization
- Equalization enhanced phase noise
- fiber nonlinearity
- first-order perturbation theory
- neural network
- optical fiber communication
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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