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Analysis of chromatic dispersion compensation and carrier phase recovery in long-haul optical transmission system influenced by equalization enhanced phase noise
University College London, London, United Kingdom ; KTH Royal Institute of Technology, Stockholm, Sweden ; Tianjin University, Tianjin, China.
RISE - Research Institutes of Sweden, ICT, Acreo. (KTH Royal Institute of Technology, Stockholm, Sweden)
RISE - Research Institutes of Sweden, ICT, Acreo.
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2017 (English)In: Optik (Stuttgart), ISSN 0030-4026, E-ISSN 1618-1336, Vol. 138, 494-508 p.Article in journal (Refereed) Published
Abstract [en]

The performance of long-haul coherent optical fiber transmission system is significantly affected by the equalization enhanced phase noise (EEPN), due to the interaction between the electronic dispersion compensation (EDC) and the laser phase noise. In this paper, we present a comprehensive study on different chromatic dispersion (CD) compensation and carrier phase recovery (CPR) approaches, in the n-level phase shift keying (n-PSK) and the n-level quadrature amplitude modulation (n-QAM) coherent optical transmission systems, considering the impacts of EEPN. Four CD compensation methods are considered: the time-domain equalization (TDE), the frequency-domain equalization (FDE), the least mean square (LMS) adaptive equalization are applied for EDC, and the dispersion compensating fiber (DCF) is employed for optical dispersion compensation (ODC). Meanwhile, three carrier phase recovery methods are also involved: a one-tap normalized least mean square (NLMS) algorithm, a block-wise average (BWA) algorithm, and a Viterbi-Viterbi (VV) algorithm. Numerical simulations have been carried out in a 28-Gbaud dual-polarization quadrature phase shift keying (DP-QPSK) coherent transmission system, and the results indicate that the origin of EEPN depends on the choice of chromatic dispersion compensation methods, and the effects of EEPN also behave moderately different in accordance to different carrier phase recovery scenarios.

Place, publisher, year, edition, pages
2017. Vol. 138, 494-508 p.
Keyword [en]
Carrier phase recovery, Chromatic dispersion compensation, Coherent optical detection, Equalization enhanced phase noise, Phase shift keying, Quadrature amplitude modulation, Adaptive optics, Chromatic dispersion, Dispersion compensation, Equalizers, Frequency domain analysis, Least squares approximations, Light transmission, Modulation, Numerical methods, Optical fibers, Optical systems, Phase noise, Phase shift, Quadrature phase shift keying, Recovery, Time domain analysis, Transmissions, Viterbi algorithm, Dual polarization quadrature phase-shift keying (DP-QPSK), Electronic dispersion compensation, Equalization enhanced phase noises (EEPN), Normalized least mean square algorithms, Optical dispersion compensation
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Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-29312DOI: 10.1016/j.ijleo.2017.03.024Scopus ID: 2-s2.0-85016483451OAI: oai:DiVA.org:ri-29312DiVA: diva2:1095229
Available from: 2017-05-12 Created: 2017-05-12 Last updated: 2017-05-12Bibliographically approved

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