Phase noise mitigation in coherent transmission system using a pilot carrier

被引：1

作者：

Xu, Tianhua ^{[1
,2
,3
]}

Jacobsen, Gunnar ^{[2
]}

Popov, Sergei ^{[1
]}

Li, Jie ^{[2
]}

Friberg, Ari T. ^{[1
]}

Zhang, Yimo ^{[3
]}

机构：

[1] Royal Inst Technol, SE-16440 Stockholm, Sweden

[2] Acreo AB, SE-16440 Kista, Sweden

[3] Tianjin Univ, Tianjin 300072, Peoples R China

来源：

2011 ASIA COMMUNICATIONS AND PHOTONICS CONFERENCE AND EXHIBITION (ACP) | 2012年

关键词：

Coherent transmission system; quadrature phase shift keying; phase noise mitigation; chromatic dispersion; equalization enhanced phase noise; pilot carrier;

D O I：

10.1117/12.904038

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, we investigate the phase noise elimination employing an optical pilot carrier in the high speed coherent transmission system considering the equalization enhanced phase noise (EEPN). The numerical simulations are performed in a 28-Gsymbol/s quadrature phase shift keying (QPSK) coherent system with a polarization multiplexed pilot carrier. The carrier phase estimation is implemented by the one-tap normalized least mean square (NLMS) filter and the differential phase detection, respectively. Simulation results demonstrate that the application of the optical pilot carrier is very effective for the intrinsic laser phase noise cancellation, while is less efficient for the EEPN mitigation.

引用

页数：6

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