Lasers, Fiber Optics, and Communications

Optical domain scheme of pilot-tone-aided carrier phase recovery for Nyquist single-carrier optical communication system

[+] Author Affiliations
Zhaomin Zhang

Beijing University of Posts and Telecommunications, State Key Laboratory of Information Photonics and Optical Communications, Beijing 100876, China

Jiachuan Lin

Beijing University of Posts and Telecommunications, State Key Laboratory of Information Photonics and Optical Communications, Beijing 100876, China

Xiaofei Su

Beijing University of Posts and Telecommunications, State Key Laboratory of Information Photonics and Optical Communications, Beijing 100876, China

Lixia Xi

Beijing University of Posts and Telecommunications, State Key Laboratory of Information Photonics and Optical Communications, Beijing 100876, China

Yaojun Qiao

Beijing University of Posts and Telecommunications, State Key Laboratory of Information Photonics and Optical Communications, Beijing 100876, China

Xiaoguang Zhang

Beijing University of Posts and Telecommunications, State Key Laboratory of Information Photonics and Optical Communications, Beijing 100876, China

Opt. Eng. 53(6), 066108 (Jun 25, 2014). doi:10.1117/1.OE.53.6.066108
History: Received February 10, 2014; Revised May 28, 2014; Accepted May 29, 2014
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Abstract.  We propose an optical domain pilot-aided carrier phase recovery (PA-CPR) scheme used in a single-carrier Nyquist system. A comprehensive mathematical description of the proposed PA-CPR scheme is presented. Optimal parameters for the system are obtained through optimizations. Furthermore, we propose the two-stage PA-CPR algorithm combinations which use the maximum likelihood or constellation transformation phase estimation as the second stage just after the pilot phase compensation. We also make the evaluation and comparison of the linewidth tolerance performances among the proposed two-stage PA-CPR algorithm combinations and other typical CPR algorithms in a 28-Gbaud Nyquist polarization-division multiplexed (PDM)-16QAM optical communication system. The calculation results show that the proposed two-stage PA-CPR algorithm combinations, which have lower complexities, show better performances than others.

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© 2014 Society of Photo-Optical Instrumentation Engineers

Citation

Zhaomin Zhang ; Jiachuan Lin ; Xiaofei Su ; Lixia Xi ; Yaojun Qiao, et al.
"Optical domain scheme of pilot-tone-aided carrier phase recovery for Nyquist single-carrier optical communication system", Opt. Eng. 53(6), 066108 (Jun 25, 2014). ; http://dx.doi.org/10.1117/1.OE.53.6.066108


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