Effective homodyne optical phase locking to PSK signal by means of 8b10b line coding

被引:22
作者
Chiuchiarelli, Andrea [1 ]
Fice, Martyn J. [2 ]
Ciaramella, Ernesto [1 ]
Seeds, Alwyn J. [2 ]
机构
[1] Scuola Super Sant Anna, I-56127 Pisa, Italy
[2] UCL, Dept Elect & Elect Engn, London WC1E 7JE, England
关键词
D O I
10.1364/OE.19.001707
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We demonstrate a novel technique that allows effective homodyne optical phase locking to a phase shift keying (PSK) signal with a residual carrier. We exploit 8b10b coding of the signal in order to reduce its low frequency spectral content, suppressing the data-to-phase crosstalk effect. In a transmission experiment on a 10 Gb/s binary PSK signal (8 Gb/s before coding), we achieved transmission over 215 km of dispersion-compensated, installed single-mode fibre, with no penalty compared to back-to-back at a bit error ratio of 10(-3). The proposed solution is applicable to other modulation formats, including multi-level amplitude and/or phase modulation formats. (C) 2011 Optical Society of America
引用
收藏
页码:1707 / 1712
页数:6
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