Effects of chromatic dispersion on optical coherent-detection systems

被引：2
|
作者：
Ho, Keang-Po [1 ]
Wang, Hsi-Cheng [2 ]
机构：
[1] SiBEAM, Sunnyvale, CA 95084 USA
[2] Natl Taiwan Univ, Inst Commun Engn, Taipei 106, Taiwan
来源：
IEEE TRANSACTIONS ON COMMUNICATIONS | 2008年 / 56卷 / 09期
关键词：
chromatic dispersion; optical fiber communication systems; time-resolved optical filtering;
D O I：
10.1109/TCOMM.2008.060432
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：
Chromatic dispersion induces to a phase-modulated optical signal a constand phase rotation that was never included in most previous studies. When the constant phase shift is removed by a phase-locked loop, the dispersion tolerance of a coherent-detection system is increased. The dispersion tolerance of phase-shift keying (PSK) signal is compared with differential PSK (DPSK) signals by numerical simulation and experimental measurement. Contrary to conventional belief, PSK signal has larger dispersion tolerance than DPSK signal.
引用
收藏
页码：1422 / 1424
页数：3
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