Novel scheme of packet-level self-synchronization for all-optical packet networks

被引：0
|
作者：
Ye, XH
Zhang, M
Huang, XT
Ye, PD
机构：
[1] Beijing Univ Posts & Telecommun, Opt Commun Ctr, Beijing 100876, Beijing, Peoples R China
[2] Beijing Univ Posts & Telecommun, Telecommun Engn Dept, Beijing 100876, Beijing, Peoples R China
[3] Beijing Univ Posts & Telecommun, Minist Educ, State Key Lab OCLT, Beijing 100876, Beijing, Peoples R China
来源：
OPTICAL ENGINEERING | 2006年 / 45卷 / 02期
基金：
中国国家自然科学基金;
关键词：
optical fiber communications; optical signal processing; synchronization; semiconductor optical amplifiers; contrast ratio;
D O I：
10.1117/1.2173951
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A novel self-synchronization scheme is proposed that utilizes both cross gain modulation (XGM) and phase modulation, including self-phase modulation (SPM) and cross-phase modulation (XPM), in a semiconductor optical amplifier (SOA). The scheme consists of an SOA and a delay line interferometer. It is simple, integrable, and does not require any special marker pulses. With a proper design of the SOA parameters and interferometer delay time, a synchronization clock with an intensity contrast ratio of more than 20 dB can be obtained from return-to-zero (RZ) pseudorandom bit sequences (PRBSs) at different operation speeds. (c) 2006 Society of Photo-Optical Instrumentation Engineers.
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页数：5
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