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Optical Engineering

Novel scheme of packet-level self-synchronization for all-optical packet networks
Author(s): Xiaohua Ye; Min Zhang; Xuetian Huang; Peida Ye
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Paper Abstract

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.

Paper Details

Date Published: 1 February 2006
PDF: 5 pages
Opt. Eng. 45(2) 025004 doi: 10.1117/1.2173951
Published in: Optical Engineering Volume 45, Issue 2
Show Author Affiliations
Xiaohua Ye, Beijing Univ. of Posts and Telecommunications (China)
Min Zhang, Beijing Univ. of Posts and Telecommunications (China)
Xuetian Huang, Beijing Univ. of Posts and Telecommunications (China)
Peida Ye, Beijing Univ. of Posts and Telecommunications (China)


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