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

Xiaohua Ye; Min Zhang; Xuetian Huang; Peida Ye

doi:10.1117/1.2173951

1 February 2006 Novel scheme of packet-level self-synchronization for all-optical packet networks

Xiaohua Ye, Min Zhang, Xuetian Huang, Peida Ye

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Optical Engineering, Vol. 45, Issue 2, 025004 (February 2006). https://doi.org/10.1117/1.2173951

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.

©(2006) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Xiaohua Ye, Min Zhang, Xuetian Huang, and Peida Ye "Novel scheme of packet-level self-synchronization for all-optical packet networks," Optical Engineering 45(2), 025004 (1 February 2006). https://doi.org/10.1117/1.2173951

Published: 1 February 2006

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KEYWORDS

Chromium

Clocks

Picosecond phenomena

Modulation

Phase shifts

Telecommunications

Interferometers

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