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Optical Engineering

Scheme for multicast parametric synchronous optical sampling
Author(s): Xianting Zhang; Zhe Kang; Jinhui Yuan; Qiang Wu; Gerald Farrell; Xinzhu Sang; Chongxiu Yu
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Paper Abstract

We propose a scheme for the real-time optical sampling of a multicast signal based on the parametric process. The linearly chirped and time-broadened pulses are used instead of the traditional mode-locked sampling pulses. The amount of signal copies or the rate of sampling train can be efficiently reduced by the chirped pulses while keeping a high-equivalent sampling rate. Simulation results show that the equivalent sampling rate of 120  GSa/s can be obtained by using only a sampling source of 10 GHz together with three signal copies. This scheme can efficiently improve the sampling rate in the real-time optical sampling and reduce the requirement on electronic devices for signal processing.

Paper Details

Date Published: 5 May 2014
PDF: 7 pages
Opt. Eng. 53(5) 056102 doi: 10.1117/1.OE.53.5.056102
Published in: Optical Engineering Volume 53, Issue 5
Show Author Affiliations
Xianting Zhang, Beijing Univ. of Posts and Telecommunications (China)
Zhe Kang, Beijing Univ. of Posts and Telecommunications (China)
Jinhui Yuan, Beijing Univ. of Posts and Telecommunications (China)
Hong Kong Polytechnic Univ. (China)
Qiang Wu, Beijing Univ. of Posts and Telecommunications (China)
Dublin Institute of Technology (Ireland)
Gerald Farrell, Dublin Institute of Technology (Ireland)
Xinzhu Sang, Beijing Univ. of Posts and Telecommunications (China)
Chongxiu Yu, Beijing Univ. of Posts and Telecommunications (China)


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