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Optical Engineering

Phase spectrum algorithm for correction of time distortion in a wavelength demultiplexing analog-to-digital converter
Author(s): Xin Fu; Hongming Zhang; Minyu Yao
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Paper Abstract

An algorithm based on phase spectrum analysis is proposed that can be used to correct the timing distortion between the multiple parallel demultiplexed post-sampling pulse trains in wavelength demultiplexing analog-to-digital converters. The algorithm is theoretically presented and its operational principle is explained. The algorithm is then applied to two parallel demultiplexed post-sampling signals from a proof-of-principle system and fairly good results are obtained. This algorithm is potentially applicable in other opto-electronic hybrid systems where an interleaving and/or multiplexing mechanism is utilized, such as optical time-division multiplexing and optical clock division systems, photonic arbitrary waveform generators, and so on.

Paper Details

Date Published: 1 May 2010
PDF: 5 pages
Opt. Eng. 49(5) 055003 doi: 10.1117/1.3421709
Published in: Optical Engineering Volume 49, Issue 5
Show Author Affiliations
Xin Fu, Tsinghua Univ. (China)
Hongming Zhang, Tsinghua Univ. (China)
Minyu Yao, Tsinghua Univ. (China)


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