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Title: Signed chromatic dispersion monitoring of 100Gbit/s CS-RZ DQPSK signal by evaluating the asymmetry ratio of delay tap sampling
Authors: Li, Zhaohui
Zhao, Jian
Cheng, Linghao
Yang, Yanfu
Lu, Chao
Lau, Alan Pak Tao
Yu, Changyuan
Tam, Hwa-yaw
Wai, Ping-kong Alexander
Subjects: Chromatic dispersion
Data storage equipment
Fiber optics
Issue Date: 1-Feb-2010
Publisher: Optical Society of America
Source: Optics express, 1 Feb. 2010, v. 18, no. 3, p. 3149-3157.
Abstract: In this paper, we theoretically and experimentally demonstrated the residual chromatic dispersion (CD) monitoring of 100-Gbit/s carrier suppress return-to-zero differential quadrature phase shift keying (CS-RZ DQPSK) signals by evaluating the asymmetry ratio of delay tap asynchronous sampling. This scheme can easily differentiate the positive and negative residual CD of the fiber link. The resolution of this scheme is better than 8ps/nm and the measurable range is around ± 24ps/nm for 100Gbit/s CS-RZ DQPSK signals. We can also simultaneously realize both signed CD monitoring and demodulation of CS-RZ DQPSK signal based on only one demodulator.
Rights: © 2010 Optical Society of America. This paper was published in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
Type: Journal/Magazine Article
DOI: 10.1364/OE.18.003149
ISSN: 1094-4087
Appears in Collections:EE Journal/Magazine Articles

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