Ultra-Wide Range In-Service Chromatic Dispersion Measurement using Coherent Detection and Digital Signal Processing

Junyi Wang; Xin Jiang; Xuan He; Z. Pan

doi:10.1364/ACP.2011.83091J

Optical Transmission Systems, Subsystems, and Technologies
Proceedings of SPIE (Optica Publishing Group, 2011),
paper 83091J
•https://doi.org/10.1364/ACP.2011.83091J

Ultra-Wide Range In-Service Chromatic Dispersion Measurement using Coherent Detection and Digital Signal Processing

Junyi Wang, Xin Jiang, Xuan He, and Z. Pan

Asia Communications and Photonics Conference and Exhibition 2011

Shanghai China
13–16 November 2011
ISBN: 978-0-8194-8957-9

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Modulation, Detection, and Transmission II (MDTII)

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J. Wang, X. Jiang, X. He, and Z. Pan, "Ultra-Wide Range In-Service Chromatic Dispersion Measurement using Coherent Detection and Digital Signal Processing," in Optical Transmission Systems, Subsystems, and Technologies, X. Liu, E. Ciaramella, N. Wada, and N. Chi, eds., Vol. 8309 of Proceedings of SPIE (Optica Publishing Group, 2011), paper 83091J.

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Abstract

We proposed an ultra-wide range chromatic dispersion (CD) measurement method using coherent detection and digital signal processing. We measured the average phase at frequency ± f as a function of frequency f, and estimated the total accumulated CD with polynomial fitting algorithm. The method is compatible with modern coherent optical networks and capable of measuring CD of at least ± 16000 ps/nm with an accuracy of better than ± 50 ps/nm.

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