Joint blind equalization of PDL and RSOP using extended Kalman filter algorithm in stokes vector direct detection system

Mao Xue; Yang Yanfu; Xiang Qian; Cao Juntao; Zhang Qun; Yao Yong

doi:10.1117/12.2550062

20 December 2019 Joint blind equalization of PDL and RSOP using extended Kalman filter algorithm in stokes vector direct detection system

Mao Xue, Yang Yanfu, Xiang Qian, Cao Juntao, Zhang Qun, Yao Yong

Author Affiliations +

Proceedings Volume 11209, Eleventh International Conference on Information Optics and Photonics (CIOP 2019); 1120958 (2019) https://doi.org/10.1117/12.2550062
Event: Eleventh International Conference on Information Optics and Photonics (CIOP 2019), 2019, Xi'an, China

Abstract

A joint blind equalization algorithm is proposed for compensating polarization-dependent loss (PDL) and random state-of-polarization (RSOP) rotation in a Stokes vector direct detection (SV-DD) system based on a time domain extended Kalman filter (EKF) algorithm. The numerical results confirm that the algorithm has a good performance which can track fast random SOP rotation up to 1.5Mrad/s even when 3dB PDL before and after fiber link is present for high-order modulation format.

Citation Download Citation

Mao Xue, Yang Yanfu, Xiang Qian, Cao Juntao, Zhang Qun, and Yao Yong "Joint blind equalization of PDL and RSOP using extended Kalman filter algorithm in stokes vector direct detection system", Proc. SPIE 11209, Eleventh International Conference on Information Optics and Photonics (CIOP 2019), 1120958 (20 December 2019); https://doi.org/10.1117/12.2550062

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KEYWORDS

Filtering (signal processing)

Modulation

Polarization

Detection and tracking algorithms

Digital signal processing

Forward error correction

Receivers

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