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Proceedings Paper

Polarization dependent loss mitigation technologies for digital coherent system
Author(s): Guoxiu Huang; Hisao Nakashima; Yuichi Akiyama; Zhenning Tao; Takeshi Hoshida
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Paper Abstract

The performance of Pol-Mux systems is limited by polarization dependent loss (PDL) which mainly exist in the passive components and optical nodes. In coherent systems, the function of PDL mitigation to increase the transmission distance of polarization multiplexed signal is essential for the digital signal processing (DSP) technology. Several precoding technologies have been investigated with the capability of suppressing PDL penalty in a blind manner, so that the monitoring technology is not required. Space-time code is one of the precoding technologies with low processing complexity and better performance. An inverse matrix method was also investigated basing on the Mueller matrix monitor. The experimental demonstration showed good improvement by this method. In this paper, the PDL monitoring and the mitigation technologies will be summarized and well explained in theory.

Paper Details

Date Published: 31 January 2020
PDF: 7 pages
Proc. SPIE 11308, Metro and Data Center Optical Networks and Short-Reach Links III, 113080L (31 January 2020); doi: 10.1117/12.2544576
Show Author Affiliations
Guoxiu Huang, Fujitsu Ltd. (Japan)
Hisao Nakashima, Fujitsu Ltd. (Japan)
Yuichi Akiyama, Fujitsu Ltd. (Japan)
Zhenning Tao, Fujitsu R&D Ctr. (China)
Takeshi Hoshida, Fujitsu Ltd. (Japan)

Published in SPIE Proceedings Vol. 11308:
Metro and Data Center Optical Networks and Short-Reach Links III
Atul K. Srivastava; Madeleine Glick; Youichi Akasaka, Editor(s)

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