期刊
OPTICS EXPRESS
卷 19, 期 10, 页码 9868-9880出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.19.009868
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资金
- Strategic Information and Communications R&D Promotion Programme (SCOPE) [081503001]
- Ministry of Internal Affairs and Communications, Japan
- Ministry of Education, Science, Sports and Culture, Japan [22246046]
- Grants-in-Aid for Scientific Research [22246046] Funding Source: KAKEN
In the digital coherent optical receiver, we can achieve polarization demultiplexing in the digital domain, using a two-by-two matrix controlled by the constant-modulus algorithm (CMA). In this paper, after elucidating the physics behind CMA for polarization demultiplexing, we discuss the performance limit of CMA-based polarization demultiplexing through computer simulations. The method of improving its performance is also demonstrated. (C) 2011 Optical Society of America
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