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Reservoir-Computing for Dispersion Compensation in Digital Filter Multiple Access PON
Author(s) -
Yixian Dong,
Liang Liu,
Yiqian Shi,
Xihua Zou,
Wei Pan,
Lianshan Yan
Publication year - 2023
Publication title -
ieee photonics journal
Language(s) - English
Resource type - Journals
eISSN - 1943-0655
pISSN - 1943-0647
DOI - 10.1109/jphot.2023.3344115
Subject(s) - engineered materials, dielectrics and plasmas , photonics and electrooptics
Chromatic dispersion (CD) is one of the key limitations of increasing the transmission performance for short-reach transmission. The available optical dispersion-compensation techniques are not favored due to their high complexity and other expenses such as power. Reservoir computing is reviewed as a promising technique to provide equalization with memory in an easily trainable fashion, and the properties of the reservoir network are directly linked to system performance. In this article, the digital reservoir computing (RC) based CD-compensation technique is investigated to enhance the transmission performance for digital filter multiple access passive optical network (PON). Numerical results show within 50-km single mode fiber transmission distance for 16 GHz signal bandwidth, the RC-based technique is effective for CD compensation to improve the capacity by 25%.

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