Digital Compensation of Relative Phase Noise for DSCM Based Coherent Transmission System Using Forward Pumped Distributed Raman Amplification
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Issue Date
2018-12-12Author
Vedala, Govind
Akasaka, Youichi
Ikeuchi, Tadashi
Hui, Rongqing
Publisher
IEEE
Type
Article
Article Version
Scholarly/refereed, author accepted manuscript
Rights
2018 IEEE. Translations and content mining are permitted for academic research only.
Personal use is also permitted, but republication/redistribution requires IEEE permission.
See http://www.ieee.org/publications_standards/publications/rights/index.html for more information.
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Show full item recordAbstract
We experimentally demonstrate pilot aided compensation of relative phase noise
(RPN) in a distributed Raman amplified coherent fiber optic system with forward pumping.
This technique effectively eliminates the error floor that arises when conventional phase
noise compensation algorithms track RPN, especially in the context of higher order modulation
formats and low baud rate signals. Extrapolating the experimental results, we also
demonstrate through measurement and simulation, the effectiveness of pilot aided RPN
compensation in a 25 Gbaud, 16-QAM modulated digital-subcarrier system with 2.5 Gbaud
and 5 Gbaud subcarriers.
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Citation
G. Vedala, Y. Akasaka, T. Ikeuchi and R. Hui, "Digital Compensation of Relative Phase Noise for DSCM Based Coherent Transmission System Using Forward Pumped Distributed Raman Amplification," in IEEE Photonics Journal, vol. 11, no. 1, pp. 1-9, Feb. 2019, Art no. 7200509.
doi: 10.1109/JPHOT.2018.2886462
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