Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/100084
Title: Relative phase noise induced impairment in CO-OFDM optical communication system with distributed fiber Raman amplifier
Authors: Wu, Jiadi
Cheng, Jingchi
Tang, Ming
Deng, Lei
Songnian, Fu
Shum, Perry Ping
Liu, Deming
Keywords: DRNTU::Engineering::Electrical and electronic engineering::Wireless communication systems
Issue Date: 2014
Source: Wu, J., Cheng, J., Tang, M., Deng, L., Songnian, F., Shum, P. P., et al. (2014). Relative phase noise induced impairment in CO-OFDM optical communication system with distributed fiber Raman amplifier. Optics Letters, 39(10), 2841-2844.
Series/Report no.: Optics letters
Abstract: In this letter, we demonstrate that the interplay between Raman pump relative intensity noise and cross-phase modulation leads to a relative phase noise (RPN) that brings non-negligible performance degradation to coherent optical orthogonal frequency-division multiplexing (CO-OFDM) transmission systems with co-pumped Raman amplification. By theoretical analysis and numerical simulation, we proved that RPN brings more system impairment in terms of Q-factor penalty than the single carrier system, and relatively larger walk-off between pump and signal helps to suppress the RPN induced impairment. A higher-order modulated signal is less tolerant to RPN than a lower-order signal. With the same spectral efficiency, the quadrature-amplitude modulation format shows better tolerance to RPN than phase-shift keying. The reported findings will be useful for the design and optimization of Raman amplified CO-OFDM multi-carrier transmission systems.
URI: https://hdl.handle.net/10356/100084
http://hdl.handle.net/10220/19671
DOI: 10.1364/OL.39.002841
Rights: © 2014 Optical Society of America. This paper was published in Optics Letters and is made available as an electronic reprint (preprint) with permission of Optical Society of America. The paper can be found at the following official DOI: [http://dx.doi.org/10.1364/OL.39.002841]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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