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14 December 2011 Analysis of nonlinear effects in RSOA-based OFDM-PON
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Proceedings Volume 8309, Optical Transmission Systems, Subsystems, and Technologies IX; 830924 (2011) https://doi.org/10.1117/12.905445
Event: SPIE/OSA/IEEE Asia Communications and Photonics, 2011, Shanghai, China
Abstract
In this paper, a numerical investigation on the nonlinear distortion of OFDM (Orthogonal Frequency Division Multiplexed) signals caused by RSOA (Reflective Semiconductor Optical Amplifier) as an intensity modulator in OFDM-PON system is undertaken. Based on curve fitting approach a fourth order polynomial is, for the first time, used to present the nonlinear gain of RSOA. The expression of in-band and adjacent-band noise due to nonlinear distortion is then derived. Besides, the EVM of system versus input signal power is simulated by VPItransmissionmaker7.6, the results indicate the nonlinear effects-induced degradation of transmission performance depends highly on the third order term of nonlinear distortion power, and the optimum input signal power is provided to improve the transmission performance. Finally, it's worth mentioning that the quantified analysis method is applicable for the nonlinearity analysis of any RSOA-Based OFDM-PON system.
© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Xiaochuan Guo, Rujian Lin, Yin Tan, Shujia Zhou, and Jian Zhang "Analysis of nonlinear effects in RSOA-based OFDM-PON", Proc. SPIE 8309, Optical Transmission Systems, Subsystems, and Technologies IX, 830924 (14 December 2011); https://doi.org/10.1117/12.905445
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