Research of nonlinearity in OOFDM communication

Guodan Sun; Rong Wang; Tao Pu; Zhishuang Zhao

doi:10.1117/12.851130

2 December 2009 Research of nonlinearity in OOFDM communication

Guodan Sun, Rong Wang, Tao Pu, Zhishuang Zhao

Proceedings Volume 7632, Optical Transmission Systems, Switching, and Subsystems VII; 763232 (2009) https://doi.org/10.1117/12.851130
Event: Asia Communications and Photonics, 2009, Shanghai, Shanghai , China

Abstract

A direct detection-optical orthogonal frequency division multiplexing (DD-OOFDM) system is studied. The nonlinearity impact of Mach-Zehnder modulator (MZM) on DD-OOFDM transmission is analyzed. Signal to noise ratio (SNR) after MZM is calculated by theory, and proved by simulation. The nonlinearity impact of fiber is analyzed. Pilot-assist (PA) approach based on linear interpolation algorithm is used to smooth channel response and the optimal fiber launch power and MZM modulated depth in this system is obtained.

Citation Download Citation

Guodan Sun, Rong Wang, Tao Pu, and Zhishuang Zhao "Research of nonlinearity in OOFDM communication", Proc. SPIE 7632, Optical Transmission Systems, Switching, and Subsystems VII, 763232 (2 December 2009); https://doi.org/10.1117/12.851130

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