Chinese Optics Letters, 2011, 9 (6): 060604, Published Online: May. 13, 2011
Optimized optical phase conjugation configuration for fiber nonlinearity compensation in CO-OFDM systems 
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060.2330 Fiber optics communications 060.4370 Nonlinear optics, fibers 190.3270 Kerr effect 190.5040 Phase conjugation
Abstract
The optimized optical phase conjugation (OPC) configuration is proposed for the 40-Gb/s CO-OFDM system. The proposed configuration for nonlinear cancellation is systematically depicted in transmission links with lumped amplification. Numerical simulations are performed to demonstrate effectiveness. Simulation results show that mid-span spectral inversion (MSSI) can partially compensate for nonlinear distortions. Moreover, its optimized configuration can further improve system performances and increase nonlinear compensation effectiveness. Compared with MSSI, the maximal Q factor, nonlinear threshold, and transmission distance of optimized OPC configuration increase by over 1.6 dB, 2 dB, and 2 times, respectively.
Lujiao Li, Yaojun Qiao, Yuefeng Ji. Optimized optical phase conjugation configuration for fiber nonlinearity compensation in CO-OFDM systems[J]. Chinese Optics Letters, 2011, 9(6): 060604.
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