Compensating for Nonlinear Effects in Coherent-Detection Optical Transmission Systems
Release Date：2012-04-06
Author：Fan Zhang
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[Abstract] Fiber nonlinearity is one of the most important limiters of capacity in coherent optical communications. In this paper, we review two nonlinear compensation methods: digital backward propagation (BP) and nonlinear electrical equalizer (NLEE) based on the time-domain Volterra series. These compensation algorithms are implemented in a single-channel 50 Gb/s coherent optical single-carrier frequency-division multiplexed (CO-SCFDM) system transmitting over 10 × 80 km of standard single-mode fiber (SSMF).
[Keywords] coherent optical communication; fiber nonlinearity; digital signal processing
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