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An electronic scheme for joint postcompensation of fiber and semiconductor optical amplifier (SOA) impairments based on coherent detection and digital backward propagation is proposed and demonstrated. A 10-GBd amplitude-phase-modulated transmission system was demonstrated experimentally using semiconductor optical amplification. The Q-factor of the received signal was improved by 5 dB with simultaneous...
This paper reviews recent work on receiver-side compensation of nonlinear impairments in optical fiber transmission. Intuitively, both linear and nonlinear impairments can be compensated since they are deterministic processes. In particular, fiber transmission can be modeled using the nonlinear Schrodinger equation that can be solved by the well-known split-step Fourier transform method and fiber...
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