Adaptive Compensation for SOA-Induced Nonlinear Distortion with Training-Based Estimation of SOA Device Parameters

The SOA-induced nonlinear distortion is compensated solving a time-evolving equation for the gain exponent using SOA device parameters estimated by our proposed training-based technique. In experiments for 32-GBaud PDM-16QAM, a maximum 2.52-dB Q-factor improvement was obtained by adaptive nonlinear compensation.

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