Abstract
Three-order inter-modulation distortions (IMD3) is a tough problem which appears in analog photonics links (APL). In multi-carrier systems, out-band signals will also lead to nonlinear distortion which is referred as cross-modulation distortion (XMD). The two kinds of distortion will jointly limit dynamic range. In this paper, we propose to adopt an artificial neural network (ANN) as the processing approach which could mitigate IMD3 and XMD simultaneously. The IMD3 and XMD are suppressed by 29.76 dB and 22.18 dB respectively in the experiment. Compared with traditional approaches, the proposed method shows better performance and generalization ability.
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