IS15 – Inverse Hyperbolic-Tangent Pre-distortion for OOFDM Systems

We propose an inverse hyperbolic-tangent-based digital pre-distorter that can suppress the Mach-Zehnder modulator-induced harmonic distortions by about 13 dB for single-tone signals, while maintaining the peak-to-average power ratio in optical orthogonal frequency division multiplexed signals.

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