Abstract

A new structure for suppressing the relative intensity noise (RIN) from an optical source is presented. It is based on an integrated dual-polarization dual-parallel modulator and a balanced detector. It only requires a single fiber connected between the transmitter and the receiver whereas two fibers are required in the conventional dual-output modulator based RIN suppression structure. Experimental results demonstrate RIN suppression of >10 dB over 1–16 GHz frequency range with and without RF signal modulation.

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