Abstract

A new method to manipulate the chirp characteristics of laser-diode pulses is proposed, utilising the cross-phase modulation in optical fibres. Chirping manipulation of a redshift chirped pulse from a 1.3 µm gain-switched distributed feedback laser diode is first demonstrated by compensating for the residual chirp through the blue-shift chirp induced by a 1.3 µm intense YAG pump pulse.

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