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InP femtosecond mode-locked laser in a compound feedback cavity with a switchable repetition rate

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2018-02-01

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OSA Publishing

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To cite this item, use the following identifier: https://hdl.handle.net/10016/28334

Abstract

A monolithically integrated mode-locked semiconductor laser is proposed. The compound ring cavity is composed of a colliding pulse mode-locking (ML) subcavity and a passive Fabry-Perot feedback subcavity. These two 1.6 mm long subcavities are coupled by using on-chip reflectors at both ends, enabling harmonic mode locking. By changing DC-bias conditions, optical mode spacing from 50 to 450 GHz is experimentally demonstrated. Ultrafast pulses shorter than 0.3 ps emitted from this laser diode are shown in autocorrelation traces.

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Optics Letters, (2018), 43(3), pp. 507-510.
DOI: https://doi.org/10.1364/OL.43.000507

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