Mode locking of lateral modes in broad-area semiconductor lasers by subharmonic optical pulse injection

descriptionPublicationkeyboard_double_arrow_right Article 06 Mar 2006 Belgium English Publisher:AIP PublishingJournal:Applied Physics Letters, volume 88 (issn: 0003-6951, eissn: 1077-3118,

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Authors: Kaiser, J.; FISCHER Bert, Ingo; Elsasser, W.;

doi: 10.1063/1.2185252

handle: 20.500.14017/095e8bf9-25ef-4118-a154-6dc7ffb4cd12

Mode locking of lateral modes in broad-area semiconductor lasers by subharmonic optical pulse injection

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Abstract

We generate stable mode-locking of different lateral modes in broad-area semiconductor lasers (BALs) by local injection of short optical pulses repeated at subharmonics of the lateral mode separation. The locking results in a persistent, periodic spatiotemporal dynamics consisting of a laterally alternating intensity modulation with a repetition rate of 3.4GHz, which can be regarded as an enhancement and stabilization of the spontaneous dynamic filamentation that is frequently observed in free running BALs.

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Belgium

Related Organizations

Vrije Universiteit Brussel
Belgium
TU Darmstadt
Germany

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