Temporal Cavity Soliton Interaction in Passively Mode-Locked Semiconductor Lasers

Author:

Vladimirov Andrei G.1ORCID

Affiliation:

1. Weierstrass Institute, Mohrenstr. 39, 10117 Berlin, Germany

Abstract

Weak interactions of temporal cavity solitons resulting from gain saturation and recovery in a delay differential model of a long cavity semiconductor laser were studied numerically and analytically using an asymptotic approach. This paper shows that in addition to the usual soliton repulsion leading to a harmonic mode-locking regime, soliton attraction is also possible in a laser with a nonzero linewidth enhancement factor. It is shown numerically that this attraction can lead either to pulse merging or to pulse bound-state formation.

Funder

Deutsche Forschungsgemeinschaft

Publisher

MDPI AG

Subject

General Medicine

Reference30 articles.

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