Spatial "rocking" for improving the spatial quality of the beam of broad area semiconductor lasers

Mindaugas Radziunas; Kestutis Staliunas

doi:10.1117/12.921544

15 May 2012 Spatial "rocking" for improving the spatial quality of the beam of broad area semiconductor lasers

Mindaugas Radziunas, Kestutis Staliunas

Author Affiliations +

Proceedings Volume 8432, Semiconductor Lasers and Laser Dynamics V; 84320Q (2012) https://doi.org/10.1117/12.921544
Event: SPIE Photonics Europe, 2012, Brussels, Belgium

Abstract

The spatial "rocking" is a dynamical effect converting a phase-invariant oscillatory system into a phase-bistable one, where the averaged phase of the system locks to one of two values differing by π. In this paper we consider theoretically the spatial rocking of irregularly operating edge emitting broad area semiconductor laser. The stabilization of the laser is realized by the injection of an optical field formed by two, coherently interfering at some angle, beams. We demonstrate that this stabilization is preserved if one or both injected beams are weakly focused, and analyze a corresponding focusing of the emitted field.

Citation Download Citation

Mindaugas Radziunas and Kestutis Staliunas "Spatial "rocking" for improving the spatial quality of the beam of broad area semiconductor lasers", Proc. SPIE 8432, Semiconductor Lasers and Laser Dynamics V, 84320Q (15 May 2012); https://doi.org/10.1117/12.921544

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