Beam shaping in spatially modulated broad-area semiconductor amplifiers

Herrero Simon, Ramon; Botey Cumella, Muriel; Radziunas, Mindaugas; Staliunas, Kestutis

doi:10.1364/OL.37.005253

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Herrero Simon, Ramon

Botey Cumella, Muriel

Radziunas, Mindaugas

Staliunas, Kestutis

Document typeArticle

Defense date2012-12-15

Rights accessOpen Access

All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder

Abstract

We propose and analyze a beam-shaping mechanism that in broad-area semiconductor amplifiers occurs due to spatial pump modulation on a micrometer scale. The study, performed under realistic parameters and conditions, predicts a spatial (angular) filtering of the radiation, which leads to a substantial improvement of the spatial quality of the beam during amplification. Quantitative analysis of spatial filtering performance is presented based on numerical integration of the paraxial propagation model and on analytical estimations.

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Missatge de l'editor: "This paper was published in Optics letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/ol/abstract.cfm?uri=ol-37-24-5253. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law."

CitationHerrero, R. [et al.]. Beam shaping in spatially modulated broad-area semiconductor amplifiers. "Optics letters", 15 Desembre 2012, vol. 37, núm. 24, p. 5253-5255.

URIhttp://hdl.handle.net/2117/22821

DOI10.1364/OL.37.005253

ISSN0146-9592

Publisher versionhttp://www.opticsinfobase.org/ol/abstract.cfm?uri=ol-37-24-5253

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