Volume Bragg grating external cavities for the passive phase locking of high-brightness diode laser arrays: theoretical and experimental study

David Paboeuf, Deepak Vijayakumar, Ole Bjarlin Jensen, Birgitte Thestrup Nielsen, Jun Lim, Slawomir Sujecki, Eric Larkins, Gaelle Lucas-Leclin, Patrick Georges

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Abstract

We describe the theoretical modeling of the external-cavity operation of a phase-locked array of diode lasers in two configurations, the self-imaging cavity based on the Talbot effect and the angular-filtering cavity. Complex filtering functions, such as the transmission or reflection of a volume Bragg grating (VBG), may be introduced in the external-cavity description. Experiments with high-brightness diode laser arrays were also conducted. The experimental results are carefully analyzed with regard to the numerical simulations, and the beneficial effect of the spectral selectivity of VBGs is demonstrated. (C) 2011 Optical Society of America
Original languageEnglish
JournalOptical Society of America. Journal B: Optical Physics
Volume28
Issue number5
Pages (from-to)1289-1299
ISSN0740-3224
DOIs
Publication statusPublished - 2011

Bibliographical note

This paper was published in Optical Society of America. Journal B: Optical Physics 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/abstract.cfm?URI=josab-28-5-1289. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

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