1240 nm diamond Raman laser operating near the quantum limit

Alexander Sabella*, James A. Piper, Richard P. Mildren

*Corresponding author for this work

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Abstract

An external-cavity diamond Raman laser generating up to 2:0 W at 1240 nm from 3:3 W of 1064 nm pump power is investigated as a function of pump polarization direction. The maximum conversion efficiency was 61%, and the slope efficiency of 84% closely approaches the quantum limit of 85.8%. The lowest threshold for Raman lasing is achieved for pump polarization parallel to the 111 axis, which we show is consistent with theory.

Original languageEnglish
Pages (from-to)3874-3876
Number of pages3
JournalOptics Letters
Volume35
Issue number23
DOIs
Publication statusPublished - 1 Dec 2010

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Bibliographical note

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/abstract.cfm?URI=ol-35-23-3874]. 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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