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96 mW longitudinal single mode red-emitting distributed Bragg reflector ridge waveguide laser with tenth order surface gratings.

Authors
  • Feise, D
  • John, W
  • Bugge, F
  • Blume, G
  • Hassoun, T
  • Fricke, J
  • Paschke, K
  • Erbert, G
Type
Published Article
Journal
Optics Letters
Publisher
The Optical Society
Publication Date
May 01, 2012
Volume
37
Issue
9
Pages
1532–1534
Identifiers
DOI: 10.1364/OL.37.001532
PMID: 22555728
Source
Medline
License
Unknown

Abstract

Red-emitting ridge waveguide lasers with integrated tenth order surface distributed Bragg reflector gratings were developed. The grating was implemented by the use of a BCl3-Ar-plasma, while the shape of the grating trench was controlled by additional He-backside cooling of the wafer. The devices exhibit longitudinal single mode operation up to 96 mW at 635.3 nm with a side mode suppression ratio of 18 dB and a good beam quality of M2<3. The spectrum is free of mode hops for a span of more than 55 pm.

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