High-power green light generation by second harmonic generation of single-frequency tapered diode lasers

Ole Bjarlin Jensen, Peter E. Andersen, Bernd Sumpf, Karl-Heinz Hasler, Götz Erbert, Paul Michael Petersen

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Abstract

We demonstrate the generation of high power (>1.5W) and single-frequency green light by single-pass second harmonic generation of a high power tapered diode laser. The tapered diode laser consists of a DBR grating for wavelength selectivity, a ridge section and a tapered section. The DBR tapered laser emits in excess of 9 W single-frequency output power with a good beam quality. The output from the tapered diode laser is frequency doubled using periodically poled MgO:LiNbO3. We investigate the modulation potential of the green light and improve the modulation depth from 1:4 to 1:50.
Original languageEnglish
Title of host publicationProceedings of SPIE
Number of pages9
Volume7582
PublisherSPIE - International Society for Optical Engineering
Publication date2010
Article number758203
DOIs
Publication statusPublished - 2010
EventPhotonics West: Lasers and Applications in Science and Engineering : Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications IX - San Francisco, CA, USA
Duration: 1 Jan 2010 → …

Conference

ConferencePhotonics West: Lasers and Applications in Science and Engineering : Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications IX
CitySan Francisco, CA, USA
Period01/01/2010 → …
SeriesProceedings of SPIE, the International Society for Optical Engineering
ISSN0277-786X

Bibliographical note

Copyright 2010 Society of Photo Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic electronic or print reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.

Keywords

  • second harmonic generation
  • frequency doubling
  • tapered diode laser
  • SHG

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