Novel low-loss 3-element ring resonator for second-harmonic generation of 808nm into 404nm using periodically poled KTP

  • Jesper Holm
  • , Ole Bjarlin Jensen
  • , Bernd Sumpf
  • , Götz Erbert
  • , Stefan Andersson-Engels
  • , Peter E. Andersen
  • , Paul Michael Petersen

Research output: Chapter in Book/Report/Conference proceedingsConference proceedingpeer-review

Abstract

We present a novel ring resonator for second harmonic generation consisting of only two spherical mirrors and a refractive element. In our work we use periodically poled KTP as a nonlinear material for generating the second harmonic using an 808nm tapered grating stabilized external cavity laser as pump source. With 286mW of fundamental 808nm radiation coupled into the resonator, we generate 130mW blue light at 404 nm, resulting in a power conversion efficiency of 45%.

Original languageEnglish
Title of host publicationNonlinear Frequency Generation and Conversion
Subtitle of host publicationMaterials, Devices, and Applications VI
DOIs
Publication statusPublished - 2007
Externally publishedYes
EventNonlinear Frequency Generation and Conversion: Materials, Devices, and Applications VI - San Jose, CA, United States
Duration: 23 Jan 200724 Jan 2007

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume6455
ISSN (Print)0277-786X

Conference

ConferenceNonlinear Frequency Generation and Conversion: Materials, Devices, and Applications VI
Country/TerritoryUnited States
CitySan Jose, CA
Period23/01/0724/01/07

Keywords

  • KTP
  • Optical resonators
  • Second harmonic generation
  • Tapered lasers

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