Numerical analysis of external feedback concepts for spectral stabilization of high-power broad-area semiconductor lasers

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3 Scopus citations

Abstract

Four different external resonator concepts including VBGs for spectral stabilization of HPDLs are modelled and numerically evaluated to be compared to each other with respect to stabilization efficiency and sensitivity to the “smile-error". The coupled resonators including the external system and the diode laser are solved with a Fox-Li approach. The paper gives a brief summary about the applied simulation model and proceeds with the results for the different feedback concepts. The effective reflectivity, losses in the optical system, losses due to the back-coupling into the waveguide and the averaged optical confinement factor are calculated.

Original languageEnglish
Title of host publicationHigh-Power Diode Laser Technology and Applications XII
PublisherSPIE
ISBN (Print)9780819498786
DOIs
StatePublished - 2014
Externally publishedYes
EventHigh-Power Diode Laser Technology and Applications XII - San Francisco, CA, United States
Duration: 2 Feb 20144 Feb 2014

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume8965
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceHigh-Power Diode Laser Technology and Applications XII
Country/TerritoryUnited States
CitySan Francisco, CA
Period2/02/144/02/14

Keywords

  • external feedback
  • external resonators
  • semiconductor lasers
  • spectral stabilization

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