Volume Bragg grating external cavities for the passive phase locking of high-brightness diode laser arrays: theoretical and experimental study

David Paboeuf, Deepak Vijayakumar, Ole Bjarlin Jensen, Birgitte Thestrup, Jun Lim, Slawomir Sujecki, Eric Larkins, Gaëlle Lucas-Leclin, Patrick Georges

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Abstract

We describe the theoretical modeling of the external-cavity operation of a phase-locked array of diode lasers in two configurations, the self-imaging cavity based on the Talbot effect and the angular-filtering cavity. Complex filtering functions, such as the transmission or reflection of a volume Bragg grating (VBG), may be introduced in the external-cavity description. Experiments with high-brightness diode laser arrays were also conducted. The experimental results are carefully analyzed with regard to the numerical simulations, and the beneficial effect of the spectral selectivity of VBGs is demonstrated.
Original languageEnglish
Pages (from-to)1289-1299
Number of pages11
JournalJournal of the Optical Society of America B
Volume28
Issue number5
DOIs
Publication statusPublished - 1 May 2011

Keywords

  • external cavities
  • diode lasers
  • Talbot effect
  • Bragg gratings

Cite this

Paboeuf, D., Vijayakumar, D., Jensen, O. B., Thestrup, B., Lim, J., Sujecki, S., Larkins, E., Lucas-Leclin, G., & Georges, P. (2011). Volume Bragg grating external cavities for the passive phase locking of high-brightness diode laser arrays: theoretical and experimental study. Journal of the Optical Society of America B, 28(5), 1289-1299. https://doi.org/10.1364/JOSAB.28.001289