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Linewidth narrowing of a DFB semiconductor laser at 1.55 μm by optical injection of an Er:ZBLAN microspherical laser

  • F. Lissillour
  • , R. Gabet
  • , P. Féron
  • , P. Besnard
  • , G. Stéphan
  • Institut FOTON-UMR6082

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)

Abstract

An Er:ZBLAN microspherical laser has several laser lines around 1.55 μm with narrow bandwidths (∼ 50-100 kHz). Such a laser is used as a master laser to optically inject a slave DFB semiconductor laser. We show that the slave can be easily locked by one microsphere mode only, enabling a spectral narrowing of the laser line (from 30 MHz to 67 kHz). We stress the selective process of light amplification and filtering effect by the DFB slave.

Original languageEnglish
Pages (from-to)499-504
Number of pages6
JournalEurophysics Letters
Volume55
Issue number4
DOIs
Publication statusPublished - 11 Aug 2001
Externally publishedYes

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