Passively mode-locked lasers with integrated chirped Bragg grating reflectors

Michael John Strain, Piotr M Stolarz, Marc Sorel

Research output: Contribution to journalArticlepeer-review

22 Citations (Scopus)

Abstract

Passively mode-locked laser devices are presented incorporating chirped distributed Bragg reflectors. The Bragg grating sections consist of post-growth, sidewall relief, tapered gratings, offering continuous chirp and modulation of the coupling coefficient. Blue-chirped gratings are found to compensate for the pulse chirp accumulated in the laser gain and absorption sections. Pulses are measured with the largest 3 dB bandwidths, up to 2.3 nm, and smallest pulsewidths, 1.49 ps, achieved in passively mode-locked DBR lasers.
Original languageEnglish
Pages (from-to)492-499
Number of pages8
JournalIEEE Journal of Quantum Electronics
Volume47
Issue number4
DOIs
Publication statusPublished - Apr 2011

Keywords

  • Bragg gratings
  • chirp modulation
  • dispersion compensation
  • semiconductor lasers
  • mode-locked lasers

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