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Hybrid SESAMs for high-repetition rate mode-locked VECSELs

  • Ricky Gibson
  • , Simon P. Tsaoussis
  • , Joshua Rollag
  • , Catherine Nguyen
  • , David Follman
  • , Garrett D. Cole
  • , Sadhvikas Addamane
  • , Jerome V. Moloney
  • , R. Jason Jones

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

A mode-locked VECSEL is reported using a novel hybrid semiconductor saturable absorber mirror (SESAM) consisting of a semiconductor absorber region bonded to a curved dielectric partial reflector. The hybrid SESAM is realized by direct bonding of the saturable absorber to a commercially available ultrafast output coupler, nominally 99.4% reflectivity and GDD of ≤ |20 fs2| with a radius of curvature of 10 cm. In a linear cavity where the curved output coupler is the hybrid SESAM, a pulse-width of 410 femtoseconds is achieved at a repetition rate of 4.2 GHz for a VECSEL operating at a wavelength of 1030 nm.
Original languageEnglish
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
Volume12404
DOIs
StatePublished - Jan 1 2023
Externally publishedYes

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