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Mid-infrared frequency comb with 6.7 W average power based on difference frequency generation

  • Anthony Catanese
  • , Jay Rutledge
  • , Myles C. Silfies
  • , Xinlong Li
  • , Henry Timmers
  • , Abijith S. Kowligy
  • , Alex Lind
  • , Scott A. Diddams
  • , Thomas K. Allison
  • Stony Brook University
  • National Institute of Standards and Technology
  • University of Colorado Boulder

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

We report on the development of a high-power mid-infrared frequency comb with 100 MHz repetition rate and 100 fs pulse duration. Difference frequency generation is realized between two branches derived froman Er:fiber comb, amplified separately in Yb:fiber and Er:fiber amplifiers. Average powers of 6.7 W and 14.9 W are generated in the 2.9μm idler and 1.6μm signal, respectively. With high average power, excellent beam quality, and passive carrier-envelope phase stabilization, this light source is a promising platform for generating broadband frequency combs in the far infrared, visible, and deep ultraviolet.

Original languageEnglish
Pages (from-to)1248-1251
Number of pages4
JournalOptics Letters
Volume45
Issue number5
DOIs
StatePublished - Mar 1 2020

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