Mid-infrared frequency comb generation using a continuous-wave pumped optical parametric oscillator

Markku Vainio, Ville Ulvila, C. R. Phillips, Lauri Halonen

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

2 Citations (Scopus)

Abstract

We report a mid-infrared frequency comb generator, which produces up to 3 W of output power. The comb mode spacing is 208 MHz, the spectral bandwidth is ∼300 GHz, and the center wavelength is tunable between 3 and 3.4 μm. The comb generation is based on intracavity difference frequency mixing between near-infrared pump and signal beams of a continuous-wave-pumped optical parametric oscillator. The signal beam, which is resonant in the cavity, acquires a comb structure through cascading quadratic nonlinearities in a periodically poled lithium niobate crystal. This comb structure is transferred to the spectrum of the mid-infrared idler beam via the difference frequency mixing process.

Original languageEnglish
Title of host publicationNonlinear Frequency Generation and Conversion
Subtitle of host publicationMaterials, Devices, and Applications XIII
PublisherInternational Society for Optics and Photonics SPIE
ISBN (Print)978-0-8194-9877-9
DOIs
Publication statusPublished - 17 Mar 2014
MoE publication typeA4 Article in a conference publication
EventNonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XIII - San Francisco, CA, United States
Duration: 4 Feb 20146 Feb 2014

Publication series

SeriesProceedings of SPIE
Volume8964
ISSN0277-786X

Conference

ConferenceNonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XIII
CountryUnited States
CitySan Francisco, CA
Period4/02/146/02/14

Keywords

  • cascading quadratic nonlinearities
  • Frequency comb
  • mid-infrared
  • optical parametric oscillator

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