Single-frequency terahertz source based on difference frequency generation in an enhancement cavity

Maik Scheller, Justin R. Paul, Alexandre Laurain, Abram Young, Stephan W. Koch, Jerome V. Moloney

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

Abstract

We demonstrate a continuous wave, single-frequency terahertz (THz) source with a linewidth less than 100 kHz. The emitted THz power at 1.9 THz exceeds 100 μW. The source is based on difference frequency generation within an optical enhancement cavity. Two single-frequency semiconductor disc lasers with infrared emission wavelengths spaced by 6.8 nm are used as pump lasers for the nonlinear conversion. To increase the efficiency of the THz generation, the infrared intensity is enhanced by a factor of 100 by phase locking of the two lasers to the external cavity.

Original languageEnglish (US)
Title of host publication2014 39th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2014
PublisherIEEE Computer Society
ISBN (Electronic)9781479938773
DOIs
StatePublished - Nov 13 2014
Event39th International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2014 - Tucson, United States
Duration: Sep 14 2014Sep 19 2014

Publication series

NameInternational Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz
ISSN (Print)2162-2027
ISSN (Electronic)2162-2035

Other

Other39th International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2014
CountryUnited States
CityTucson
Period9/14/149/19/14

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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  • Cite this

    Scheller, M., Paul, J. R., Laurain, A., Young, A., Koch, S. W., & Moloney, J. V. (2014). Single-frequency terahertz source based on difference frequency generation in an enhancement cavity. In 2014 39th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2014 [6956290] (International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz). IEEE Computer Society. https://doi.org/10.1109/IRMMW-THz.2014.6956290