Room temperature continuous wave milliwatt terahertz source

Maik Scheller, Joe M. Yarborough, Jerome V. Moloney, Mahmoud Fallahi, Martin Koch, Stephan W. Koch

Research output: Contribution to journalArticlepeer-review

190 Scopus citations


We present a continuous wave terahertz source based on intracavity difference frequency generation within a dual color vertical external cavity surface emitting laser. Using a nonlinear crystal with a surface emitting phase matching scheme allows for high conversion efficiencies. Due to the tunability of the dual mode spacing, the entire spectral range of the terahertz gap can be covered. The terahertz output scales quadratically with the intracavity intensity, potentially allowing for terahertz intensities in the range of 10s of milliwatts and beyond.

Original languageEnglish (US)
Pages (from-to)27112-27117
Number of pages6
JournalOptics Express
Issue number26
StatePublished - Dec 20 2010

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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