Terahertz quasi time domain spectroscopy

Maik A Scheller, Martin Koch

Research output: Contribution to journalArticle

75 Citations (Scopus)

Abstract

It is shown theoretically and experimentally that for the specific case of an equidistant frequency spacing of semiconductor laser modes, signals similar to terahertz (THz) time domain spectroscopy (TDS) can be detected in a standard photomixer setup. This quasi TDS system approach enables for both, time and frequency domain data processing. Measurements with a THz system which is based on a low cost multimode laser diode are presented. The system exhibits a bandwidth of 600 GHz and can be applied to the classical THz TDS application scenarios.

Original languageEnglish (US)
Pages (from-to)17723-17733
Number of pages11
JournalOptics Express
Volume17
Issue number20
DOIs
StatePublished - Sep 28 2009
Externally publishedYes

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spectroscopy
semiconductor lasers
laser modes
spacing
bandwidth

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Terahertz quasi time domain spectroscopy. / Scheller, Maik A; Koch, Martin.

In: Optics Express, Vol. 17, No. 20, 28.09.2009, p. 17723-17733.

Research output: Contribution to journalArticle

Scheller, Maik A ; Koch, Martin. / Terahertz quasi time domain spectroscopy. In: Optics Express. 2009 ; Vol. 17, No. 20. pp. 17723-17733.
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