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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 24 — Nov. 23, 2009
  • pp: 22031–22040

THz photomixing synthesizer based on a fiber frequency comb

Gaël Mouret, Francis Hindle, Arnaud Cuisset, Chun Yang, Robin Bocquet, Michel Lours, and Daniele Rovera  »View Author Affiliations


Optics Express, Vol. 17, Issue 24, pp. 22031-22040 (2009)
http://dx.doi.org/10.1364/OE.17.022031


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Abstract

A frequency doubled erbium doped modelocked fiber frequency comb is used to implement a THz photomixing synthesizer. The useful THz linewidth is in order of 150 kHz and has been assessed along with the frequency accuracy by spectroscopic measurements demonstrating a relative accuracy of 10−8 at frequencies around 1 THz. The THz synthesizer is used to implement a THz spectrometer to study the rotational absorption spectrum of carbonyl sulfide (OCS). Measurement of the principal transitions between 813 GHz and 1283 GHz allowed the properties of the THz spectrometer to be compared with competing techniques, and demonstrates the potential of the THz photomixing synthesizer as an alternative means to explore the THz domain.

© 2009 OSA

OCIS Codes
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.3930) Instrumentation, measurement, and metrology : Metrological instrumentation
(300.6495) Spectroscopy : Spectroscopy, teraherz

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: September 10, 2009
Revised Manuscript: October 26, 2009
Manuscript Accepted: October 26, 2009
Published: November 17, 2009

Citation
Gaël Mouret, Francis Hindle, Arnaud Cuisset, Chun Yang, Robin Bocquet, Michel Lours, and Daniele Rovera, "THz photomixing synthesizer based on a fiber frequency comb," Opt. Express 17, 22031-22040 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-24-22031


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