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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 33, Iss. 11 — Jun. 1, 2008
  • pp: 1195–1197

Polarization analysis of terahertz radiation generated by four-wave mixing in air

Aurélien Houard, Yi Liu, Bernard Prade, and André Mysyrowicz  »View Author Affiliations


Optics Letters, Vol. 33, Issue 11, pp. 1195-1197 (2008)
http://dx.doi.org/10.1364/OL.33.001195


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Abstract

We examine the generation of terahertz (THz) by optical rectification of a fundamental infrared beam with its first harmonic in ionized air. From polarization measurements we identify an important, yet so far unreported (to our knowledge), cross term ( χ x y x y ( 3 ) + χ x y y x ( 3 ) ) of the nonlinear susceptibility tensor. Omission of this term leads to an error by a factor of 10 6 of the THz intensity obtained with certain polarization configurations.

© 2008 Optical Society of America

OCIS Codes
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(260.3090) Physical optics : Infrared, far
(350.5400) Other areas of optics : Plasmas

ToC Category:
Other Areas of Optics

History
Original Manuscript: January 9, 2008
Revised Manuscript: March 11, 2008
Manuscript Accepted: March 31, 2008
Published: May 23, 2008

Citation
Aurélien Houard, Yi Liu, Bernard Prade, and André Mysyrowicz, "Polarization analysis of terahertz radiation generated by four-wave mixing in air," Opt. Lett. 33, 1195-1197 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-11-1195

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