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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 34, Iss. 18 — Sep. 15, 2009
  • pp: 2841–2843

Portraying polarization state of terahertz pulse generated by a two-color laser field in air

Yizhu Zhang, Yanping Chen, Shengqi Xu, Hui Lian, Mingwei Wang, Weiwei Liu, See Leang Chin, and Guoguang Mu  »View Author Affiliations


Optics Letters, Vol. 34, Issue 18, pp. 2841-2843 (2009)
http://dx.doi.org/10.1364/OL.34.002841


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Abstract

By using an electro-optic sampling technique, the instantaneous field vector of the terahertz (THz) pulse generated by mixing a near-IR femtosecond pulse and its second harmonic in air has been studied. The polarization of the investigated THz pulse is found to be predominantly linear and orthogonal to that of the second harmonic, revealing the major role of χ x y x y ( 3 ) during the four-wave mixing process.

© 2009 Optical Society of America

OCIS Codes
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(300.6495) Spectroscopy : Spectroscopy, teraherz

ToC Category:
Nonlinear Optics

History
Original Manuscript: April 27, 2009
Revised Manuscript: July 21, 2009
Manuscript Accepted: July 23, 2009
Published: September 14, 2009

Citation
Yizhu Zhang, Yanping Chen, Shengqi Xu, Hui Lian, Mingwei Wang, Weiwei Liu, See Leang Chin, and Guoguang Mu, "Portraying polarization state of terahertz pulse generated by a two-color laser field in air," Opt. Lett. 34, 2841-2843 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-18-2841


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