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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 20 — Oct. 15, 2009
  • pp: 3190–3192

Determination of the phase of terahertz few-cycle laser pulses

Chuan-Cun Shu, Kai-Jun Yuan, Wen-Hui Hu, and Shu-Lin Cong  »View Author Affiliations


Optics Letters, Vol. 34, Issue 20, pp. 3190-3192 (2009)
http://dx.doi.org/10.1364/OL.34.003190


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Abstract

We propose an approach to determine the carrier-envelope phase (CEP) of a terahertz few-cycle pulse by observing the field-free molecular orientation. We find that the degree of orientation sensitively depends on the CEP, providing a new route for measuring the CEP without phase ambiguity. By taking advantage of the field-free molecular orientation, an important effect of the CEP drift caused by the dephasing of the generating medium on the accurate measurement of the CEP value is eliminated.

© 2009 Optical Society of America

OCIS Codes
(020.0020) Atomic and molecular physics : Atomic and molecular physics
(320.2250) Ultrafast optics : Femtosecond phenomena

ToC Category:
Ultrafast Optics

History
Original Manuscript: July 2, 2009
Revised Manuscript: September 5, 2009
Manuscript Accepted: September 15, 2009
Published: October 12, 2009

Citation
Chuan-Cun Shu, Kai-Jun Yuan, Wen-Hui Hu, and Shu-Lin Cong, "Determination of the phase of terahertz few-cycle laser pulses," Opt. Lett. 34, 3190-3192 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-20-3190

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