Determination of the phase of terahertz few-cycle laser pulses
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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