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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 33, Iss. 16 — Aug. 15, 2008
  • pp: 1893–1895

In situ accurate determination of the zero time delay between two independent ultrashort laser pulses by observing the oscillation of an atomic excited wave packet

Qun Zhang and John W. Hepburn  »View Author Affiliations


Optics Letters, Vol. 33, Issue 16, pp. 1893-1895 (2008)
http://dx.doi.org/10.1364/OL.33.001893


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Abstract

We propose a novel method that uses the oscillation of an atomic excited wave packet observed through a pump–probe technique to accurately determine the zero time delay between a pair of ultrashort laser pulses. This physically based approach provides an easy fix for the intractable problem of synchronizing two different femtosecond laser pulses in a practical experimental environment, especially where an in situ time zero measurement with high accuracy is required.

© 2008 Optical Society of America

OCIS Codes
(020.1670) Atomic and molecular physics : Coherent optical effects
(020.4180) Atomic and molecular physics : Multiphoton processes
(300.6500) Spectroscopy : Spectroscopy, time-resolved
(320.2250) Ultrafast optics : Femtosecond phenomena
(320.7100) Ultrafast optics : Ultrafast measurements

ToC Category:
Ultrafast Optics

History
Original Manuscript: May 29, 2008
Manuscript Accepted: July 7, 2008
Published: August 12, 2008

Citation
Qun Zhang and John W. Hepburn, "In situ accurate determination of the zero time delay between two independent ultrashort laser pulses by observing the oscillation of an atomic excited wave packet," Opt. Lett. 33, 1893-1895 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-16-1893


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