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Optics Letters

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  • Vol. 30, Iss. 3 — Feb. 1, 2005
  • pp: 326–328

Interferometric technique for measuring broadband ultrashort pulses at the sampling limit

Ellen M. Kosik, Aleksander S. Radunsky, Ian A. Walmsley, and Christophe Dorrer  »View Author Affiliations


Optics Letters, Vol. 30, Issue 3, pp. 326-328 (2005)
http://dx.doi.org/10.1364/OL.30.000326


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Abstract

We present a new technique for measuring ultrashort optical pulses by use of spectral phase interferometry for direct electric-field reconstruction that is suitable for large bandwidth pulses. The method does not require generation of a replica of the pulse to be measured and encodes the spectral phase information in a spatial interference pattern. A major advantage of this method is that the spectral sampling saturates the Whittaker-Shannon bound. Moreover, the technique allows for the characterization of some types of space-time coupling. An experimental demonstration of the technique is presented.

© 2005 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.3940) Instrumentation, measurement, and metrology : Metrology
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(320.0320) Ultrafast optics : Ultrafast optics
(320.5550) Ultrafast optics : Pulses
(320.7100) Ultrafast optics : Ultrafast measurements

Citation
Ellen M. Kosik, Aleksander S. Radunsky, Ian A. Walmsley, and Christophe Dorrer, "Interferometric technique for measuring broadband ultrashort pulses at the sampling limit," Opt. Lett. 30, 326-328 (2005)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-30-3-326


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