General ultrafast pulse measurement using the cross-correlation single-shot sonogram technique

Derryck T. Reid, Jesus Garduno-Mejia

Research output: Contribution to journalArticle

Abstract

The cross-correlation single-shot sonogram technique offers exact pulse measurement and real-time pulse monitoring via an intuitive time-frequency trace whose shape and orientation directly indicate the spectral chirp of an ultrashort laser pulse. We demonstrate an algorithm that solves a fundamental limitation of the cross-correlation sonogram method, namely, that the time-gating operation is implemented using a replica of the measured pulse rather than the ideal delta-function-like pulse. Using a modified principal-components generalized projections algorithm, we experimentally show accurate pulse retrieval of an asymmetric double pulse, a case that is prone to systematic error when one is using the original sonogram retrieval algorithm. © 2004 Optical Society of America.

Original languageEnglish
Pages (from-to)644-646
Number of pages3
JournalOptics Letters
Volume29
Issue number6
Publication statusPublished - 15 Mar 2004

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sonograms
cross correlation
shot
pulses
retrieval
delta function
chirp
replicas
systematic errors
projection

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title = "General ultrafast pulse measurement using the cross-correlation single-shot sonogram technique",
abstract = "The cross-correlation single-shot sonogram technique offers exact pulse measurement and real-time pulse monitoring via an intuitive time-frequency trace whose shape and orientation directly indicate the spectral chirp of an ultrashort laser pulse. We demonstrate an algorithm that solves a fundamental limitation of the cross-correlation sonogram method, namely, that the time-gating operation is implemented using a replica of the measured pulse rather than the ideal delta-function-like pulse. Using a modified principal-components generalized projections algorithm, we experimentally show accurate pulse retrieval of an asymmetric double pulse, a case that is prone to systematic error when one is using the original sonogram retrieval algorithm. {\circledC} 2004 Optical Society of America.",
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General ultrafast pulse measurement using the cross-correlation single-shot sonogram technique. / Reid, Derryck T.; Garduno-Mejia, Jesus.

In: Optics Letters, Vol. 29, No. 6, 15.03.2004, p. 644-646.

Research output: Contribution to journalArticle

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