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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 8 — Apr. 16, 2007
  • pp: 4585–4596

Numerical simulations of ultrasimple ultrashort-laser-pulse measurement

Xuan Liu, Rick Trebino, and Arlee V. Smith  »View Author Affiliations

Optics Express, Vol. 15, Issue 8, pp. 4585-4596 (2007)

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We numerically simulate the performance of the ultrasimple frequency-resolved-optical-gating (FROG) technique, GRENOUILLE, for measuring ultrashort laser pulses. While simple in practice, GRENOUILLE has many theoretical subtleties because it involves the second-harmonic generation of relatively tightly focused and broadband pulses. In addition, these processes occur in a thick crystal, in which the phase-matching bandwidth is deliberately made narrow compared to the pulse bandwidth. In these simulations, we include all sum-frequency-generation processes, both collinear and noncollinear. We also include dispersion using the Sellmeier equation for the crystal BBO. Working in the frequency domain, we compute the GRENOUILLE trace for practical—and impractical—examples and show that accurate measurements are easily obtained for properly designed devices.

© 2007 Optical Society of America

OCIS Codes
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(320.7100) Ultrafast optics : Ultrafast measurements

ToC Category:
Ultrafast Optics

Original Manuscript: January 22, 2007
Revised Manuscript: March 26, 2007
Manuscript Accepted: March 27, 2007
Published: April 3, 2007

Xuan Liu, Rick Trebino, and Arlee V. Smith, "Numerical simulations of ultrasimple ultrashortlaser-pulse measurement," Opt. Express 15, 4585-4596 (2007)

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