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Optics Letters

Optics Letters


  • Editor: Anthony J Campillo
  • Vol. 32, Iss. 1 — Jan. 1, 2007
  • pp: 93–95

Shortening of a laser pulse with a self-modulated phase at the focus of a lens

Yuelin Li and Robert Crowell  »View Author Affiliations

Optics Letters, Vol. 32, Issue 1, pp. 93-95 (2007)

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We found that, at the focus of a chromatic lens, a laser pulse with a self-modulated phase can be shortened due to the radial dependence of the group delay imposed by the lens. Normally, this group delay stretches a short pulse into a long pulse by spreading the arrival time of the pulse at the focus. However, for a pulse with a self-modulated phase, it causes the fields with different phases to overlap, thus resulting in destructive interference that shortens the pulse.

© 2006 Optical Society of America

OCIS Codes
(190.5940) Nonlinear optics : Self-action effects
(260.0260) Physical optics : Physical optics
(320.5540) Ultrafast optics : Pulse shaping

ToC Category:
Ultrafast Optics

Original Manuscript: July 3, 2006
Revised Manuscript: October 2, 2006
Manuscript Accepted: October 5, 2006
Published: December 13, 2006

Yuelin Li and Robert Crowell, "Shortening of a laser pulse with a self-modulated phase at the focus of a lens," Opt. Lett. 32, 93-95 (2007)

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