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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Vol. 20, Iss. 8 — Aug. 1, 2003
  • pp: 1658–1665

Temporal focusing by use of composite X waves

Amr M. Shaarawi, Ioannis M. Besieris, and Tarek M. Said  »View Author Affiliations

JOSA A, Vol. 20, Issue 8, pp. 1658-1665 (2003)

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It is shown that highly focused pulses can be shaped by exciting a finite aperture with a spread-out pulse train of X waves. The basis of the proposed scheme is that the peaks of X waves, characterized by different apex angles, travel at different velocities. This property allows one to vary the temporal starting points of the initial excitations of a sequence of X waves so that all their peaks meet at a chosen focusing point. It is demonstrated that this simple criterion can be effective in producing a highly focused, composite X-wave pulse that exhibits a slower decay behavior than the individual X-wave components used in synthesizing it.

© 2003 Optical Society of America

OCIS Codes
(320.5540) Ultrafast optics : Pulse shaping
(320.5550) Ultrafast optics : Pulses

Original Manuscript: October 17, 2002
Revised Manuscript: March 10, 2003
Manuscript Accepted: March 10, 2003
Published: August 1, 2003

Amr M. Shaarawi, Ioannis M. Besieris, and Tarek M. Said, "Temporal focusing by use of composite X waves," J. Opt. Soc. Am. A 20, 1658-1665 (2003)

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