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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 19 — Oct. 1, 2007
  • pp: 2816–2818

Supercontinuum and third-harmonic generation accompanying optical filamentation as first-order scattering processes

M. Kolesik, E. M. Wright, and J. V. Moloney  »View Author Affiliations


Optics Letters, Vol. 32, Issue 19, pp. 2816-2818 (2007)
http://dx.doi.org/10.1364/OL.32.002816


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Abstract

It is demonstrated numerically that the supercontinuum generation and third-harmonic generation that accompany optical filamentation in nonlinear dispersive bulk media can be described as first-order scattering processes akin to the first Born approximation. In particular, for an incident ultrashort pulse the angularly resolved spectrum of the transmitted pulse is shown to be accurately determined using first-order scattering of the incident field from the nonlinearly modified refractive index due to the optical filament. Thus, although an optical filament is a highly nonlinear object, the accompanying supercontinuum generation and third-harmonic generation are driven parametrically by the filament and have negligible back action upon it.

© 2007 Optical Society of America

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(190.5940) Nonlinear optics : Self-action effects
(320.2250) Ultrafast optics : Femtosecond phenomena
(320.5550) Ultrafast optics : Pulses

ToC Category:
Nonlinear Optics

History
Original Manuscript: June 20, 2007
Revised Manuscript: August 3, 2007
Manuscript Accepted: August 21, 2007
Published: September 24, 2007

Citation
M. Kolesik, E. M. Wright, and J. V. Moloney, "Supercontinuum and third-harmonic generation accompanying optical filamentation as first-order scattering processes," Opt. Lett. 32, 2816-2818 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-19-2816

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