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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 12 — Jun. 13, 2005
  • pp: 4594–4599

Dependence of multiple filamentation on beam ellipticity

Taylor Grow and Alexander Gaeta  »View Author Affiliations


Optics Express, Vol. 13, Issue 12, pp. 4594-4599 (2005)
http://dx.doi.org/10.1364/OPEX.13.004594


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Abstract

We investigate the effects of beam ellipticity on the dynamics of multiple filamentation. We find that increasing the ellipticity of the initial beam decreases the power required for multiple filamentation. At lower input ellipticities, the beam breaks into filaments along its widest dimension, whereas for higher ellipticities the pulse breaks into bands and then into filaments as the power is increased. The breakup patterns of the beam along the wider dimension are consistent with the modulational instability, and these patterns are independent of polarization and noise. Numerical simulations are in qualitative agreement with these features of multiple filamentation breakup.

© 2005 Optical Society of America

OCIS Codes
(190.5530) Nonlinear optics : Pulse propagation and temporal solitons
(320.7110) Ultrafast optics : Ultrafast nonlinear optics

ToC Category:
Research Papers

History
Original Manuscript: April 12, 2005
Revised Manuscript: May 19, 2005
Published: June 13, 2005

Citation
Taylor Grow and Alexander Gaeta, "Dependence of multiple filamentation on beam ellipticity," Opt. Express 13, 4594-4599 (2005)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-13-12-4594


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