Dependence of multiple filamentation on beam ellipticity
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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