Journal
OPTICS COMMUNICATIONS
Volume 180, Issue 4-6, Pages 377-382Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0030-4018(00)00727-6
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We investigate the possibility of forming spatiotemporal solitons (optical bullets) in inhomogeneous, dispersive nonlinear media using a graded-index Kerr medium as an example. We use a variational approach to solve the multidimensional, inhomogeneous, nonlinear Schrodinger equation and show that spatiotemporal solitons can be stabilized under certain conditions. We verify their existence by means of a full numerical analysis and show that such solitons should be observable experimentally. (C) 2000 Published by Elsevier Science B.V. All rights reserved.
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