Stable self-trapping and ring formation in polydiacetylene para-toluene sulfonate
- 15 December 1995
- journal article
- Published by Optica Publishing Group in Optics Letters
- Vol. 20 (24), 2481-2483
- https://doi.org/10.1364/ol.20.002481
Abstract
Numerical simulations of two-dimensional beam propagation in polydiacetylene para-toluene sulfonate measured values for n2 > 0 and n3 < 0, where Δn = n2I + n3I2, predict stable self-trapping and a new phenomenon in which a spatial ring evolves from a Gaussian input beam. We interpret the numerical results theoretically, using the variational model of nonlinear Gaussian beam propagation.Keywords
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