Volume 49, Number 3, February I 2000
|Page(s)||322 - 328|
|Section||Electromagnetism, optics, acoustics, heat transfer, classical mechanics, and fluid dynamics|
|Published online||01 September 2002|
Externally excited oscillating laser bullet
Optique Nonlinéaire Théorique, Campus Plaine, C.P. 231
Libre de Bruxelles - B-1050 Bruxelles, Belgium
2 Institute for Laser Physics, Vavilov State Optical Institute Birzhevaya line 12, 199034 St. Petersburg, Russia
Corresponding authors: email@example.com firstname.lastname@example.org
Accepted: 17 November 1999
We study the dynamics of a three-dimensional laser bullet propagating inside a nonlinear saturable medium. We show that an increase of the pump parameter destabilizes the bullet and leads to its destruction through oscillations with increasing amplitude. We propose an inhomogeneous and anisotropic external excitation mechanism leading to a stable oscillating bullet. By varying the frequency of the external excitation, a stable quasi–in-phase or quasi-antiphase internal state can be reached.
PACS: 42.65.Pc – Optical bistability, multistability, and switching / 42.65.Sf – Dynamics of nonlinear optical systems; optical instabilities, optical chaos and complexity, and optical spatio-temporal dynamics / 42.65.Tg – Optical solitons; nonlinear guided waves
© EDP Sciences, 2000
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