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Proceedings Paper

Cavity light bullets: 3D self-confined structures in a passive nonlinear resonator (Invited Paper)
Author(s): Massimo Brambilla; Tommaso Maggipinto; Giuseppe Patera; Lorenzo Columbo
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Paper Abstract

We consider the paraxial model for a nonlinear resonator with a saturable absorber beyond the mean-field limit. We introduce a general stability analysis to evidence modulational-instabilities leading to the destabilization of a homogeneous field profile, eventually causing the formation of 3D structures. Further on, for accessible parametric domains, we show in simulations the phenomenon of total radiation confinement leading to the formation of 3D localized bright structures. Such structures are a direct generalization of 2D Cavity Solitons, recently observed in broad-area VCSELs, but they are confined also in the propagation dimension. At difference from freely propagating light bullets, here the self-organization proceeds from the resonator feedback/dissipation, combined with diffraction and nonlinearity. We show that such cavity light bullets can be independently excited and erased by appropriate pulses. They can be addressed to form arrays in the transverse field profile as well as serial trains in the longitudinal direction of the resonator thus combining serial and parallel encoding in the same device. Once created, they endlessly travel the cavity roundtrip.

Paper Details

Date Published: 28 April 2005
PDF: 14 pages
Proc. SPIE 5722, Physics and Simulation of Optoelectronic Devices XIII, (28 April 2005); doi: 10.1117/12.605534
Show Author Affiliations
Massimo Brambilla, Univ. e Politecnico di Bari/INFM (Italy)
Tommaso Maggipinto, Univ. e Politecnico di Bari/INFM (Italy)
Giuseppe Patera, Univ. e Politecnico di Bari/INFM (Italy)
Lorenzo Columbo, Univ. dell'Insubria (Italy)


Published in SPIE Proceedings Vol. 5722:
Physics and Simulation of Optoelectronic Devices XIII
Marek Osinski; Fritz Henneberger; Hiroshi Amano, Editor(s)

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