We theoretically investigate the propagation of bright spatial solitary waves in highly nonlocal media possessing radial symmetry in a three-dimensional cylindrical geometry. Focusing on a thermal nonlinearity, modeled by a Poisson equation, we show how the profile of the light-induced waveguide strongly depends on the extension of the nonlinear medium in the propagation direction as compared to the beamwidth. We demonstrate that self-trapped beams undergo oscillations in size, either periodically or aperiodically, depending on the input waist and power. The-usually neglected-role of the longitudinal nonlocality as well as the detrimental effect of absorptive losses are addressed.

Alberucci, A., Chandroth Pannian, J., Smyth, N.F., Assanto, G. (2015). Spatial optical solitons in highly nonlocal media. PHYSICAL REVIEW A, 91, 013841 [10.1103/PhysRevA.91.013841].

Spatial optical solitons in highly nonlocal media

ASSANTO, GAETANO
Conceptualization
2015-01-01

Abstract

We theoretically investigate the propagation of bright spatial solitary waves in highly nonlocal media possessing radial symmetry in a three-dimensional cylindrical geometry. Focusing on a thermal nonlinearity, modeled by a Poisson equation, we show how the profile of the light-induced waveguide strongly depends on the extension of the nonlinear medium in the propagation direction as compared to the beamwidth. We demonstrate that self-trapped beams undergo oscillations in size, either periodically or aperiodically, depending on the input waist and power. The-usually neglected-role of the longitudinal nonlocality as well as the detrimental effect of absorptive losses are addressed.
2015
Alberucci, A., Chandroth Pannian, J., Smyth, N.F., Assanto, G. (2015). Spatial optical solitons in highly nonlocal media. PHYSICAL REVIEW A, 91, 013841 [10.1103/PhysRevA.91.013841].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11590/115366
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