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Article Dans Une Revue Physical Review A : Atomic, molecular, and optical physics [1990-2015] Année : 2013

Cascaded Raman slow light and optical spatial solitons in Kerr media

Résumé

We provide a complete experimental and numerical investigation of nonlinear beam propagation in a carbon disulfide liquid-filled Kerr slab waveguide using picosecond pulsed light. A first spatial analysis shows the generation of a multicolor solitary wave through the combined effects of cascaded Raman scattering and crossphase modulation. The impact of temporal effects on this self-trapped optical beam is further studied through a spatiotemporal analysis. It is shown in particular how cascaded Raman slow light induces optical delays between the solitonic components which prevents higher-order spatial soliton and provides a remarkable beam stability. Experimental observations are in very good agreement with numerical simulations of the spatiotemporal (1+1D) nonlinear Schr¨odinger equation including the Raman scattering.
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Dates et versions

hal-00831571 , version 1 (07-06-2013)

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Gil Fanjoux, Jérémy Michaud, Hervé Maillotte, Thibaut Sylvestre. Cascaded Raman slow light and optical spatial solitons in Kerr media. Physical Review A : Atomic, molecular, and optical physics [1990-2015], 2013, 87, pp.033838. ⟨10.1103/PhysRevA.87.033838⟩. ⟨hal-00831571⟩
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