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Ultrafast flow of interacting organic polaritons

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arxiv 1502.00602 v2 pith:6JQWHNT6 submitted 2015-02-02 physics.optics cond-mat.mes-hall

Ultrafast flow of interacting organic polaritons

classification physics.optics cond-mat.mes-hall
keywords organicnonlinearpolaritonpolaritonsroomtemperatureableapplications
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The strong-coupling of an excitonic transition with an electromagnetic mode results in composite quasi-particles called exciton-polaritons, which have been shown to combine the best properties of their bare components in semiconductor microcavities. However, the physics and applications of polariton flows in organic materials and at room temperature are still unexplored because of the poor photon confinement in such structures. Here we demonstrate that polaritons formed by the hybridization of organic excitons with a Bloch Surface Wave are able to propagate for hundreds of microns showing remarkable third-order nonlinear interactions upon high injection density. These findings pave the way for the studies of organic nonlinear light-matter fluxes and for a technological promising route of dissipation-less on-chip polariton devices working at room temperature.

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