
1.CNR NANOTEC –Istituto di Nanotecnologia, Via Monteroni, 73100 Lecce, Italy
2.Dipartimento di matematica e fisica 'Ennio De Giorgi', Università del Salento, 73100 Lecce, Italy
D Ballarini, Email: dario.ballarini@nanotec.cnr.it
Published:2017-03,
Published Online:05 September 2016,
Received:27 January 2016,
Revised:18 August 2016,
Accepted:31 August 2016
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Lerario, G. et al. High-speed flow of interacting organic polaritons. Light: Science & Applications, 6, e16212 (2017).
Lerario, G. et al. High-speed flow of interacting organic polaritons. Light: Science & Applications, 6, e16212 (2017). DOI: 10.1038/lsa.2016.212.
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 individual 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 study of organic nonlinear light–matter fluxes and for a technologically promising route of the realization of dissipation-less on-chip polariton devices operating at room temperature.
optical nonlinearityorganic materialspolaritonssurface waves2D optics
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