Phonon-induced polariton superlattices |
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Authors: | de Lima M M van der Poel M Santos P V Hvam J M |
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Institution: | Paul-Drude-Institut für Festk?rperelektronik, Hausvogteiplatz 5-7, 10117 Berlin, Germany. mmlimajr@pdi-berlin.de |
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Abstract: | We show that the coherent interaction between microcavity polaritons and externally stimulated acoustic phonons forms a tunable polariton superlattice with a folded energy dispersion determined by the phonon population and wavelength. Under high phonon concentration, the strong confinement of the optical and excitonic polariton components in the phonon potential creates weakly coupled polariton wires with a virtually flat energy dispersion. |
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