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Microcavity design for low threshold polariton condensation with ultrashort optical pulse excitation

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Pöllmann, Christoph ; Leierseder, Ursula ; Galopin, E. ; Lemaître, A. ; Amo, A. ; Bloch, J. ; Huber, Rupert ; Ménard, J.-M.
Date of publication of this fulltext: 02 Sep 2015 08:27


We present a microcavity structure with a shifted photonic stop-band to enable efficient non-resonant injection of a polariton condensate with spectrally broad femtosecond pulses. The concept is demonstrated theoretically and confirmed experimentally for a planar GaAs/AlGaAs multilayer heterostructure pumped with ultrashort near-infrared pulses while photoluminescence is collected to monitor the ...


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