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

URN to cite this document:: urn:nbn:de:bvb:355-epub-324137
DOI to cite this document:: 10.5283/epub.32413

Pöllmann, Christoph ; Leierseder, Ursula ; Galopin, E. ; Lemaître, A. ; Amo, A. ; Bloch, J. ; Huber, Rupert ; Ménard, J.-M.

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Date of publication of this fulltext: 02 Sep 2015 08:27

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Abstract

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 ...