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Article Dans Une Revue Physical Review B: Condensed Matter and Materials Physics (1998-2015) Année : 2013

Long range correlations in a 97% excitonic one-dimensional polariton condensate

Résumé

We report on the measurement of first-order spatial correlations on a one-dimensional 97% excitonic polariton condensate, excited in cooled ZnO microwires by nonresonant optical pulses. We find that, thanks to the tiny 3% photonic fraction, a coherence length as large as 10 μm can build up, i.e., orders of magnitude larger than any reported so far for an ultracold exciton gas. Based on a driven-dissipative mean-field model we show that the decay of correlations is mainly due to a shallow disorder and driven-dissipative conditions.

Dates et versions

hal-00880110 , version 1 (05-11-2013)

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Aurélien Trichet, Emilien Durupt, François Médard, Sanjoy Datta, Anna Minguzzi, et al.. Long range correlations in a 97% excitonic one-dimensional polariton condensate. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2013, 88, pp.121407(R). ⟨10.1103/PhysRevB.88.121407⟩. ⟨hal-00880110⟩
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