Polariton condensation in a one-dimensional disordered potential

F. Manni, K. G. Lagoudakis, B. Pietka, L. Fontanesi, M. Wouters, V. Savona, R. André, B. Deveaud-Plédran

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37 Citations (Scopus)


We study the coherence and density modulation of a nonequilibrium exciton-polariton condensate in a one-dimensional valley with disorder. By means of interferometric measurements we evidence a modulation of the first-order coherence function and we relate it to a disorder-induced modulation of the condensate density, that increases as the pump power is increased. The nonmonotonic spatial coherence function is found to be the result of the strong nonequilibrium character of the one-dimensional system, in the presence of disorder.
Original languageEnglish
Article number176401
Number of pages4
JournalPhys. Rev. Lett.
Issue number17
Publication statusPublished - 29 Apr 2011


  • polariton condensation
  • quantum degenerate gases
  • bose gas


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