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    • Ghost branch photoluminescence from a polariton fluid under nonresonant excitation 

      Pieczarka, Maciej; Syperek, Marcin; Dusanowski, Łukasz; Misiewicz, Jan; Langer, Fabian; Forchel, Alfred; Kamp, Martin; Schneider, Christian; Höfling, Sven; Kavokin, Alexey; Sęk, Grzegorz (2015-10-26) - Journal article
      An expanding polariton condensate is investigated under pulsed nonresonant excitation with a small laser pump spot. Far above the condensation threshold we observe a pronounced increase in the dispersion curvature, with a ...
    • Relaxation oscillations and ultrafast emission pulses in a disordered expanding polariton condensate 

      Pieczarka, Maciej; Syperek, Marcin; Dusanowski, Łukasz; Opala, Andrzej; Langer, Fabian; Schneider, Christian; Höfling, Sven; Sȩk, Grzegorz (2017-12-01) - Journal article
      Semiconductor microcavities are often influenced by structural imperfections, which can disturb the flow and dynamics of exciton-polariton condensates. Additionally, in exciton-polariton condensates there is a variety of ...