Physics – Condensed Matter – Other Condensed Matter
Scientific paper
2007-12-13
Phys. Rev. Lett. 100, 170401 (2008)
Physics
Condensed Matter
Other Condensed Matter
11 pages, 4 figures,corrected typos, added figures
Scientific paper
10.1103/PhysRevLett.100.170401
Condensation of exciton-polaritons in semiconductor microcavities takes place despite in plane disorder. Below the critical density the inhomogeneity of the potential seen by the polaritons strongly limits the spatial extension of the ground state. Above the critical density, in presence of weak disorder, this limitation is spontaneously overcome by the non linear interaction, resulting in an extended synchronized phase. This mechanism is clearly evidenced by spatial and spectral studies, coupled to interferometric measurements. In case of strong disorder, several non phase-locked (independent) condensates can be evidenced. The transition from synchronized phase to desynchronized phase is addressed considering multiple realizations of the disorder.
Andre Régis
Baas Augustin
Dang Le Si
Deveaud-Plédran Benoit
Lagoudakis Konstantinos G.
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