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Stochastic classical field model for polariton condensates
Michiel Wouters, Vincenzo Savona
We use the truncated Wigner approximation to derive stochastic classical field equations for the description of polariton condensates. Our equations are shown to reduce to the Bolt…
Probing the excitation spectrum of nonresonantly pumped polariton condensates
Michiel Wouters, Iacopo Carusotto
We propose a four wave mixing experiment to probe the elementary excitation spectrum of a non-equilibrium Bose-Einstein condensate of exciton-polaritons under non-resonant pumping.…
Observation of long-lived polariton states in semiconductor microcavities across the parametric threshold
D. Ballarini, D. Sanvitto, A. Amo +5
The excitation spectrum around the pump-only stationary state of a polariton optical parametric oscillator (OPO) in semiconductor microcavities is investigated by time-resolved pho…
Quantised Vortices in an Exciton-Polariton Fluid
K. G. Lagoudakis, M. Wouters, M. Richard +5
One of the most striking quantum effects in a low temperature interacting Bose gas is superfluidity. First observed in liquid 4He, this phenomenon has been intensively studied in a…
Dynamics of coherent polaritons in double-well systems
D. Sarchi, I. Carusotto, M. Wouters +1
We investigate the physics of coherent polaritons in a double-well configuration under a resonant pumping. For a continuous wave pump, bistability and self-pulsing regimes are iden…
Spatial and spectral shape of inhomogeneous non-equilibrium exciton-polariton condensates
M. Wouters, I. Carusotto, C. Ciuti
We develop a mean-field theory of the spatial profile and the spectral properties of polariton condensates in nonresonantly pumped semiconductor microcavities in the strong couplin…