Effect of a noisy driving field on a bistable polariton system

Abstract

International audienceWe report on the effect of noise on the characteristics of the bistable polariton emission system. The present experiment provides a time-resolved access to the polariton emission intensity. We evidence the noise-induced transitions between the two stable states of the bistable polaritons. It is shown that the external noise specifications, intensity and correlation time, can efficiently modify the polariton Kramers time and residence time. We find that there is a threshold noise strength that provokes the collapse of the hysteresis loop. The experimental results are reproduced by numerical simulations using Gross-Pitaevskii equation driven by a stochastic excitation

Polariton interactions in semiconductor microcavities

“…The principle of the experiment is depicted in Fig. 5: the excitation laser (red dot on the right figure) is slightly detuned from the ground state (here in a 3-μm-diameter mesa) [50].…”

Spatial multistability induced by cross interactions of confined polariton modes

“…2 is caused by the sensitivity of the experiment to intrinsic noise, especially close to the thresholds. Since we need a longer integration time to acquire the spectra compared to the spatially integrated measurements with the power meter (instantaneous value), we increase the probability of the system to undergo a noise-induced jump [32].…”

“…The bistability and spinor multistability of a microcavity polariton have been extensively studied both theoretically [16][17][18][19][20][21][22] and experimentally [23][24][25][26][27][28][29][30][31][32]. It relies on exciting the microcavity using a laser blue detuned with respect to the lower polariton branch (LP) and to measure the transmitted laser intensity.…”

Reservoir-induced decoherence of resonantly excited confined polaritons

“…Concurrently, previous works have shown that zerodimensional (0D) confined polaritons are ideal systems to investigate the polariton bistability [33][34][35][36] and particularly * clauderic.ouellet-plamondon@epfl.ch its sensitivity to noise [36][37][38]. The former study showed that a symmetrical collapse of the polariton hysteresis loop occurs for increasing noise strength on the polariton population.…”