Carlon Zambon N, Denis Z, De Oliveira R, Ravets S, Ciuti C, Favero I, Bloch J
Centre de Nanosciences et de Nanotechnologies (C2N), CNRS-Université Paris-Saclay, 91120 Palaiseau, France.
Université Paris Cité, CNRS, Matériaux et Phénomènes Quantiques, F-75013 Paris, France.
Phys Rev Lett. 2022 Aug 26;129(9):093603. doi: 10.1103/PhysRevLett.129.093603.
Semiconductor microresonators embedding quantum wells can host tightly confined and mutually interacting excitonic, optical, and mechanical modes at once. We theoretically investigate the case where the system operates in the strong exciton-photon coupling regime, while the optical and excitonic resonances are parametrically modulated by the interaction with a mechanical mode. Owing to the large exciton-phonon coupling at play in semiconductors, we predict an enhancement of polariton-phonon interactions by 2 orders of magnitude with respect to mere optomechanical coupling: a near-unity single-polariton quantum cooperativity is within reach for current semiconductor resonator platforms. We further analyze how polariton nonlinearities affect dynamical backaction, modifying the capability to cool or amplify the mechanical motion.
嵌入量子阱的半导体微谐振器能够同时容纳紧密受限且相互作用的激子、光学和机械模式。我们从理论上研究了该系统在强激子 - 光子耦合 regime 下运行的情况，同时光学和激子共振通过与机械模式的相互作用进行参数调制。由于半导体中存在较大的激子 - 声子耦合，我们预测相对于单纯的光机械耦合，极化激元 - 声子相互作用增强了2个数量级：对于当前的半导体谐振器平台而言，接近单位的单极化激元量子协同性是可以实现的。我们进一步分析了极化激元非线性如何影响动态反作用，改变冷却或放大机械运动的能力。
