Generation of mechanical squeezing has attracted a lot of interest for its nonclassical properties, applications in quantum information, and high-sensitivity measurement. Here we propose a detuning-switched method that can rapidly generate strong and stationary mechanical squeezing. The pulsed driving can dynamically transpose the optomechanical coupling into a linear optical force and maintain an effective mechanical frequency, which can introduce strong mechanical squeezing in a short time. Moreover, we show the obtained strong mechanical squeezing can be frozen by increasing the pulse intervals, leading to stationary mechanical squeezing with a fixed squeezing angle. Thus, our proposal provides fascinating insights and applications of modulated optomechanical systems.
@article{arxiv.2303.04482,
title = {Mechanical Squeezing via Detuning-Switched Driving},
author = {Yaohua Li and An-Ning Xu and Long-Gang Huang and Yong-Chun Liu},
journal= {arXiv preprint arXiv:2303.04482},
year = {2023}
}