Linear Ultrastrong Optomechanical Interaction
arXiv:2305.16226 · doi:10.1103/PhysRevResearch.6.L042025
Abstract
Light-matter interaction in the ultrastrong coupling regime can be used to generate exotic ground states with two-mode squeezing and may be of use for quantum enhanced sensing. Current demonstrations of ultrastrong coupling have been performed in fundamentally nonlinear systems. We report a cavity optomechanical system that operates in the linear coupling regime, reaching a maximum coupling of . Such a system is inherently unstable, which may in the future enable strong mechanical squeezing.
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- Optimal entanglement generation in optomechanical systems via Krotov control of covariance matrix dynamics
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