Squeezing below the ground state of motion of a continuously monitored levitating nanoparticle
arXiv:2403.18790 · doi:10.1088/2058-9565/ad7284
Abstract
Squeezing is a crucial resource for quantum information processing and quantum sensing. In levitated nanomechanics, squeezed states of motion can be generated via temporal control of the trapping frequency of a massive particle. However, the amount of achievable squeezing typically suffers from detrimental environmental effects. We analyze the performance of a scheme that, by embedding careful time-control of trapping potentials and fully accounting for the most relevant sources of noise -- including measurement backaction -- achieves significant levels of mechanical squeezing. The feasibility of our proposal, which is close to experimental state-of-the-art, makes it a valuable tool for quantum state engineering.
arXiv comment12 pages, 4 figures, comments are welcome! Quantum Sci. Technol (2024)
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