Three-dimensional squeezing of optically levitated nanospheres
Giacomo Marocco, David C. Moore, Daniel Carney
TL;DR
This paper introduces a protocol for three-dimensional quantum squeezing of optically levitated nanospheres, enhancing impulse measurement sensitivity beyond the standard quantum limit by reducing noise in all spatial dimensions.
Contribution
It presents a novel method to achieve significant squeezing in all three spatial dimensions of a levitated nanoparticle, improving quantum measurement precision.
Findings
Approximately 10 dB of squeezing is achievable with current technology.
Decoherence limits the ultimate sensitivity of the measurement.
The protocol enables quantum-enhanced detection of weak impulses.
Abstract
We propose a protocol to measure impulses beyond the standard quantum limit. The protocol reduces noise in all three spatial dimensions and consists of squeezing a mechanical system's state via a series of jumps in the frequency of the harmonic potential. We quantify how decoherence in a realistic system of an optically levitated, dielectric nanoparticle limits the ultimate sensitivity. We predict that 10 dB of squeezing is achievable with current technology, enabling quantum-enhanced detection of weak impulses.
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Taxonomy
TopicsMechanical and Optical Resonators · Quantum optics and atomic interactions · Quantum Information and Cryptography