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Open Quantum Systems Decoherence

Three-dimensional squeezing of optically levitated nanospheres

arXiv

Authors: Giacomo Marocco, David C. Moore, Daniel Carney

Year

2026

Paper ID

3103

Status

Preprint

Abstract Read

~2 min

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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 sim10 dB of squeezing is achievable with current technology, enabling quantum-enhanced detection of weak impulses.

Why This Paper Matters

This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
It adds a 2026 reference point for readers tracking recent quantum research.
We propose a protocol to measure impulses beyond the standard quantum limit.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2601.22283 [2] arXiv https://arxiv.org/abs/2601.22283 [3] Publisher https://arxiv.org/abs/2601.22283

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