Squeezing below the ground state of motion of a continuously monitored levitating nanoparticle

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 propose a scheme for the generation of significant levels of mechanical squeezing in the motional state of a levitated nanoparticle by leveraging on the careful temporal control of the trapping potential. We analyse the performance of such a scheme by fully accounting for the most relevant sources of noise, including measurement backaction. The feasibility of our proposal, which is close to experimental state-of-the-art, makes it a valuable tool for quantum state engineering.

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Publication Details

Journal
Quantum Science and Technology
Published
2024-08-22
DOI
https://doi.org/10.1088/2058-9565/ad7284
Citations
3
Primary Topic
Mechanical and Optical Resonators
Type
article
Field-Weighted Citation Impact
1.01

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article

Squeezing below the ground state of motion of a continuously monitored levitating nanoparticle

Qiongyuan Wu, Hendrik Ulbricht, Tiberius Georgescu, Mauro Paternostro et al.
3 citations
Quantum Science and Technology
Mechanical and Optical Resonators
1.01
article

Squeezing below the ground state of motion of a continuously monitored levitating nanoparticle

Qiongyuan Wu, Hendrik Ulbricht, Tiberius Georgescu, Mauro Paternostro, Matteo Carlesso, Diana Chisholm, Rafael Muffato, Jack Homans
article en
3 citations

Abstract

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 propose a scheme for the generation of significant levels of mechanical squeezing in the motional state of a levitated nanoparticle by leveraging on the careful temporal control of the trapping potential. We analyse the performance of such a scheme by fully accounting for the most relevant sources of noise, including measurement backaction. The feasibility of our proposal, which is close to experimental state-of-the-art, makes it a valuable tool for quantum state engineering.

Quantum Science and TechnologyVol. 9(4)
Queen's University Belfast (GB), University of Trieste (IT), Pontifícia Universidade Católica do Rio de Janeiro (BR), Istituto Nazionale di Fisica Nucleare, Sezione di Trieste (IT), University of Southampton (GB), University of Palermo (IT)
Department for the Economy, Leverhulme Trust, European Commission, QuantERA, HORIZON EUROPE Framework Programme, Engineering and Physical Sciences Research Council
Life in Land
Openalex Percentile: Top 25%
Mechanical and Optical Resonators
1.01
DOIOpen Access PDFOpenAlex
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Squeezing below the ground state of motion of a continuously monitored levitating nanoparticle — Qiongyuan Wu, Hendrik Ulbricht, et al. · Quantum Science and Technology (2024) | TGRS Research Map | TGRS