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

Q Wu*, D A Chisholm, R Muffato, T Georgescu, J Homans, H Ulbricht, M Carlesso, M Paternostro

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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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.

Original languageEnglish
Article number045038
Number of pages16
JournalQuantum Science and Technology
Volume9
Issue number4
Early online date09 Sept 2024
DOIs
Publication statusPublished - Oct 2024

Keywords

  • quant-ph
  • Squeezing
  • quantum information processing
  • quantum sensing

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