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Trapped Ion Quantum Computing

Strong angular momentum optomechanical coupling for macroscopic quantum control

arXiv
Authors: Yuan Liu, Yaoming Chu, Shaoliang Zhang, Jianming Cai

Year

2021

Paper ID

61151

Status

Preprint

Abstract Read

~2 min

Abstract Words

108

Citations

N/A

Abstract

Optomechanical systems offer unique opportunities to explore macroscopic quantum state and related fundamental problems in quantum mechanics. Here, we propose a quantum optomechanical system involving exchange interaction between spin angular momentum of light and a torsional oscillator. We demonstrate that this system allows coherent control of the torsional quantum state of a torsional oscillator on the single photon level, which facilitates efficient cooling and squeezing of the torsional oscillator. Furthermore, the torsional oscillator with a macroscopic length scale can be prepared in Schrödinger cat-like state. Our work provides a platform to verify the validity of quantum mechanics in macroscopic systems on the micrometer and even centimeter scale.

Why This Paper Matters

  • This paper contributes to the Trapped-Ion Quantum Computing research area in the Quantum Articles archive.
  • It adds a 2021 reference point for readers tracking recent quantum research.
  • Optomechanical systems offer unique opportunities to explore macroscopic quantum state and related fundamental problems in quantum mechanics.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2109.14166 [2] arXiv https://arxiv.org/abs/2109.14166 [3] Publisher https://arxiv.org/abs/2109.14166

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