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Phonon induced two-mode squeezing of nitrogen-vacancy center ensembles

Authors
  • Xu, Qidong
  • Yang, W. L.
  • Yin, Zhang-qi
Type
Preprint
Publication Date
Dec 29, 2015
Submission Date
Dec 29, 2015
Identifiers
arXiv ID: 1512.08605
Source
arXiv
License
Yellow
External links

Abstract

We propose a potentially practical scheme for realization of two-mode squeezed state with respect to two distant nitrogen-vacancy center ensembles coupled to two interconnected mechanical modes of diamond nanoresonators. By making use of the tunable phonon-spin interaction and the engineered phonon-phonon tunneling, both the desired excitation transfer process and the optimal two-mode squeezing between spin ensembles can be realized. We investigate the dynamics of the total system under infulences from the mechanical decay using both analytical and numerical methods, where the realistic conditions that leads to optimized squeezing between spin ensembles are analyzed.

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