Ultrastrong optomechanics incorporating the dynamical Casimir effect

  title={Ultrastrong optomechanics incorporating the dynamical Casimir effect},
  author={P. D. Nation and Junho Suh and Miles P. Blencowe},
  journal={Physical Review A},
We propose a superconducting circuit comprising a dc superconducting quantum interference device with a mechanically compliant arm embedded in a coplanar microwave cavity that realizes an optomechanical system with a degenerate or nondegenerate parametric interaction generated via the dynamical Casimir effect. For experimentally feasible parameters, this setup is capable of reaching the single-photon ultrastrong-coupling regime while simultaneously possessing a parametric coupling strength… 
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