# Ultrastrong optomechanics incorporating the dynamical Casimir effect

@article{Nation2016UltrastrongOI, title={Ultrastrong optomechanics incorporating the dynamical Casimir effect}, author={P. D. Nation and Junho Suh and Miles P. Blencowe}, journal={Physical Review A}, year={2016}, volume={93}, pages={022510} }

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…

## 18 Citations

Electro-mechanical Casimir effect

- PhysicsQuantum
- 2018

The dynamical Casimir effect is an intriguing phenomenon in which photons are generated from vacuum due to a non-adiabatic change in some boundary conditions. In particular, it connects the motion of…

Sideband-resolved resonator electromechanics based on a nonlinear Josephson inductance probed on the single-photon level

- Physics
- 2020

Light-matter interaction in optomechanical systems is the foundation for ultra-sensitive detection schemes as well as the generation of phononic and photonic quantum states. Electromechanical systems…

Nonperturbative Dynamical Casimir Effect in Optomechanical Systems: Vacuum Casimir-Rabi Splittings

- Physics
- 2017

We study the dynamical Casimir effect using a fully quantum-mechanical description of both the cavity field and the oscillating mirror. We do not linearize the dynamics, nor do we adopt any…

Hybrid coupling optomechanical assisted nonreciprocal photon blockade.

- PhysicsOptics express
- 2021

It is found that the dissipation coupling of the hybrid dissipation and dispersion optomechanical system can induce the coupling between the environment and system in the cross-Kerr interaction form, and it is believed that theCrossKerr coupling can be more widely used in quantum information processing and quantum simulation.

Preparation of a nonlinear coherent state of the mechanical resonator in an optomechanical microcavity.

- PhysicsOptics express
- 2016

The Wigner function of the NCS, which negativity implies its non-classicality, is demonstrated and it is demonstrated that the QD-cavity subsystem can evolve into a dark state due to the damping of the microc Cavity and the elimination of the decay rate of theQD at selected frequencies in the PBG material.

Coupling microwave photons to a mechanical resonator using quantum interference

- PhysicsNature Communications
- 2019

Flux-mediated inductive optomechanical coupling allowing tunable single-photon coupling rates is demonstrated, and linear scaling of the single- photon coupling rate with the in-plane magnetic transduction field is observed.

Amplified Optomechanical Transduction of Virtual Radiation Pressure.

- PhysicsPhysical review letters
- 2017

Here we describe how, utilizing a time-dependent optomechanical interaction, a mechanical probe can provide an amplified measurement of the virtual photons dressing the quantum ground state of an…

Synthesizing multi-phonon quantum superposition states using flux-mediated three-body interactions with superconducting qubits

- Physicsnpj Quantum Information
- 2019

Massive mechanical resonators operating at the quantum scale can enable a large variety of applications in quantum technologies as well as fundamental tests of quantum theory. Of crucial importance…

Controlled interactions in superconducting quantum circuits

- Physics
- 2016

This thesis deals with controlled interactions between superconducting circuit elements for quantum computation and simulation applications. First, the electrical design and measurements of transmon…

One- and three-photon dynamical Casimir effects using a nonstationary cyclic qutrit

- PhysicsPhysical Review A
- 2018

We consider a nonstationary circuit quantum electrodynamics setup in which a three-level artificial atom in the $\mathrm{\ensuremath{\Delta}}$ configuration interacts with a single-mode cavity field…

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