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6 papers · 2 filters
Circuit analog of quadratic optomechanics
Eun-jong Kim, J. R. Johansson, Franco Nori
We propose a superconducting electrical circuit that simulates a quadratic optomechanical system. A capacitor placed between two transmission-line (TL) resonators acts like a semi-…
Squeezed Optomechanics with Phase-matched Amplification and Dissipation
Xin-You Lü, Ying Wu, J. R. Johansson +3
We investigate the nonlinear interaction between a squeezed cavity mode and a mechanical mode in an optomechanical system (OMS) that allows us to selectively obtain either a radiat…
Iterative solutions to the steady state density matrix for optomechanical systems
P. D. Nation, J. R. Johansson, M. P. Blencowe +1
We present a sparse matrix permutation from graph theory that gives stable incomplete Lower-Upper (LU) preconditioners necessary for iterative solutions to the steady state density…
State-dependent photon blockade via quantum-reservoir engineering
Adam Miranowicz, Jiri Bajer, Malgorzata Paprzycka +3
An arbitrary initial state of an optical or microwave field in a lossy driven nonlinear cavity can be changed, in the steady-state limit, into a partially incoherent superposition…
Multi-stability and condensation of exciton-polaritons below threshold
Jiun-Yi Lien, Yueh-Nan Chen, Natsuko Ishida +3
Exciton-polaritons can condense to a macroscopic quantum state through a non-equilibrium process of pumping and decay. In recent experiments, polariton condensates are used to obse…
Optomechanical-like coupling between superconducting resonators
J. R. Johansson, G. Johansson, Franco Nori
We propose and analyze a circuit that implements a nonlinear coupling between two superconducting microwave resonators. The resonators are coupled through a superconducting quantum…