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Interaction of Mechanical Oscillators Mediated by the Exchange of Virtual Photon Pairs
Omar Di Stefano, Alessio Settineri, Vincenzo Macrì +5
Two close parallel mirrors attract due to a small force (Casimir effect) originating from the electromagnetic quantum vacuum uctuations of the electromagnetic field. These vacuum u…
Photodetection probability in quantum systems with arbitrarily strong light-matter interaction
Omar Di Stefano, Anton Frisk Kockum, Alessandro Ridolfo +2
Cavity-QED systems have recently reached a regime where the light-matter interaction strength amounts to a non-negligible fraction of the resonance frequencies of the bare subsyste…
Decoherence-free interaction between giant atoms in waveguide QED
Anton Frisk Kockum, Göran Johansson, Franco Nori
In quantum-optics experiments with both natural and artificial atoms, the atoms are usually small enough that they can be approximated as point-like compared to the wavelength of t…
Reflective amplification without population inversion from a strongly driven superconducting qubit
P. Y. Wen, A. F. Kockum, H. Ian +3
Amplification of optical or microwave fields is often achieved by strongly driving a medium to induce population inversion such that a weak probe can be amplified through stimulate…
Microwave photonics with superconducting quantum circuits
Xiu Gu, Anton Frisk Kockum, Adam Miranowicz +2
In the past 20 years, impressive progress has been made both experimentally and theoretically in superconducting quantum circuits, which provide a platform for manipulating microwa…
Non-perturbative Dynamical Casimir Effect in Optomechanical Systems: Vacuum Casimir-Rabi Splittings
Vincenzo Macrì, Alessandro Ridolfo, Omar Di Stefano +3
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…
Circuit quantum acoustodynamics with surface acoustic waves
R. Manenti, A. F. Kockum, A. Patterson +5
The experimental investigation of quantum devices incorporating mechanical resonators has opened up new frontiers in the study of quantum mechanics at a macroscopic level.…
Quantum Nonlinear Optics without Photons
Roberto Stassi, Vincenzo Macrì, Anton Frisk Kockum +4
Spontaneous parametric down-conversion is a well-known process in quantum nonlinear optics in which a photon incident on a nonlinear crystal spontaneously splits into two photons.…
Frequency conversion in ultrastrong cavity QED
Anton Frisk Kockum, Vincenzo Macrì, Luigi Garziano +2
We propose a new method for frequency conversion of photons which is both versatile and deterministic. We show that a system with two resonators ultrastrongly coupled to a single q…
Deterministic quantum nonlinear optics with single atoms and virtual photons
Anton Frisk Kockum, Adam Miranowicz, Vincenzo Macrì +2
We show how analogues of a large number of well-known nonlinear-optics phenomena can be realized with one or more two-level atoms coupled to one or more resonator modes. Through hi…