Circuit QED techniques have been instrumental in manipulating and probing with exquisite
sensitivity the quantum state of superconducting quantum bits coupled to microwave …

A quantum two-level system with periodically modulated energy splitting could provide a
minimal universal quantum heat machine. We present the experimental realization and the …

We investigate the nonequilibrium dynamics of a Josephson-coupled Jaynes-Cummings
dimer in the presence of Kerr nonlinearity, which can be realized in the cavity and circuit …

We show that a properly dc-biased Josephson junction in series with two microwave
resonators of different frequencies emits photon pairs in the resonators. By measuring auto …

Recent breakthroughs in quantum-dot circuit-quantum-electrodynamics systems are
promising both from fundamental perspectives and from the point of view of quantum …

We show experimentally that a dc biased Josephson junction in series with a high-enough-
impedance microwave resonator emits antibunched photons. Our resonator is made of a …

Motivated by correlated decay processes producing gain, loss, and lasing in driven
semiconductor quantum dots [Phys. Rev. Lett. 113, 036801 (2014) PRLTAO 0031-9007 …

Strongly driving a two-level quantum system with light leads to a ladder of Floquet states
separated by the photon energy. Nanoscale quantum devices allow the interplay of confined …

Based on the Lindblad master equation approach we obtain a detailed microscopic model of
photons in a dye-filled cavity, which features condensation of light. To this end we …

The architecture of artificial atoms coupled to superconducting cavities allows the study of
light-matter interactions and intriguing phenomena such as cavity gain implying photon …