Quantum-mechanical effects at the macroscopic level were first explored in Josephson-
junction-based superconducting circuits in the 1980s. In recent decades, the emergence of …

In the past 20 years, impressive progress has been made both experimentally and
theoretically in superconducting quantum circuits, which provide a platform for manipulating …

Open quantum systems (OQSs) cannot always be described with the Markov approximation,
which requires a large separation of system and environment time scales. An overview is …

The scalable application of quantum information science will stand on reproducible and
controllable high-coherence quantum bits (qubits). Here, we revisit the design and …

The article is a short opinionated review of the quantum treatment of electromagnetic
circuits, with no pretension to exhaustiveness. This review, which is an updated and …

The study of open quantum systems–microscopic systems exhibiting quantum coherence
that are coupled to their environment–has become increasingly important in the past years …

The duration and fidelity of qubit readout are critical factors for applications in quantum-
information processing as they limit the fidelity of algorithms which reuse qubits after …

One of the most surprising predictions of modern quantum theory is that the vacuum of
space is not empty. In fact, quantum theory predicts that it teems with virtual particles flitting …

The topic of quantum noise has become extremely timely due to the rise of quantum
information physics and the resulting interchange of ideas between the condensed matter …

We develop a formulation of quantum damping theory in which the explicit nature of inputs
from a heat bath, and of outputs into it, is taken into account. Quantum Langevin equations …