We summarize the recent progress of the Axion Longitudinal Plasma Haloscope (ALPHA)
Consortium, a new experimental collaboration to build a plasma haloscope to search for …

A major issue for the implementation of large-scale superconducting quantum circuits is the
interaction with interfacial two-level system (TLS) defects that lead to qubit parameter …

Nonlinear magnonics based on the coupling of magnons and optical photons has become a
crucial topic in the quantum magnonic field. Here, we demonstrate the magnon laser, the …

Quantum transduction between microwave and optical photons plays a key role in quantum
communication among remote qubits. Although the quantum transduction schemes …

Quantum circuits interact with the environment via several temperature-dependent degrees
of freedom. Multiple experiments to-date have shown that most properties of …

The advent of two-dimensional van der Waals materials is a frontier of condensed matter
physics and quantum devices. However, characterizing such materials remains challenging …

We report the detection of a gate-tunable kinetic inductance in a hybrid In As/Al nanowire.
For this purpose, we embed the nanowire into a quarter-wave coplanar waveguide …

We propose a superconducting qutrit-resonator chain model, and analytically work out forms
of its topological edge states. The existence of the zero-energy mode enables one to …

The ability to control microwave emission from a spin ensemble is a requirement of several
quantum memory protocols. Here, we demonstrate such ability by using a resonator whose …

Solid-state devices used for quantum computation and quantum sensing applications are
adversely affected by loss and noise caused by spurious, charged two-level systems (TLS) …