Hybrid quantum devices expand the tools and techniques available for quantum sensing in
various fields. Here, we experimentally demonstrate quantum sensing of a steady-state …

Qubits are physical, a quantum gate thus not only acts on the information carried by the qubit
but also on its energy. What is then the corresponding flow of energy between the qubit and …

Metasurface‐based optical field manipulation has significantly broadened the application
range of micro‐optical components and integrated optics, gradually replacing bulky and …

Subradiant states in a finite chain of two-level quantum emitters coupled to a one-
dimensional reservoir are a resource for superior photon storage and their controlled …

Josephson junction parametric amplifiers have become essential tools for microwave
quantum circuit readout with minimal added noise. Even after improving at an impressive …

The rapid progress in quantum information processing leads to a rising demand for devices
to control the propagation of electromagnetic wave pulses and to ultimately realize universal …

Designing large-scale superconducting quantum circuits involves complex microwave
engineering to minimize loss, spurious reflections, and signal crosstalk. Essential for …

Two-level quantum systems are fundamental physical models that continue to attract
growing interest due to their crucial role as a building block of quantum technologies. The …

The Mollow triplet is a fundamental signature of quantum optics and has been observed in
numerous quantum systems. Although it arises in the “strong driving” regime of the …

Electromagnetic filtering is essential for the coherent control, operation and readout of
superconducting quantum circuits at milliKelvin temperatures. The suppression of spurious …