Hybrid quantum circuits combine two or more physical systems, with the goal of harnessing
the advantages and strengths of the different systems in order to better explore new …

Quantum mechanics promises to have a strong impact on many aspects of research and
technology, improving classical analogues via purely quantum effects. A large variety of …

We report the experimental realization of a hybrid quantum circuit combining a
superconducting qubit and an ensemble of electronic spins. The qubit, of the transmon type …

We propose a multimode quantum memory protocol able to store the quantum state of the
field in a microwave resonator into an ensemble of electronic spins. The stored information …

We report on the spectroscopic and laser characterization of negatively charged nitrogen-
vacancy (NV^−) centers in diamond. Spectroscopic properties such as absorption and …

We propose an experimentally realizable hybrid quantum circuit for achieving a strong
coupling between a spin ensemble and a transmission-line resonator via a superconducting …

We propose how to realize high-fidelity quantum storage using a hybrid quantum
architecture including two coupled flux qubits and a nitrogen-vacancy center ensemble …

In magnetometry using optically detected magnetic resonance of nitrogen vacancy (NV−)
centers, we demonstrate speedup of more than 1 order of magnitude with a sequential …

The nanodiamond, which hosts nitrogen‐vacancy (NV) centers, has been levitated in
vacuum either through optical tweezers or through an ion trap. It combines the advantages …

We propose a scheme to realize the strong coupling between two distant magnons by using
coupled cavities as a data bus. This coupling strength can be adjusted by the parameters of …