Chiral coupling at the single-quantum level promises to be a remarkable potential for
quantum information processing. Here we propose to achieve a chiral interaction between a …

Generation of entanglement between spatially separated macroscopic systems enables
quantum networks and fundamental tests of quantum theory. Here, we propose a scheme to …

Rigidity of an ordered phase in condensed matter results in collective excitation modes
spatially extending to macroscopic dimensions. A magnon is a quantum of such collective …

Combining different physical systems in hybrid quantum circuits opens up novel possibilities
for quantum technologies. In quantum magnonics, quanta of collective excitation modes in a …

We show theoretically that a network of superconducting loops and magnetic particles can
be used to implement magnonic crystals with tunable magnonic band structures. In our …

We consider two distant spin qubits in quantum dots, both coupled to a two-dimensional
topological ferromagnet hosting chiral magnon edge states at the boundary. The chiral …

Quantum entanglement is a key element for quantum information that can be generated in a
double-cavity magnomechanical system that consists of two microwave cavities, a magnon …

Coherent coupling between a ferromagnetic magnon and a superconducting qubit
demonstrates a special fascination in the quantum information field. Here, we construct a …

We propose entangling operations based on the energy curvature couplings of encoded
spin qubits to a superconducting cavity, exploring the nonlinear qubit response to a gate …

We propose to directly and quantum-coherently couple a superconducting transmon qubit to
magnons—the quanta of the collective spin excitations, in a nearby magnetic particle. The …