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Dressed-state engineering for continuous detection of itinerant microwave photons
Kazuki Koshino, Zhirong Lin, Kunihiro Inomata +2
We propose a scheme for continuous detection of itinerant microwave photons in circuit quantum electrodynamics. In the proposed device, a superconducting qubit is coupled dispersiv…
Rotating-frame relaxation as a noise spectrum analyzer of a superconducting qubit undergoing driven evolution
F. Yan, S. Gustavsson, J. Bylander +6
Gate operations in a quantum information processor are generally realized by tailoring specific periods of free and driven evolution of a quantum system. Unwanted environmental noi…
Quantum magnonics: magnon meets superconducting qubit
Yutaka Tabuchi, Seiichiro Ishino, Atsushi Noguchi +4
The techniques of microwave quantum optics are applied to collective spin excitations in a macroscopic sphere of ferromagnetic insulator. We demonstrate, in the single-magnon limit…
Theory of microwave single-photon detection using an impedance-matched system
Kazuki Koshino, Kunihiro Inomata, Zhirong Lin +2
By properly driving a qubit-resonator system in the strong dispersive regime, we implement an "impedance-matched" system in the dressed states, where a resonant single photon d…