Quantum Physics

Directional emission of a readout resonator for qubit measurement
We propose and demonstrate transmission-based dispersive readout of a superconducting qubit using an all-pass resonator, which …
Directional emission of a readout resonator for qubit measurement
Interferometric Purcell suppression of spontaneous emission in a superconducting qubit
In superconducting qubits, suppression of spontaneous emission is essential to achieve fast dispersive measurement and reset without …
Interferometric Purcell suppression of spontaneous emission in a superconducting qubit
Near-ultrastrong nonlinear light-matter coupling in superconducting circuits