5 papers · 1 filter
Fast, high-fidelity Transmon readout with intrinsic Purcell protection via nonperturbative cross-Kerr coupling
Guillaume Beaulieu, Jun-Zhe Chen, Marco Scigliuzzo +5
Dispersive readout of superconducting qubits relies on a transverse capacitive coupling that hybridizes the qubit with the readout resonator, subjecting the qubit to Purcell decay…
Superstrong Dynamics and Directional Emission of a Giant Atom in a Structured Bath
Vincent Jouanny, Léo Peyruchat, Marco Scigliuzzo +8
Quantum emitters coupled to waveguides with nonlinear dispersion show rich quantum dynamics with the promise of implementing non-trivial non-Markovian quantum models. Recent advanc…
Quantum Acoustics with Tunable Nonlinearity in the Superstrong Coupling Regime
Marco Scigliuzzo, Léo Peyruchat, Riccardo Maria Marabini +4
Precise control of mechanical modes in the quantum regime is a key resource for quantum technologies, offering promising pathways for quantum sensing with macroscopic systems and s…
Compact superconducting vacuum-gap capacitors with low microwave loss and high mechanical coherence for scalable quantum circuits
Amir Youssefi, Mahdi Chegnizadeh, Marco Scigliuzzo +1
Vacuum-gap capacitors have recently attracted significant interest in superconducting circuit platforms due to their compact design and exceptionally low dielectric losses in the m…
Criticality-Enhanced Quantum Sensing with a Parametric Superconducting Resonator
Guillaume Beaulieu, Fabrizio Minganti, Simone Frasca +4
Quantum metrology, a cornerstone of quantum technologies, exploits entanglement and superposition to achieve higher precision than classical protocols in parameter estimation tasks…