2 papers
quant-ph2026
Reducing TLS loss in tantalum CPW resonators using titanium sacrificial layers
Zachary Degnan, Chun-Ching Chiu, Yi-Hsun Chen +5
We demonstrate a substantial reduction in two-level system loss in tantalum coplanar waveguide resonators fabricated on high-resistivity silicon substrates through the use of an ul…
quant-ph2025
Above 99.9% Fidelity Single-Qubit Gates, Two-Qubit Gates, and Readout in a Single Superconducting Quantum Device
Fabian Marxer, Jakub Mrożek, Joona Andersson +64
Achieving high-fidelity single-qubit gates, two-qubit gates, and qubit readout is critical for building scalable, error-corrected quantum computers. However, device parameters that…