3 papers
quant-ph2025★ 2 cited
Charge Parity Rates in Transmon Qubits with Different Shunting Capacitors
Yi-Hsiang Huang, Haozhi Wang, Yizhou Huang +3
The presence of non-equilibrium quasiparticles in superconducting resonators and qubits operating at millikelvin temperature has been known for decades. One metric for the number o…
quant-ph2023
Identification and Mitigation of Conducting Package Losses for Quantum Superconducting Devices
Yizhou Huang, Yi-Hsiang Huang, Haozhi Wang +4
Low-loss superconducting rf devices are required when used for quantum computation. Here, we present a series of measurements and simulations showing that conducting losses in the…
physics.app-ph2018
Hot electron heatsinks for microwave attenuators below 100 mK
Jen-Hao Yeh, Rui Zhang, Shavindra Premaratne +3
We demonstrate improvements to the cooling power of broad bandwidth (10 GHz) microwave attenuators designed for operation at temperatures below 100 mK. By interleaving 9-m thick…