3 papers
physics.app-ph2026
Improving the lifetime of aluminum-based superconducting qubits through atomic layer etching and deposition
Neha Mahuli, Joaquin Minguzzi, Jiansong Gao +9
We present a dry surface treatment combining atomic layer etching and deposition (ALE and ALD) to mitigate dielectric loss in fully fabricated superconducting quantum devices forme…
astro-ph.IM2025
Thermal and Electrical Properties of Prototype Readout Components for CMB-S4
Wilber Dominguez, Darcy R. Barron, Zeeshan Ahmed +11
CMB-S4 is the fourth-generation ground-based cosmic microwave background project, designed to probe the early universe and cosmic inflation. CMB-S4 would achieve its science goals…
physics.app-ph2025
Low-Loss Superconducting Resonators Fabricated from Tantalum Films Grown at Room Temperature
Guillaume Marcaud, David Perello, Cliff Chen +16
The use of -tantalum in superconducting circuits has enabled a considerable improvement of the coherence time of transmon qubits. The standard approach to grow -tantalum th…