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quant-ph2024
Reciprocal lumped-element superconducting circuits: quantization, decomposition, and model extraction
Basil M. Smitham, Andrew A. Houck
In this work, we introduce new methods for the quantization, decomposition, and extraction (from electromagnetic simulations) of lumped-element circuit models for superconducting q…
cond-mat.supr-con2024★ 1 cited
Eliminating Surface Oxides of Superconducting Circuits with Noble Metal Encapsulation
Ray D. Chang, Nana Shumiya, Russell A. McLellan +15
The lifetime of superconducting qubits is limited by dielectric loss, and a major source of dielectric loss is the native oxide present at the surface of the superconducting metal.…