Effect of gamma radiation on low kinetic inductance superconducting microwave resonators
Abstract
Understanding the impact of ionizing radiation on superconducting microwave resonators is essential for improving the coherence of superconducting quantum processors. In this work, we examine the response of Nb coplanar waveguide (CPW) resonators—with single-photon intrinsic quality factors on the order of several hundred thousand—to γ radiation from a Cs-137 source. We observed no significant degradation in the internal quality factor during the irradiation of Nb CPW resonators on sapphire or Si(100) substrates.
Article Details
Journal Info
Applied Physics Letters
American Institute of Physics
Authors (11)
N. J. Thobaben
Physics Department, Saint Louis University 1 , St. Louis, Missouri 63103,
K. Zheng
G. A. Osmon
Physics Department, Saint Louis University 1 , St. Louis, Missouri 63103,
A. E. Sohm
Physics Department, Saint Louis University 1 , St. Louis, Missouri 63103,
D. T. Cherry
Physics Department, Saint Louis University 1 , St. Louis, Missouri 63103,
D. Kowsari
Department of Physics, Washington University 2 , St. Louis, Missouri 63130,
X. Zhao
K. W. Murch
Department of Physics, Washington University 2 , St. Louis, Missouri 63130,
R. L. Cooper
Naval Surface Warfare Center - Crane Division 4 , Crane, Indiana 47522,
K. D. Goodman
Amentum 5 , Odon, Indiana 47562,
D. S. Wisbey
Physics Department, Saint Louis University 1 , St. Louis, Missouri 63103,