TITLE

Low-loss superconducting resonant circuits using vacuum-gap-based microwave components

AUTHOR(S)
Cicak, Katarina; Li, Dale; Strong, Joshua A.; Allman, Michael S.; Altomare, Fabio; Sirois, Adam J.; Whittaker, Jed D.; Teufel, John D.; Simmonds, Raymond W.
PUB. DATE
March 2010
SOURCE
Applied Physics Letters;3/1/2010, Vol. 96 Issue 9, p093502
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We have produced high-quality complex microwave circuits, such as multiplexed resonators and superconducting phase qubits, using a “vacuum-gap” technology that eliminates lossy dielectric materials. We have improved our design and fabrication strategy beyond our earlier work, leading to increased yield, enabling the realization of these complex circuits. We incorporate both novel vacuum-gap wiring crossovers for gradiometric inductors and vacuum-gap capacitors (VGC) on chip to produce resonant circuits that have large internal quality factors (30 000
ACCESSION #
48428979

 

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