Published July 12, 2010
| Published + Submitted
Journal Article
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Minimal resonator loss for circuit quantum electrodynamics
Chicago
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Abstract
We report quality factors of up to 500 × 10^3 in superconducting resonators at the single photon levels needed for circuit quantum electrodynamics. This result is achieved by using NbTiN and removing the dielectric from regions with high electric fields. As demonstrated by a comparison with Ta, the crucial sources of intensity-dependent loss are dielectrics on the surface of the metal and substrate.
Additional Information
© 2010 American Institute of Physics. Received 3 May 2010; accepted 9 June 2010; published online 13 July 2010. The authors thank J. M. Martinis and P. Forn-Díaz for stimulating discussions. The work was supported by the Pieter Langerhuizen Lambertuszoon funds of the Royal Holland Society of Sciences and Humanities and by the EU NanoSciERA project "Nanofridge."Attached Files
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Additional details
- Eprint ID
- 65310
- Resolver ID
- CaltechAUTHORS:20160311-141910535
- Pieter Langerhuizen Lambertuszoon Fonds
- EU NanoSciERA
- Created
-
2016-03-11Created from EPrint's datestamp field
- Updated
-
2021-11-10Created from EPrint's last_modified field
- Caltech groups
- Keck Institute for Space Studies