This title appears in the Scientific Report :
2016
Please use the identifier:
http://hdl.handle.net/2128/13045 in citations.
Please use the identifier: http://dx.doi.org/10.1103/PhysRevApplied.5.044004 in citations.
High-Kinetic-Inductance Superconducting Nanowire Resonators for Circuit QED in a Magnetic Field
High-Kinetic-Inductance Superconducting Nanowire Resonators for Circuit QED in a Magnetic Field
We present superconducting microwave-frequency resonators based on NbTiN nanowires. The small cross section of the nanowires minimizes vortex generation, making the resonators resilient to magnetic fields. Measured intrinsic quality factors exceed $2\times 10^5$ in a $6$ T in-plane magnetic field, a...
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Personal Name(s): | Samkharadze, N. |
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Bruno, A. / Scarlino, P. / Zheng, G. / DiVincenzo, David (Corresponding author) / DiCarlo, L. / Vandersypen, L. M. K. | |
Contributing Institute: |
JARA - HPC; JARA-HPC Theoretische Nanoelektronik; PGI-2 Theoretische Nanoelektronik; IAS-3 |
Published in: | Physical review applied, 5 (2016) 4, S. 044004 |
Imprint: |
College Park, Md. [u.a.]
American Physical Society
2016
|
DOI: |
10.1103/PhysRevApplied.5.044004 |
Document Type: |
Journal Article |
Research Program: |
Controlling Collective States |
Link: |
OpenAccess OpenAccess |
Publikationsportal JuSER |
Please use the identifier: http://dx.doi.org/10.1103/PhysRevApplied.5.044004 in citations.
We present superconducting microwave-frequency resonators based on NbTiN nanowires. The small cross section of the nanowires minimizes vortex generation, making the resonators resilient to magnetic fields. Measured intrinsic quality factors exceed $2\times 10^5$ in a $6$ T in-plane magnetic field, and $3\times 10^4$ in a $350$ mT perpendicular magnetic field. Due to their high characteristic impedance, these resonators are expected to develop zero-point voltage fluctuations one order of magnitude larger than in standard coplanar waveguide resonators. These properties make the nanowire resonators well suited for circuit QED experiments needing strong coupling to quantum systems with small electric dipole moments and requiring a magnetic field, such as electrons in single and double quantum dots. |