Abstract
High-quality superconducting coplanar waveguide (SCPW) resonators are crucial for developing superconducting quantum information devices and sensors. We designed quarter-wavelength SCPW resonators and fabricated the SCPW resonators using Nb thin film. The resonant characteristics were measured at T = 4.2 K, revealing the intrinsic quality factor and the coupling quality factor to be Qi = 4,784 and Qc = 17, 980, respectively. Our design and fabrication techniques would be very useful to develop a gate-tunable superconducting qubit based on the semiconductor nanostructures.
Original language | English |
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Pages (from-to) | 10-13 |
Number of pages | 4 |
Journal | Progress in Superconductivity and Cryogenics (PSAC) |
Volume | 22 |
Issue number | 4 |
DOIs | |
State | Published - 2020 |
Bibliographical note
Publisher Copyright:© 2020, Korea Institute of Applied Superconductivity and Cryogenics. All rights reserved.
Keywords
- Circuit quantum electrodynamics
- Coplanar waveguide
- Superconducting resonator