Magnetic field tuning of coplanar waveguide resonators

Abstract

We describe measurements on microwave coplanar resonators designed for quantum bit experiments. Resonators have been patterned onto sapphire and silicon substrates, and quality factors in excess of a million have been observed. The resonant frequency shows a high sensitivity to magnetic field applied perpendicular to the plane of the film, with a quadratic dependence for the fundamental, second and third harmonics. Frequency shift of hundreds of linewidths can be obtained.

Accepted for publication in APL

References in corpus (4)

• Coherent quantum state storage and transfer between two phase qubits via a resonant cavity
• A widely tunable parametric amplifier based on a SQUID array resonator
• Tunable resonators for quantum circuits
• Temperature Dependence of the Frequency and Noise of Superconducting Coplanar Waveguide Resonators

Cited by in corpus (6)

• Trapping a single vortex and reducing quasiparticles in a superconducting resonator
• Crosstalk Reduction for Superconducting Microwave Resonator Arrays
• Slow noise processes in superconducting resonators
• Improving superconducting resonators in magnetic fields by reduced field-focussing and engineered flux screening
• Magnetic field dependence of the internal quality factor and noise performance of lumped-element kinetic inductance detectors
• Coupling of a locally implanted rare-earth ion ensemble to a superconducting micro-resonator