Electrodynamics of a split-ring Josephson resonator in a microwave line
J.-G. Caputo, I. Gabitov, A. I. Maimistov
DOI 10.1103/PhysRevB.85.205446 · Physical Review B
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Abstract
We consider the coupling of an electromagnetic wave to a split-ring Josephson oscillator or radio-frequency superconducting quantum interference device in the hysteretic regime. This device is similar to an atomic system in that it has a number of steady states. We show that one can switch between these with a suitable short external microwave pulse. The steady states can be characterized by their resonant lines which are of the Fano type. Using a static magnetic field, we can shift these spectral lines and lift their degeneracy.
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