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The nature of the Lamb shift in weakly-anharmonic atoms: from normal mode splitting to quantum fluctuations
Mario F. Gely, Gary A. Steele, Daniel Bothner
When a two level system (TLS) is coupled to an electromagnetic resonator, its transition frequency changes in response to the quantum vacuum fluctuations of the electromagnetic fie…
A split-cavity design for the incorporation of a DC bias in a 3D microwave cavity
Martijn A. Cohen, Mingyun Yuan, Bas W. A. de Jong +3
We report on a technique for applying a DC bias in a 3D microwave cavity. We achieve this by isolating the two halves of the cavity with a dielectric and directly using them as DC…
Multi-mode ultra-strong coupling in circuit quantum electrodynamics
Sal J. Bosman, Mario F. Gely, Vibhor Singh +3
With the introduction of superconducting circuits into the field of quantum optics, many novel experimental demonstrations of the quantum physics of an artificial atom coupled to a…
Approaching ultra-strong coupling in Transmon circuit-QED using a high-impedance resonator
Sal J. Bosman, Mario F. Gely, Vibhor Singh +3
In this experiment, we couple a superconducting Transmon qubit to a high-impedance microwave resonator. Doing so leads to a large qubit-resonator coupling rate , measur…
Convergence of the multimode quantum Rabi model of circuit quantum electrodynamics
Mario F. Gely, Adrian Parra-Rodriguez, Daniel Bothner +4
Circuit quantum electrodynamics (QED) studies the interaction of artificial atoms, open transmission lines and electromagnetic resonators fabricated from superconducting electronic…