Transmon in a semi-infinite high-impedance transmission line -- appearance of cavity modes and Rabi oscillations
arXiv:2012.01284 · doi:10.1103/PhysRevResearch.3.023003
Abstract
In this letter, we investigate the dynamics of a single superconducting artificial atom capacitively coupled to a transmission line with a characteristic impedance comparable or larger than the quantum resistance. In this regime, microwaves are reflected from the atom also at frequencies far from the atom's transition frequency. Adding a single mirror in the transmission line then creates cavity modes between the atom and the mirror. Investigating the spontaneous emission from the atom, we then find Rabi oscillations, where the energy oscillates between the atom and one of the cavity modes.
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