论文标题

半无限高阻抗传输线中的transmon-腔模式和拉比振荡的外观

Transmon in a semi-infinite high-impedance transmission line -- appearance of cavity modes and Rabi oscillations

论文作者

Wiegand, Emely, Rousseaux, Benjamin, Johansson, Göran

论文摘要

在这封信中,我们研究了单个超导性人工原子的动力学,该动力学与量子电阻相比具有特征性阻抗或更大的传输线耦合。在此制度中,微波在远离原子过渡频率的频率上也反映了原子。在传输线中添加一个镜子,然后在原子和镜子之间创建腔模式。在研究原子的自发发射时,我们发现了拉比振荡,其中能量在原子和一种空腔模式之间振荡。

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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