Dipole Coupling of a Double Quantum Dot to a Microwave Resonator

被引：291

作者：

Frey, T. ^{[1
]}

Leek, P. J. ^{[1
]}

Beck, M. ^{[1
]}

Blais, A. ^{[2
]}

Ihn, T. ^{[1
]}

Ensslin, K. ^{[1
]}

Wallraff, A. ^{[1
]}

机构：

[1] Swiss Fed Inst Technol, Dept Phys, CH-8093 Zurich, Switzerland

[2] Univ Sherbrooke, Dept Phys, Sherbrooke, PQ J1K 2R1, Canada

来源：

PHYSICAL REVIEW LETTERS | 2012年 / 108卷 / 04期

基金：

瑞士国家科学基金会; 加拿大自然科学与工程研究理事会;

关键词：

D O I：

10.1103/PhysRevLett.108.046807

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We demonstrate the realization of a hybrid solid-state quantum device, in which a semiconductor double quantum dot is dipole coupled to the microwave field of a superconducting coplanar waveguide resonator. The double dot charge stability diagram extracted from measurements of the amplitude and phase of a microwave tone transmitted through the resonator is in good agreement with that obtained from transport measurements. Both the observed frequency shift and linewidth broadening of the resonator are explained considering the double dot as a charge qubit coupled with a strength of several tens of MHz to the resonator.

引用

页数：5

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