Coupling erbium spins to a three-dimensional superconducting cavity at zero magnetic field

被引：27

作者：

Chen, Yu-Hui ^{[1
]}

Fernandez-Gonzalvo, Xavier

Longdell, Jevon J.

机构：

[1] Univ Otago, Dodd Walls Ctr Photon & Quantum Technol, 730 Cumberland St, Dunedin, New Zealand

来源：

PHYSICAL REVIEW B | 2016年 / 94卷 / 07期

关键词：

QUANTUM; COHERENCE;

D O I：

10.1103/PhysRevB.94.075117

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We experimentally demonstrate the coupling at zero magnetic field of an isotopically pure erbium-doped yttrium orthosilicate crystal (Er-167 : YSO) to a three-dimensional superconducting cavity with a Q factor of 10(5). A tunable loop-gap resonator is used and its resonance frequency is tuned to observe the hyperfine transitions of the erbium sample. The observed spectrum differs from what is predicted by the published spin Hamiltonian parameters. The narrow cavity linewidth also enables the observation of asymmetric line shapes for these hyperfine transitions. Such a broadly tunable superconducting cavity (from 1.6 to 4.0 GHz in the current design) is a promising device for building hybrid quantum systems.

引用

页数：5

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