Characterization of the non-resonant radiation damping in coupled cavity photon magnon system

被引：11

作者：

Rao, J. W. ^{[1
,2
]}

Kaur, S. ^{[1
]}

Fan, X. L. ^{[2
]}

Xue, D. S. ^{[2
]}

Yao, B. M. ^{[3
]}

Gui, Y. S. ^{[1
]}

Hu, C. -M. ^{[1
]}

机构：

[1] Univ Manitoba, Dept Phys & Astron, Winnipeg, MB R3T 2N2, Canada

[2] Lanzhou Univ, Minist Educ, Key Lab Magnetism & Magnet Mat, Lanzhou 730000, Peoples R China

[3] Chinese Acad Sci, Natl Lab Infrared Phys, Shanghai 200083, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2017年 / 110卷 / 26期

基金：

中国国家自然科学基金; 加拿大自然科学与工程研究理事会;

关键词：

ANTIFERROMAGNETIC-RESONANCE;

D O I：

10.1063/1.4990977

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have experimentally investigated the non-resonant radiation damping in the coupled cavity photon-magnon system in addition to the resonant radiation damping which results in the linewidth exchange between the magnon-like and photon-like hybrid modes. The contribution of this non-resonant effect becomes apparent when the cavity photon-magnon resonance frequencies are mismatched. By carefully examining the change in the linewidth and the shift in the magnon resonance as a function of the coupling strength between the cavity photons and magnons, we can quantitatively describe this non-resonant radiation damping by including an additional relaxation channel for the hybridized photon-magnon system. This experimental realization and theoretical modelling of the non-resonant radiation damping in the cavity photon-magnon system may help in the design and adaptation of these systems for practical applications. Published by AIP Publishing.

引用

页数：5

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