Hot spin-wave resonators and scatterers

被引：17

作者：

Kolokoltsev, Oleg ^{[1
]}

Qureshi, Naser ^{[1
]}

Mejia-Uriarte, Elsi ^{[1
]}

Ordonez-Romero, Cesar L. ^{[2
]}

机构：

[1] Univ Nacl Autonoma Mexico, Ctr Ciencias Aplicadas & Desarrollo Tecnol, Mexico City 04510, DF, Mexico

[2] Univ Nacl Autonoma Mexico, IFUNAM, Inst Fis, Mexico City 04510, DF, Mexico

来源：

JOURNAL OF APPLIED PHYSICS | 2012年 / 112卷 / 01期

关键词：

THIN-FILM; MAGNETIZATION;

D O I：

10.1063/1.4730927

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A method used to achieve efficient optical control of a spin wave system in yttrium iron garnet is described. Using a focused laser beam, spin wave resonators and reflectors are induced by controlled local thermal demagnetization of a thin film. We report on the formation of an optically induced potential well for magnetostatic surface spin waves (MSSWs) leading to the formation of a high-Q MSSW resonator, and a high potential barrier that efficiently reflects magnetostatic backward volume waves. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4730927]

引用

页数：5

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