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
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
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页数:5
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