Spin-wave interference | Zendy

Sangkook Choi | Zendy; KiSuk Lee | Zendy; SangKoog Kim | Zendy

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Spin-wave interference

Author(s) -

Sangkook Choi,

KiSuk Lee,

SangKoog Kim

Publication year - 2006

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.2259813

Subject(s) - spin wave , interference (communication) , diffraction , optics , dispersion (optics) , condensed matter physics , physics , spin (aerodynamics) , electromagnetic radiation , micromagnetics , magnetization , materials science , magnetic field , ferromagnetism , telecommunications , quantum mechanics , channel (broadcasting) , computer science , thermodynamics

Spin-wave interference is demonstrated in the micromagnetic modeling of a specially designed geometry made of variously shaped magnetic thin-film waveguides. When spin waves are diffracted through two separate openings, corresponding to the two pinholes in the second screen of Young's apparatus, they interfere constructively or destructively in a magnetic medium, thereby showing distinct interference patterns. Furthermore, the radiation, propagation, transmission, and dispersion behaviors of spin waves as well as the filtering of their lower frequencies are investigated in the present modeling study. These results directly confirm not only the wave characteristics of spin waves traveling at ultrafast speeds in variously shaped magnetic waveguides but also their interference effect, that is similar to that observed in well-known Young's double slit experiment with light.open312

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