Time-resolved spectroscopy of spin-current emission from a magnetic insulator

We report that magnetostatic magnon transport can be controlled by local parametric excitation of short-wavelength magnons. We found that the parametrically excited magnon either enhances or suppresses the traveling magnetostatic magnons, depending on the frequency of the magnetostatic magnons. Our time-domain measurements of the magnon transport show that the change in the static magnetization due to the creation of the parametrically excited magnons is responsible for the control of the magnetostatic magnon transport. This result provides insight into magnon-based devices without complex microprocessing.

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Magnon transport controlled by local parametric excitation

Tateno

Ando

2016

Applied Physics Letters

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Time-resolved spectroscopy of spin-current emission from a magnetic insulator

Cited by 1 publication

References 25 publications

Magnon transport controlled by local parametric excitation

Magnon transport controlled by local parametric excitation

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