Spin-wave wavelength down-conversion at thickness steps

Johannes Stigloher; Takuya Taniguchi; Marco Madami; Martin Decker; Helmut S. Körner; Takahiro Moriyama; Gianluca Gubbiotti; Teruo Ono; Christian H. Back

doi:10.7567/APEX.11.053002

Spin-wave wavelength down-conversion at thickness steps

Johannes Stigloher, Takuya Taniguchi, Marco Madami, Martin Decker, Helmut S. Körner, Takahiro Moriyama, Gianluca Gubbiotti, Teruo Ono, Christian H. Back

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Abstract

We report a systematic experimental study on the refraction and reflection of magnetostatic spin-waves at a thickness step between two Permalloy films of different thickness. The transmitted spin-waves for the transition from a thick film to a thin film have a higher wave vector compared to the incoming waves. Consequently, such systems may find use as passive wavelength transformers in magnonic networks. We investigate the spin-wave transmission behavior by studying the influence of the external magnetic field, incident angle, and thickness ratio of the films using time-resolved scanning Kerr microscopy and micro-focused Brillouin light scattering.

Original language	English
Article number	053002
Journal	Applied Physics Express
Volume	11
Issue number	5
DOIs	https://doi.org/10.7567/APEX.11.053002
State	Published - May 2018
Externally published	Yes

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title = "Spin-wave wavelength down-conversion at thickness steps",

abstract = "We report a systematic experimental study on the refraction and reflection of magnetostatic spin-waves at a thickness step between two Permalloy films of different thickness. The transmitted spin-waves for the transition from a thick film to a thin film have a higher wave vector compared to the incoming waves. Consequently, such systems may find use as passive wavelength transformers in magnonic networks. We investigate the spin-wave transmission behavior by studying the influence of the external magnetic field, incident angle, and thickness ratio of the films using time-resolved scanning Kerr microscopy and micro-focused Brillouin light scattering.",

author = "Johannes Stigloher and Takuya Taniguchi and Marco Madami and Martin Decker and K{\"o}rner, {Helmut S.} and Takahiro Moriyama and Gianluca Gubbiotti and Teruo Ono and Back, {Christian H.}",

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year = "2018",

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doi = "10.7567/APEX.11.053002",

language = "English",

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journal = "Applied Physics Express",

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T1 - Spin-wave wavelength down-conversion at thickness steps

AU - Stigloher, Johannes

AU - Taniguchi, Takuya

AU - Madami, Marco

AU - Decker, Martin

AU - Körner, Helmut S.

AU - Moriyama, Takahiro

AU - Gubbiotti, Gianluca

AU - Ono, Teruo

AU - Back, Christian H.

PY - 2018/5

Y1 - 2018/5

N2 - We report a systematic experimental study on the refraction and reflection of magnetostatic spin-waves at a thickness step between two Permalloy films of different thickness. The transmitted spin-waves for the transition from a thick film to a thin film have a higher wave vector compared to the incoming waves. Consequently, such systems may find use as passive wavelength transformers in magnonic networks. We investigate the spin-wave transmission behavior by studying the influence of the external magnetic field, incident angle, and thickness ratio of the films using time-resolved scanning Kerr microscopy and micro-focused Brillouin light scattering.

AB - We report a systematic experimental study on the refraction and reflection of magnetostatic spin-waves at a thickness step between two Permalloy films of different thickness. The transmitted spin-waves for the transition from a thick film to a thin film have a higher wave vector compared to the incoming waves. Consequently, such systems may find use as passive wavelength transformers in magnonic networks. We investigate the spin-wave transmission behavior by studying the influence of the external magnetic field, incident angle, and thickness ratio of the films using time-resolved scanning Kerr microscopy and micro-focused Brillouin light scattering.

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U2 - 10.7567/APEX.11.053002

DO - 10.7567/APEX.11.053002

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SN - 1882-0778

VL - 11

JO - Applied Physics Express

JF - Applied Physics Express

IS - 5

M1 - 053002

ER -

Spin-wave wavelength down-conversion at thickness steps

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