Phase-controllable spin wave generation in iron garnet by linearly polarized light pulses

Isao Yoshimine, Takuya Satoh, Ryugo Iida, Andrzej Stupakiewicz, Andrzej Maziewski, Tsutomu Shimura

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

A phase-controlled spin wave was non-thermally generated in bismuth-doped rare-earth iron garnet by linearly polarized light pulses. We controlled the initial phase of the spin wave continuously within a range of 180° by changing the polarization azimuth of the excitation light. The azimuth dependences of the initial phase and amplitude of the spin wave were attributed to a combination of the inverse Cotton-Mouton effect and photoinduced magnetic anisotropy. Temporally and spatially resolved spin wave propagation was observed with a CCD camera, and the waveform was in good agreement with calculations. A nonlinear effect of the spin excitation was observed for excitation fluences higher than 100 mJ/cm2.

Original languageEnglish
Article number043907
JournalJournal of Applied Physics
Volume116
Issue number4
DOIs
Publication statusPublished - Jul 28 2014

Fingerprint

wave generation
garnets
polarized light
magnons
iron
pulses
azimuth
excitation
cotton
CCD cameras
bismuth
wave propagation
fluence
waveforms
rare earth elements
anisotropy
polarization

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Yoshimine, I., Satoh, T., Iida, R., Stupakiewicz, A., Maziewski, A., & Shimura, T. (2014). Phase-controllable spin wave generation in iron garnet by linearly polarized light pulses. Journal of Applied Physics, 116(4), [043907]. https://doi.org/10.1063/1.4891107

Phase-controllable spin wave generation in iron garnet by linearly polarized light pulses. / Yoshimine, Isao; Satoh, Takuya; Iida, Ryugo; Stupakiewicz, Andrzej; Maziewski, Andrzej; Shimura, Tsutomu.

In: Journal of Applied Physics, Vol. 116, No. 4, 043907, 28.07.2014.

Research output: Contribution to journalArticle

Yoshimine, I, Satoh, T, Iida, R, Stupakiewicz, A, Maziewski, A & Shimura, T 2014, 'Phase-controllable spin wave generation in iron garnet by linearly polarized light pulses', Journal of Applied Physics, vol. 116, no. 4, 043907. https://doi.org/10.1063/1.4891107
Yoshimine I, Satoh T, Iida R, Stupakiewicz A, Maziewski A, Shimura T. Phase-controllable spin wave generation in iron garnet by linearly polarized light pulses. Journal of Applied Physics. 2014 Jul 28;116(4). 043907. https://doi.org/10.1063/1.4891107
Yoshimine, Isao ; Satoh, Takuya ; Iida, Ryugo ; Stupakiewicz, Andrzej ; Maziewski, Andrzej ; Shimura, Tsutomu. / Phase-controllable spin wave generation in iron garnet by linearly polarized light pulses. In: Journal of Applied Physics. 2014 ; Vol. 116, No. 4.
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