Detecting Phase-Resolved Magnetization Dynamics by Magneto-Optic Effects at 1550 nm Wavelength

Yuzan Xiong; Yi Li; Rao Bidthanapally; Joseph Sklenar; Mouhamad Hammami; Sawyer Hall; Xufeng Zhang; Peng Li; John E. Pearson; Thomas Sebastian; Gopalan Srinivasan; Axel Hoffmann; Hongwei Qu; Valentine Novosad; Wei Zhang

doi:10.1109/TMAG.2020.3013063

Detecting Phase-Resolved Magnetization Dynamics by Magneto-Optic Effects at 1550 nm Wavelength

Yuzan Xiong, Yi Li, Rao Bidthanapally, Joseph Sklenar, Mouhamad Hammami, Sawyer Hall, Xufeng Zhang, Peng Li, John E. Pearson, Thomas Sebastian, Gopalan Srinivasan, Axel Hoffmann, Hongwei Qu, Valentine Novosad, Wei Zhang

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

Abstract

We demonstrate the detection of phase-resolved magnetization dynamics with combinatorial magneto-optic Kerr and Faraday effects. The method uses a continuous-wave laser that is amplitude-modulated at the spin dynamic frequencies and thus allows for coherent tracking of the spin dynamics, akin a 'lock-in'-type measurement. In particular, our method, using a single 1550 nm wavelength, probes simultaneously the ferromagnetic (FM) resonance of Y3Fe5O12 (YIG) and Permalloy (Py = Ni80Fe20) in a YIG-Py heterostructure. The fiber-based magneto-optic components also have the advantage of being made into a compact, tabletop or even portable system with yet robust measurement performances. We believe that our method will be found useful in studying hybrid quantum magnonic systems and/or investigating phase-resolved spin dynamics in nanomagnet structures involving both FM insulators and metals.

Original language	English (US)
Article number	9153024
Journal	IEEE Transactions on Magnetics
Volume	57
Issue number	2
DOIs	https://doi.org/10.1109/TMAG.2020.3013063
State	Published - Feb 2021

Keywords

Epitaxial films
IEEE
IEEE Transactions on Magnetics
IEEEtran
ferromagnetic resonance (FMR)
optical detection

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

Online availability

10.1109/TMAG.2020.3013063

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Xiong, Y., Li, Y., Bidthanapally, R., Sklenar, J., Hammami, M., Hall, S., Zhang, X., Li, P., Pearson, J. E., Sebastian, T., Srinivasan, G., Hoffmann, A., Qu, H., Novosad, V., & Zhang, W. (2021). Detecting Phase-Resolved Magnetization Dynamics by Magneto-Optic Effects at 1550 nm Wavelength. IEEE Transactions on Magnetics, 57(2), [9153024]. https://doi.org/10.1109/TMAG.2020.3013063

Xiong, Y, Li, Y, Bidthanapally, R, Sklenar, J, Hammami, M, Hall, S, Zhang, X, Li, P, Pearson, JE, Sebastian, T, Srinivasan, G, Hoffmann, A, Qu, H, Novosad, V & Zhang, W 2021, 'Detecting Phase-Resolved Magnetization Dynamics by Magneto-Optic Effects at 1550 nm Wavelength', IEEE Transactions on Magnetics, vol. 57, no. 2, 9153024. https://doi.org/10.1109/TMAG.2020.3013063

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title = "Detecting Phase-Resolved Magnetization Dynamics by Magneto-Optic Effects at 1550 nm Wavelength",

abstract = "We demonstrate the detection of phase-resolved magnetization dynamics with combinatorial magneto-optic Kerr and Faraday effects. The method uses a continuous-wave laser that is amplitude-modulated at the spin dynamic frequencies and thus allows for coherent tracking of the spin dynamics, akin a 'lock-in'-type measurement. In particular, our method, using a single 1550 nm wavelength, probes simultaneously the ferromagnetic (FM) resonance of Y3Fe5O12 (YIG) and Permalloy (Py = Ni80Fe20) in a YIG-Py heterostructure. The fiber-based magneto-optic components also have the advantage of being made into a compact, tabletop or even portable system with yet robust measurement performances. We believe that our method will be found useful in studying hybrid quantum magnonic systems and/or investigating phase-resolved spin dynamics in nanomagnet structures involving both FM insulators and metals. ",

keywords = "Epitaxial films, IEEE, IEEE Transactions on Magnetics, IEEEtran, ferromagnetic resonance (FMR), optical detection",

author = "Yuzan Xiong and Yi Li and Rao Bidthanapally and Joseph Sklenar and Mouhamad Hammami and Sawyer Hall and Xufeng Zhang and Peng Li and Pearson, {John E.} and Thomas Sebastian and Gopalan Srinivasan and Axel Hoffmann and Hongwei Qu and Valentine Novosad and Wei Zhang",

note = "Funding Information: This work was supported in part by the Air Force Office of Scientific Research (AFOSR) under Grant FA9550-19-1-0254, in part by the National Science Foundation under Grant ECCS-1933301 and Grant ECCS-1941426, and in part by the U.S. Department of Energy (DOE), Office of Science, Materials Sciences and Engineering Division. The work of Mouhamad Hammami was supported by the Michigan Space Grant Consortium Student Fellowship. Publisher Copyright: {\textcopyright} 1965-2012 IEEE.",

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AU - Xiong, Yuzan

AU - Li, Yi

AU - Bidthanapally, Rao

AU - Sklenar, Joseph

AU - Hammami, Mouhamad

AU - Hall, Sawyer

AU - Zhang, Xufeng

AU - Li, Peng

AU - Pearson, John E.

AU - Sebastian, Thomas

AU - Srinivasan, Gopalan

AU - Hoffmann, Axel

AU - Qu, Hongwei

AU - Novosad, Valentine

AU - Zhang, Wei

N1 - Funding Information: This work was supported in part by the Air Force Office of Scientific Research (AFOSR) under Grant FA9550-19-1-0254, in part by the National Science Foundation under Grant ECCS-1933301 and Grant ECCS-1941426, and in part by the U.S. Department of Energy (DOE), Office of Science, Materials Sciences and Engineering Division. The work of Mouhamad Hammami was supported by the Michigan Space Grant Consortium Student Fellowship. Publisher Copyright: © 1965-2012 IEEE.

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N2 - We demonstrate the detection of phase-resolved magnetization dynamics with combinatorial magneto-optic Kerr and Faraday effects. The method uses a continuous-wave laser that is amplitude-modulated at the spin dynamic frequencies and thus allows for coherent tracking of the spin dynamics, akin a 'lock-in'-type measurement. In particular, our method, using a single 1550 nm wavelength, probes simultaneously the ferromagnetic (FM) resonance of Y3Fe5O12 (YIG) and Permalloy (Py = Ni80Fe20) in a YIG-Py heterostructure. The fiber-based magneto-optic components also have the advantage of being made into a compact, tabletop or even portable system with yet robust measurement performances. We believe that our method will be found useful in studying hybrid quantum magnonic systems and/or investigating phase-resolved spin dynamics in nanomagnet structures involving both FM insulators and metals.

AB - We demonstrate the detection of phase-resolved magnetization dynamics with combinatorial magneto-optic Kerr and Faraday effects. The method uses a continuous-wave laser that is amplitude-modulated at the spin dynamic frequencies and thus allows for coherent tracking of the spin dynamics, akin a 'lock-in'-type measurement. In particular, our method, using a single 1550 nm wavelength, probes simultaneously the ferromagnetic (FM) resonance of Y3Fe5O12 (YIG) and Permalloy (Py = Ni80Fe20) in a YIG-Py heterostructure. The fiber-based magneto-optic components also have the advantage of being made into a compact, tabletop or even portable system with yet robust measurement performances. We believe that our method will be found useful in studying hybrid quantum magnonic systems and/or investigating phase-resolved spin dynamics in nanomagnet structures involving both FM insulators and metals.

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Detecting Phase-Resolved Magnetization Dynamics by Magneto-Optic Effects at 1550 nm Wavelength

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