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Combined Brillouin light scattering and microwave absorption study of magnon-photon coupling in a split-ring resonator/YIG film system

Combined Brillouin light scattering and microwave absorption study of magnon-photon coupling in a split-ring resonator/YIG film system

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KLINGLER, Stefan, Hannes MAIER-FLAIG, Rudolf GROSS, Can-Ming HU, Hans HUEBL, Sebastian T. B. GÖNNENWEIN, Mathias WEILER, 2016. Combined Brillouin light scattering and microwave absorption study of magnon-photon coupling in a split-ring resonator/YIG film system. In: Applied Physics Letters. American Institute of Physics (AIP). 109(7), 072402. ISSN 0003-6951. eISSN 1077-3118. Available under: doi: 10.1063/1.4961052

@article{Klingler2016-05-27T08:11:55ZCombi-52427, title={Combined Brillouin light scattering and microwave absorption study of magnon-photon coupling in a split-ring resonator/YIG film system}, year={2016}, doi={10.1063/1.4961052}, number={7}, volume={109}, issn={0003-6951}, journal={Applied Physics Letters}, author={Klingler, Stefan and Maier-Flaig, Hannes and Gross, Rudolf and Hu, Can-Ming and Huebl, Hans and Gönnenwein, Sebastian T. B. and Weiler, Mathias}, note={Article Number: 072402} }

Klingler, Stefan Microfocused Brillouin light scattering (BLS) and microwave absorption (MA) are used to study magnon-photon coupling in a system consisting of a split-ring microwave resonator and an yttrium iron garnet (YIG) film. The split-ring resonator is defined by optical lithography and loaded with a 1 μm-thick YIG film grown by liquid phase epitaxy. BLS and MA spectra of the hybrid system are simultaneously recorded as a function of the applied magnetic field magnitude and microwave excitation frequency. Strong coupling of the magnon and microwave resonator modes is found with a coupling strength of g<sub>eff</sub> /2π = 63 MHz. The combined BLS and MA data allow us to study the continuous transition of the hybridized modes from a purely magnonic to a purely photonic mode by varying the applied magnetic field and microwave frequency. Furthermore, the BLS data represent an up-conversion of the microwave frequency coupling to optical frequencies. Combined Brillouin light scattering and microwave absorption study of magnon-photon coupling in a split-ring resonator/YIG film system Hu, Can-Ming Gönnenwein, Sebastian T. B. Maier-Flaig, Hannes Weiler, Mathias eng Gross, Rudolf Weiler, Mathias 2016-05-27T08:11:55Z 2021-01-14T12:56:27Z Maier-Flaig, Hannes Huebl, Hans terms-of-use Gross, Rudolf 2021-01-14T12:56:27Z Gönnenwein, Sebastian T. B. Hu, Can-Ming Huebl, Hans Klingler, Stefan

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