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Article Dans Une Revue IEEE Magnetics Letters Année : 2017

Control of magnon-photon coupling strength in a planar resonator/YIG thin film configuration

Résumé

A systematic study of the coupling at room temperature between ferromagnetic resonance and a planar resonator is presented. The chosen magnetic material is a ferrimagnetic insulator (yttrium iron garnet, YIG) which is positioned on top of a stop band (notch) filter based on a stub line capacitively coupled to a 50 Ω microstrip line resonating at 4.731 GHz. Control of the magnon-photon coupling strength is discussed in terms of the microwave excitation configuration and the YIG thickness from 0.2 to 41 μm. From the latter dependence, we extract a single spin-photon coupling of g0/2π = 162 ± 6 mHz and a maximum of an effective coupling of 290 MHz.
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Dates et versions

hal-01584462 , version 1 (08-09-2017)

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Vincent Castel, Alexandre Manchec, Jamal Ben Youssef. Control of magnon-photon coupling strength in a planar resonator/YIG thin film configuration. IEEE Magnetics Letters, 2017, 8, pp.Art. 3703105 - ⟨10.1109/LMAG.2016.2635627⟩. ⟨hal-01584462⟩
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