Journal
SCIENTIFIC REPORTS
Volume 10, Issue 1, Pages -Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/s41598-020-69364-6
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Funding
- AFOSR [FA9550-19-1-0254]
- National Science Foundation [DMR-1808892, ECCS-1933301]
- U.S. DOE, Office of Science, Materials Sciences and Engineering Division
- Michigan Space Grant Consortium Student Fellowship
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We demonstrate the magnetically-induced transparency (MIT) effect in Y3Fe5O12(YIG)/Permalloy (Py) coupled bilayers. The measurement is achieved via a heterodyne detection of the coupled magnetization dynamics using a single wavelength that probes the magneto-optical Kerr and Faraday effects of Py and YIG, respectively. Clear features of the MIT effect are evident from the deeply modulated ferromagnetic resonance of Py due to the perpendicular-standing-spin-wave of YIG. We develop a phenomenological model that nicely reproduces the experimental results including the induced amplitude and phase evolution caused by the magnon-magnon coupling. Our work offers a new route towards studying phase-resolved spin dynamics and hybrid magnonic systems.
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