Author:
Xiong Yuzan,Li Yi,Hammami Mouhamad,Bidthanapally Rao,Sklenar Joseph,Zhang Xufeng,Qu Hongwei,Srinivasan Gopalan,Pearson John,Hoffmann Axel,Novosad Valentine,Zhang Wei
Abstract
AbstractWe demonstrate the magnetically-induced transparency (MIT) effect in Y$$_3$$3Fe$$_5$$5O$$_{12}$$12(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.
Publisher
Springer Science and Business Media LLC
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