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Light-induced Thermomagnetic Recording of Ferromagnetic Thin-film on Silicon Waveguide for Solid-State Magneto-Optical Memory

Toshiya Murai, Yuya Shoji, and Tetsuya Mizumoto

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Abstract

We firstly demonstrate light-induced thermomagnetic recording of a ferromagnetic thin-film CoFeB placed on a silicon waveguide. The magnetization reversal is observed when light propagates in the waveguide and evanescently heats up the thin-film magnet.

© 2022 The Author(s)

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