Ultra-strong magnon-photon coupling induced in the photonic crystals with an YGaGeIG defect

In this work, magnon-photon couplings are studied by using a point defect cavity in two dimensional simple cubic structure photonic crystals. The point defect is introduced by replacing one of the lattice points (copper cylinder) with a Ca and Ge element doped yttrium-iron-garnet (YCaGeIG) cylinder....

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Veröffentlicht in:	Applied physics letters 2019-07, Vol.115 (2)
Hauptverfasser:	Zhang, Chi, Shi, Yongzhang, Zhang, Weihua, Jiang, Changjun, Chai, Guozhi
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied physics Couplings Crystal defects Crystal lattices Crystal structure Cylinders Magnons Photonic crystals Point defects Yttrium Yttrium-iron garnet
Online-Zugang:	Volltext
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