Design of an optomagnonic crystal: Towards optimal magnon-photon mode matching at the microscale
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...008 (compare to γ ≈ 10−5 − 10−4 for YIG) [119, 120]....
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"Design of an optomagnonic crystal: ..." refers background or methods in this paper
...We note that structures made of a high-ε material with air holes favour a band gap for transverse electric modes [40], which is advantageous for our purposes....
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...For simplicity we simulate the YIG crystal in a 2D model (see [40, 105])....
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...Similar symmetry considerations [40] show that a TE-like mode must satisfy...
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...We note that due to the (discrete) periodicity, the crystal only possesses an incomplete band gap and the localized mode can scatter to air modes [40]....
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...In this case the mid-gap frequency is given by [40]...
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