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arXiv 2209.14643quant-phcond-mat.mtrl-sci
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室温下YIG/腔系统中从强耦合到超强耦合的测量

Strong to ultra-strong coherent coupling measurements in a YIG/cavity system at room temperature

Guillaume Bourcin, Jeremy Bourhill, Vincent Vlaminck, Vincent Castel

AI总结:

本研究在室温下实现了YIG板与3D重入腔从强耦合到超强耦合的测量,耦合率达12%-59%,并指出分析此类器件极化激元分支时的关键考量,实验结果与频域电磁有限元仿真高度吻合。

摘要:

我们研究了室温下频率可重构的3D重入腔与YIG板耦合时,从强耦合到超强耦合区域的实验。观察到的耦合率(定义为耦合强度与目标腔频率之比)范围为12%至59%。我们指出,在分析RF场高度集中于磁性材料的腔自旋电子器件的极化激元分支时,必须考虑某些因素。我们的观测结果与频域电磁有限元仿真高度吻合。

英文摘要:

We present an experimental study of the strong to ultra-strong coupling regimes at room temperature in frequency-reconfigurable 3D re-entrant cavities coupled with a YIG slab. The observed coupling rate, defined as the ratio of the coupling strength to the cavity frequency of interest, ranges from 12% to 59%. We show that certain considerations must be taken into account when analyzing the polaritonic branches of a cavity spintronic device where the RF field is highly focused in the magnetic material. Our observations are in excellent agreement with electromagnetic finite element simulations in the frequency domain.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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