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Experimental Tuning of Transport Regimes in Hyperuniform Disordered Photonic Materials
Physical Review Letters ( IF 8.6 ) Pub Date : 2020-09-17 , DOI: 10.1103/physrevlett.125.127402
Geoffroy J. Aubry , Luis S. Froufe-Pérez , Ulrich Kuhl , Olivier Legrand , Frank Scheffold , Fabrice Mortessagne

We present wave transport experiments in hyperuniform disordered arrays of cylinders with high dielectric permittivity. Using microwaves, we show that the same material can display transparency, photon diffusion, Anderson localization, or a full band gap, depending on the frequency ν of the electromagnetic wave. Interestingly, we find a second weaker band gap, which appears to be related to the second peak of the structure factor. Our results emphasize the importance of spatial correlations on different length scales for the formation of photonic band gaps.

中文翻译:

超均匀无序光子材料中传输方式的实验调整

我们目前在具有高介电常数的圆柱体的超均匀无序阵列中进行波传输实验。使用微波,我们证明了相同的材料可以显示透明性,光子扩散,安德森定位或整个带隙,具体取决于频率ν电磁波。有趣的是,我们发现第二个较弱的带隙似乎与结构因子的第二个峰有关。我们的结果强调了不同长度尺度上空间相关性对于形成光子带隙的重要性。
更新日期:2020-09-18
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