物理
平均自由程
光子学
可见的
消光(光学矿物学)
自旋霍尔效应
自旋(空气动力学)
共振(粒子物理)
光学
凝聚态物理
量子力学
散射
电子
自旋极化
热力学
作者
Federico Carlini,Nicolas Cherroret
标识
DOI:10.21468/scipostphys.14.5.104
摘要
It has been recently shown that the coherent component of light propagating in transversally disordered media, the so-called coherent mode, exhibits an optical spin Hall effect (SHE). In non-resonant materials, however, this phenomenon shows up at a spatial scale much larger than the mean free path, making its observation challenging due to the exponential attenuation of the coherent mode. Here, we show that in disordered photonic arrays exhibiting Mie resonances, the SHE on the contrary appears at a scale smaller than the mean free path if one operates in the close vicinity of the lowest transverse-magnetic resonance of the array. In combination with a weak measurement, this gives rise to a giant SHE that should be observable in optically-thin media. Furthermore, we show that by additionally exploiting the cooperative emission of a flash of light following the abrupt extinction of the incoming beam, one can achieve a time-dependent SHE, observable at large optical thickness as well.
科研通智能强力驱动
Strongly Powered by AbleSci AI