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Maxwell's demon-like nonreciprocity by non-Hermitian gyrotropic metasurfaces
Physical Review Research ( IF 3.5 ) Pub Date : 2021-04-19 , DOI: 10.1103/physrevresearch.3.l022006 Wenyan Wang , Wang Tat Yau , Yanxia Cui , Jin Wang , Kin Hung Fung
Physical Review Research ( IF 3.5 ) Pub Date : 2021-04-19 , DOI: 10.1103/physrevresearch.3.l022006 Wenyan Wang , Wang Tat Yau , Yanxia Cui , Jin Wang , Kin Hung Fung
We show that Maxwell's demon-like nonreciprocity can be supported in a class of non-Hermitian gyrotropic metasurfaces in the linear regime. The proposed metasurface functions as a transmission-only Maxwell's demon operating at a pair of photon energies. Based on multiple scattering theory, we construct a dual-dipole model to explain the underlying mechanism that leads to the antisymmetric nonreciprocal transmission. The results may inspire new designs of compact nonreciprocal devices for photonics.
中文翻译:
非Hermitian回旋超表面的Maxwell类恶魔不可逆性
我们表明,在线性状态下的一类非Hermitian回旋超表面中可以支持Maxwell的类恶魔不可逆性。拟议的超表面起着仅在一对光子能量下运行的麦克斯韦恶魔的作用。基于多重散射理论,我们构建了一个双偶极子模型来解释导致反对称不可逆传输的潜在机制。这一结果可能会激发紧凑型不可逆的光子学器件的新设计。
更新日期:2021-04-19
中文翻译:
非Hermitian回旋超表面的Maxwell类恶魔不可逆性
我们表明,在线性状态下的一类非Hermitian回旋超表面中可以支持Maxwell的类恶魔不可逆性。拟议的超表面起着仅在一对光子能量下运行的麦克斯韦恶魔的作用。基于多重散射理论,我们构建了一个双偶极子模型来解释导致反对称不可逆传输的潜在机制。这一结果可能会激发紧凑型不可逆的光子学器件的新设计。