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physics.optics2024
Scattering Singularity in Topological Dielectric Photonic Crystals
Langlang Xiong, Xunya Jiang, Guangwei Hu
The exploration of topology in natural materials and metamaterials has garnered significant attention. Notably, the one-dimensional (1D) and two-dimensional (2D) Su-Schrieffer-Heeg…
physics.optics2024
Enhancement of spin-orbit interaction and nearly perfect spin-conversion by 1D photonic crystal with the anisotropic defect layer
Xianjun Wang, Yufu Liu, Yunlin Li +2
Although photon spin-orbit interaction (SOI) has been extensively studied, the vortex-conversion efficiency and the enhancement of spin Hall effect in abnormal modes in SOI remain…
physics.optics2024
Dual-polarization huge photonic spin Hall shift and deep-subwavelength sensing based on topological singularities in one-dimensional photonic crystals
Yufu Liu, Xianjun Wang, Yunlin Li +6
Although several efforts have been taken to enhance the photonic spin Hall shift in deep-subwavelength region, according to effective medium theory, the fundamental confliction bet…