Spectroscopic ellipsometry for low-dimensional materials and heterostructures

SJ Yoo, QH Park - Nanophotonics, 2022 - degruyter.com
Discovery of low-dimensional materials has been of great interest in physics and material
science. Optical permittivity is an optical fingerprint of material electronic structures, and thus …

High sensitivity gas sensor based on surface exciton polariton enhanced photonic spin Hall effect

W Yang, LK Ang, W Zhang, J Han, Y Xu - Optics Express, 2023 - opg.optica.org
In this paper, the sub-wavelength transverse displacement of photonic spin Hall effect
(PSHE) is significantly enhanced by the surface exciton polariton (SEP) for application in …

Spatial shifts of reflected light beam on black phosphorus/hexagonal boron nitride structure

Y Li, H Song, Y Zhang, S Zhou, S Fu, Q Zhang… - Optics & Laser …, 2023 - Elsevier
We examined Goos-Hänchen (GH) and Imbert-Fedorov (IF) shifts of the reflective beam from
the hexagonal boron nitride (hBN) covered by black phosphorus (BP) layers, where the BP …

Enhanced spin Hall effect of light in the PT-symmetric trilayer structure containing epsilon-near-zero materials

Y Song, Y Shu, T Jiang, J Liu… - Journal of Physics D …, 2023 - iopscience.iop.org
We systematically study the spin Hall effect of light (SHEL) in the parity-time (PT)-symmetric
trilayer structure containing epsilon-near-zero (ENZ) materials, and design a high sensitivity …

Asymmetric spin splitting of Laguerre-Gaussian beams in chiral PT-symmetric metamaterials

DX Liu, CK Liang, DM Deng, GH Wang, L Zhang - Optics Express, 2022 - opg.optica.org
We systematically study the spin Hall effect of light (SHEL) in chiral PT-symmetric
metamaterials when Laguerre Gaussian beams (LG beams) are incident and discover that …

Anisotropic Goos–Hänchen shift in few-layer two-dimensional materials

DK Li, SY Wang, XQ Yan, BW Su, Z Hu, ZB Liu… - Applied Physics …, 2022 - pubs.aip.org
We study the Goos–Hänchen (GH) effect in mechanically exfoliated anisotropic two-
dimensional (2D) black phosphorus and rhenium disulfide by using a beam displacement …

Highly sensitive photonic spin Hall effect sensor with graphene-coated surface exciton polariton structure

W Yang, W Zhang, Y Xu - Optics Express, 2024 - opg.optica.org
The photonic spin Hall effect (PSHE) in a graphene-coated surface exciton polariton (SEP)
structure is investigated in this work. The transverse shift of 32.95 λ 0 (17.53 μ m) is achieved …

Optical spatial differentiation enabled layer sensing of two-dimensional atomic crystals

J Zhang, H Wu, M Huang, X Dai, T Zhang, Y Li… - Optics Express, 2024 - opg.optica.org
Zero-thickness model and slab model are two important models in the description of optical
behaviors in two-dimensional atomic crystals. The predicted difference in optical behaviors …

Total reflection and large Goos-Hänchen shift in a semi-Dirac system

H Xiang, F Zhai - Physical Review B, 2024 - APS
Carriers in two-dimensional semi-Dirac materials exhibit massless and massive dispersions
along two perpendicular directions. Here, we investigate theoretically their properties of …

Giant and controllable Goos–Hänchen shift of a reflective beam off a hyperbolic metasurface of polar crystals

T Xue, YB Li, HY Song, XG Wang, Q Zhang… - Chinese …, 2023 - iopscience.iop.org
We conduct a theoretical analysis of the massive and tunable Goos–Hänchen (GH) shift on
a polar crystal covered with periodical black phosphorus (BP)-patches in the THz range. The …