Polarization-sensitive photonic bandgaps in hybrid one-dimensional photonic crystals composed of all-dielectric elliptical metamaterials and isotropic dielectrics

F Wu, T Liu, S **ao - Applied Optics, 2023 - opg.optica.org
Photonic bandgaps (PBGs) in conventional one-dimensional (1-D) photonic crystals (PhCs)
composed of isotropic dielectrics are polarization-insensitive since the optical length within a …

[HTML][HTML] Tunable wide-angle high-efficiency polarization selectivity based on a one-dimensional photonic crystal containing elliptical metamaterials

Y She, D Liu, J Li, M Yao, Y Zheng, F Wu - Physics Letters A, 2024 - Elsevier
Recently, researchers achieved wide-angle high-efficiency polarization selectivity based on
polarization-sensitive photonic bandgaps in one-dimensional photonic crystals containing …

Momentum mismatch driven bound states in the continuum and ellipsometric phase singularities

F Wu, X Qi, M Qin, M Luo, Y Long, J Wu, Y Sun, H Jiang… - Physical Review B, 2024 - APS
In this paper, we elucidate the formation of bound states in the continuum (BICs) in
compound grating waveguide structures from the perspective of momentum mismatch. As …

Photonic characterisation of indium tin oxide as a function of deposition conditions

SFJ Blair, JS Male, SA Cavill, CP Reardon, TF Krauss - Nanomaterials, 2023 - mdpi.com
Indium tin oxide (ITO) has recently gained prominence as a photonic nanomaterial, for
example, in modulators, tuneable metasurfaces and for epsilon-near-zero (ENZ) photonics …

A redshifted photonic bandgap and wide-angle polarization selection in an all-hyperbolic-metamaterial one-dimensional photonic crystal

F Wu, D Liu, H Li, M Feng - Physical Chemistry Chemical Physics, 2023 - pubs.rsc.org
According to the Bragg scattering theory, photonic bandgaps (PBGs) in all-dielectric one-
dimensional (1-D) photonic crystals (PhCs) are polarization-insensitive. This polarization …

Design and optimization of GeSn waveguide photodetectors for 2-µm band silicon photonics

S Ghosh, R Bansal, G Sun, RA Soref, HH Cheng… - Sensors, 2022 - mdpi.com
Silicon photonics is emerging as a competitive platform for electronic–photonic integrated
circuits (EPICs) in the 2 µm wavelength band where GeSn photodetectors (PDs) have …

[HTML][HTML] Optimization of highly circularly polarized thermal radiation in α-MoO3/β-Ga2O3 twisted layers

M Centini, C Yang, MC Larciprete, M Antezza… - Journal of Quantitative …, 2024 - Elsevier
We investigate a bi-layer scheme for circularly polarized infrared thermal radiation. Our
approach takes advantage of the strong anisotropy of low-symmetry materials such as β-Ga …

Wide-angle high-efficiency absorption of graphene empowered by an angle-insensitive Tamm plasmon polariton

F Wu, S **ao - Optics Express, 2023 - opg.optica.org
In recent years, researchers utilized Tamm plasmon polaritons (TPPs) in conventional
heterostructures composed of a metal layer, a dielectric spacer layer and an all-dielectric …

Graphene multilayers for coherent perfect absorption: effects of interlayer separation

D Pandey, S **ao, M Wubs - Optics Express, 2022 - opg.optica.org
We present a model study to estimate the sensitivity of the optical absorption of multilayered
graphene structure to the subnanometer interlayer separation. Starting from a transfer-matrix …

[HTML][HTML] Polarization-sensitive optical Tamm state and its application in polarization-sensitive absorption

F Wu, Y Chen, Y Long, G Liu, H Deng, H Li - Results in Physics, 2022 - Elsevier
In conventional heterostructures consisting of metal layers and all-dielectric one-
dimensional (1-D) photonic crystals (PCs), optical Tamm states (OTSs) shift toward shorter …