Perovskite nanowires-based graphene plasmonic waveguides with low loss and low gain threshold

J Zhang, Z Guan, K Ma, D Teng - Diamond and Related Materials, 2023 - Elsevier
We designed a perovskite nanowire-based graphene plasmonic waveguide, where the
perovskite nanowire is located on the graphene-insulator-metal (GIM) platform. The finite …

Sodium-based cylindrical plasmonic waveguides in the near-infrared

D Teng, Y Tian, X Hu, Z Guan, W Gao, P Li, H Fang… - Nanomaterials, 2022 - mdpi.com
Subwavelength optical field confinement and low-loss propagation are of great significance
for compact photonic integration. However, the field confinement capability of plasmonic …

Floquet engineering-based frequency demodulation method for wireless THz short-range communications

K Herath, A Nirmalathas, SD Gunapala… - Physica …, 2023 - iopscience.iop.org
This study introduces a novel theoretical framework for detecting and decoding wireless
communication signals in the nanoscale range operating at terahertz (THz) frequencies …

Metallic waveguide transmitarrays for dual-band terahertz antennas with high gain and low sidelobe levels

N Wang, T Peng, J Huang, M Zhang, H Su, L Li… - Optics …, 2024 - Elsevier
The antenna is an indispensable device in terahertz (THz) wireless communication systems.
Owing to the high propagation attenuation of THz waves in atmospheric, THz antennas with …

A sodium-based hybrid plasmonic waveguide with ultra-deep subwavelength confinement and low cross-talk

D Teng, R Hu, Y Tang, K Wang - Optical Materials, 2024 - Elsevier
Surface plasmon photonics provides a feasible method for achieving high-density photonic
integration and low-loss optical field transmission. Here we propose a sodium-based hybrid …

Hybrid image graphene polaritons with extremely confined mode and field enhancement in the terahertz regime

CC Huang - Advanced Optical Materials, 2023 - Wiley Online Library
Guiding terahertz waves below the diffraction limit of light typically excite graphene
plasmons (GPs). However, the mode confinements of conventional GPs using graphene …

Hybrid nanowire–rectangular plasmonic waveguide for subwavelength confinement at 1550 nm

Y Wang, H Liu, S Wang, M Cai - Micromachines, 2022 - mdpi.com
This paper presents a hybrid waveguide based on metal surface plasmon polaritons (SPPs)
at 1550 nm comprising two silver (Ag) nanowires and a rectangular silicon (Si) waveguide …

Terahertz Waveguides by Coupling Plasmon Polaritons of Cylindrical Metal Wires and a Graphene‐Embedded Slot Waveguide

CC Huang, CC Huang - Advanced Photonics Research, 2023 - Wiley Online Library
Transmitting and processing terahertz (THz) signals in a chip‐scale form are tremendously
important due to extensive demands for these signals in various applications ranging from …

Surface-polariton excitation and energy losses by a charged particle in cylindrical waveguides

AA Saharian, LS Grigoryan, AS Kotanjyan… - Physical Review A, 2023 - APS
We investigate the emission of surface polaritons (SPs) by a charged particle moving inside
a dielectric cylinder parallel to its axis. It is assumed that the cylinder is immersed into a …

Terahertz Metal-Graphene Composite Plasmon Waveguides Combining Strong Field Confinement with Low Cross-Talk: A FEM Study

Y Yang, Y Zhang, S Hu, N Yang, D Teng - Plasmonics, 2024 - Springer
Terahertz waves have great potential in next generation communications due to their
broadband and high channel capacity. To integrate terahertz wireless links into fiber …