Optical phenomena in mesoscale dielectric particles

OV Minin, IV Minin - Photonics, 2021 - mdpi.com
During the last decade, new unusual physical phenomena have been discovered in
studying the optics of dielectric mesoscale particles of an arbitrary three-dimensional shape …

Unusual optical effects in dielectric mesoscale particles

OV Minin, IV Minin - Laser Physics, Photonic Technologies …, 2022 - spiedigitallibrary.org
Some new unusual physical phenomena and effects associated with dielectric mesoscale
particles with Mie size parameter near 10 were studied and have been discovered during …

Terahertz detectors for 6G technology using quantum dot 3D concave convergence microwheel arrays

Q Song, Y Xu, Z Zhou, H Liang, M Zhang, G Zhu… - ACS …, 2022 - ACS Publications
The 6G technology has defined 0.1–0.28 THz as the communication band. However, high-
performance detectors in large areas at room temperature are still an enormous challenge …

Large area flexible thin layer terahertz detector

Q Song, Y Zhou, Y Wang, F Gao, J Wang… - Advanced Electronic …, 2023 - Wiley Online Library
Due to the low photon energy in the relevant frequency band, fewer materials can directly
excite carriers, and an extreme lack of high‐performance, large‐area detectors, limit the …

[HTML][HTML] Enhancing resolution of terahertz imaging systems below the diffraction limit

J Calvo-Gallego, JA Delgado-Notario, OV Minin… - Optics & Laser …, 2023 - Elsevier
We report on resolution enhancement of sub-terahertz (THz) images by using the terajet
effect. A mesoscale cuboid dielectric particle, used to establish the terajet, was placed in …

Waveguide-coupled heterodyne terahertz detector based on AlGaN/GaN high-electron-mobility transistor

K Zhu, W Feng, Y Zhu, Q Ding, Y Wang, Y Xiao… - Applied Physics …, 2022 - pubs.aip.org
We report a room-temperature, low output impedance, broad intermediate-frequency (IF)
bandwidth field-effect terahertz detector based on an AlGaN/GaN high-electron-mobility …

Terahertz tunable three-dimensional photonic jets

B Rezaei, B Yahyapour, A Darafsheh - Scientific reports, 2024 - nature.com
Highly localized electromagnetic field distributions near the “shadow-side” surface of certain
transparent mesoscale bodies illuminated by light waves are called photonic jets. We …

[HTML][HTML] High sensitivity HgTe room temperature terahertz photodetector

X Zuo, C Zhu, C Yao, Z Hu, Y Wu, L Fan, Z Li, J He… - APL Photonics, 2023 - pubs.aip.org
The advent of topological semi-metals with peculiar band structure and exotic quantum-
transport provides novel pathways for upgrading the performance of terahertz (THz) …

Improvement of an infrared pyroelectric detector performances in thz range using the terajet effect

OV Minin, J Calvo-Gallego, YM Meziani, IV Minin - Applied Sciences, 2021 - mdpi.com
An infrared (IR) pyroelectric detector was investigated for terahertz (THz) detection using the
principle of the terajet effect, which focuses the beam beyond the diffraction limit. The …

[PDF][PDF] Improvement of IR pyroelectric detector performance in THz range using wavelength-scale sphere-based terajet effect

OV Minin, IV Minin, Y Li, J Han - PIER Lett, 2021 - jpier.org
An infrared (IR) pyroelectric detector for applying to the terahertz (THz) waveband that uses
diffraction-limited focusing of the THz beam on the sensitive area of the detector is studied …