Deep-ultraviolet integrated photonic and optoelectronic devices: A prospect of the hybridization of group III–nitrides, III–oxides, and two-dimensional materials

N Alfaraj, JW Min, CH Kang, AA Alatawi… - Journal of …, 2019 - iopscience.iop.org
Progress in the design and fabrication of ultraviolet and deep-ultraviolet group III–nitride
optoelectronic devices, based on aluminum gallium nitride and boron nitride and their …

Polynomial chaos expansion of random coefficients and the solution of stochastic partial differential equations in the tensor train format

S Dolgov, BN Khoromskij, A Litvinenko… - SIAM/ASA Journal on …, 2015 - SIAM
We apply the tensor train (TT) decomposition to construct the tensor product polynomial
chaos expansion (PCE) of a random field, to solve the stochastic elliptic diffusion PDE with …

Photoinduced entropy of InGaN/GaN pin double-heterostructure nanowires

N Alfaraj, S Mitra, F Wu, IA Ajia, B Janjua… - Applied Physics …, 2017 - pubs.aip.org
The photoinduced entropy of InGaN/GaN pin nanowires was investigated using temperature-
dependent (6–290 K) photoluminescence. We also analyzed the photocarrier dynamics in …

Mass‐manufactural lanthanide‐based ultraviolet B microlasers

L **, Y Wu, Y Wang, S Liu, Y Zhang, Z Li… - Advanced …, 2019 - Wiley Online Library
Abstract Lanthanide (Ln3+)‐based ultraviolet B (UVB) microlasers are highly desirable for
diagnostics and phototherapy. Despite their progress, the potential applications of UVB …

Improving the efficiency of transverse magnetic polarized emission from AlGaN based LEDs by using nanowire photonic crystal

X Liu, K Mashooq, T Szkopek, Z Mi - IEEE Photonics Journal, 2018 - ieeexplore.ieee.org
AlGaN-based deep ultraviolet (UV) light-emitting diodes (LEDs) are attractive for a wide
range of applications. To date, however, the best reported external quantum efficiency (EQE) …

Towards a highly efficient air purifier using annular photonic crystals in UV regimes

AA Ameen, H ElSayed, AH Aly - RSC advances, 2021 - pubs.rsc.org
Air purifiers play a vital role in fighting the spread of airborne transmitted diseases like
COVID-19, rubeola, Mycobacterium tuberculosis, and varicella-zoster, which represent a …

A 310 nm optically pumped AlGaN vertical-cavity surface-emitting laser

F Hjort, J Enslin, M Cobet, MA Bergmann… - ACS …, 2020 - ACS Publications
Ultraviolet light is essential for disinfection, fluorescence excitation, curing, and medical
treatment. An ultraviolet light source with the small footprint and excellent optical …

Ultraviolet-C AlGaN Resonant-Cavity Light-Emitting Diodes with Thermal Stability Pipe-AlGaN-Distributed Bragg Reflectors

KT Chen, CJ Wang, Y Ke, YC Kao, H Chen, YS Lin… - ACS …, 2023 - ACS Publications
Ultraviolet-C AlGaN resonant-cavity light-emitting diodes with top and bottom pipe-AlGaN-
distributed Bragg reflectors (DBRs) have been demonstrated. For the top/bottom DBR …

Photonic crystal tunnel junction deep ultraviolet light emitting diodes with enhanced light extraction efficiency

W Shin, A Pandey, X Liu, Y Sun, Z Mi - Optics express, 2019 - opg.optica.org
We report on the demonstration of top emitting AlGaN tunnel junction deep ultraviolet (UV)
light emitting didoes (LEDs) operating at∼ 267 nm. We show, both theoretically and …

Analysis of TM/TE mode enhancement and droop reduction by a nanoporous n-AlGaN underlayer in a 290 nm UV-LED

Y Li, C Wang, Y Zhang, P Hu, S Zhang, M Du… - Photonics …, 2020 - opg.optica.org
A full structure 290-nm ultraviolet light-emitting diode (UV-LED) with a nanoporous n-AlGaN
underlayer was fabricated by top via hole formation followed by high-voltage …