Ultrawide-bandgap semiconductor AlN crystals: growth and applications

R Yu, G Liu, G Wang, C Chen, M Xu, H Zhou… - Journal of Materials …, 2021 - pubs.rsc.org
In recent years, ultrawide bandgap semiconductor materials represented by aluminum
nitride (AlN) have attracted worldwide attention due to their excellent high-frequency power …

A 271.8 nm deep-ultraviolet laser diode for room temperature operation

Z Zhang, M Kushimoto, T Sakai… - Applied Physics …, 2019 - iopscience.iop.org
We present a deep-ultraviolet semiconductor laser diode that operates under current
injection at room temperature and at a very short wavelength. The laser structure was grown …

Status of the growth and fabrication of AlGaN-based UV laser diodes for near and mid-UV wavelength

R Kirste, B Sarkar, P Reddy, Q Guo, R Collazo… - Journal of Materials …, 2021 - Springer
In this article, the development of mid-UV laser diodes based on the AlGaN materials system
is reviewed. The targeted wavelength for these lasers covers the range from 200 to 350 nm …

Aluminum nitride nanowire light emitting diodes: Breaking the fundamental bottleneck of deep ultraviolet light sources

S Zhao, AT Connie, MHT Dastjerdi, XH Kong… - Scientific reports, 2015 - nature.com
Despite broad interest in aluminum gallium nitride (AlGaN) optoelectronic devices for deep
ultraviolet (DUV) applications, the performance of conventional Al (Ga) N planar devices …

Continuous-wave lasing of AlGaN-based ultraviolet laser diode at 274.8 nm by current injection

Z Zhang, M Kushimoto, A Yoshikawa… - Applied Physics …, 2022 - iopscience.iop.org
We demonstrated continuous-wave lasing of an AlGaN-based ultraviolet laser diode,
fabricated on a single-crystal AlN substrate when operating at 5 C. The threshold current …

Review of nanophotonics approaches using nanostructures and nanofabrication for III-nitrides ultraviolet-photonic devices

MS Alias, M Tangi, JA Holguin-Lerma… - Journal of …, 2018 - spiedigitallibrary.org
Group III-nitride semiconductor materials especially AlGaN are key-emerging candidates for
the advancement of ultraviolet (UV) photonic devices. Numerous nanophotonics …

An electrically pumped 239 nm AlGaN nanowire laser operating at room temperature

S Zhao, X Liu, Y Wu, Z Mi - Applied Physics Letters, 2016 - pubs.aip.org
In this work, we report on the demonstration of an electrically injected AlGaN nanowire laser
operating at 239 nm at room temperature. Vertically aligned Al-rich AlGaN nanowires are …

[HTML][HTML] Low-threshold stimulated emission at 249 nm and 256 nm from AlGaN-based multiple-quantum-well lasers grown on sapphire substrates

XH Li, T Detchprohm, TT Kao, MM Satter… - Applied Physics …, 2014 - pubs.aip.org
Optically pumped deep-ultraviolet (DUV) lasing with low threshold was demonstrated from
AlGaN-based multiple-quantum-well (MQW) heterostructures grown on sapphire substrates …

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 …

Recent progress of electrically pumped AlGaN diode lasers in the UV-B and-C bands

SMN Hasan, W You, MSI Sumon, S Arafin - Photonics, 2021 - mdpi.com
The development of electrically pumped semiconductor diode lasers emitting at the
ultraviolet (UV)-B and-C spectral bands has been an active area of research over the past …