Porous nitride semiconductors reviewed
PH Griffin, RA Oliver - Journal of Physics D: Applied Physics, 2020 - iopscience.iop.org
Porous nitride semiconductors are a fast-developing area of study, which open up a wide
range of new properties and applications, including strain free optical reflectors, chemical …
range of new properties and applications, including strain free optical reflectors, chemical …
Progress and challenges in electrically pumped GaN-based VCSELs
ABSTRACT The Vertical-Cavity Surface-Emitting Laser (VCSEL) is an established optical
source in short-distance optical communication links, computer mice and tailored infrared …
source in short-distance optical communication links, computer mice and tailored infrared …
Electrically Injected GaN-Based Vertical-Cavity Surface-Emitting Lasers with TiO2 High-Index-Contrast Grating Reflectors
We demonstrate the first electrically injected GaN-based vertical-cavity surface-emitting
lasers (VCSELs) with a TiO2 high-index-contrast grating (HCG) as the top mirror. Replacing …
lasers (VCSELs) with a TiO2 high-index-contrast grating (HCG) as the top mirror. Replacing …
Polarization-dependent GaN surface grating reflector for short wavelength applications
This study proposes a one-dimensional sub-wavelength grating structure on GaN surface
which behaves as a reflector for transverse-electric polarized light in the blue wavelength …
which behaves as a reflector for transverse-electric polarized light in the blue wavelength …
Sub-wavelength GaN-based membrane high contrast grating reflectors
The GaN-based membrane high contrast grating (HCG) reflectors have been fabricated and
investigated. The structural parameters including grating periods, grating height, filling …
investigated. The structural parameters including grating periods, grating height, filling …
[HTML][HTML] TiO2 membrane high-contrast grating reflectors for vertical-cavity light-emitters in the visible wavelength regime
E Hashemi, J Bengtsson, JS Gustavsson… - Journal of Vacuum …, 2015 - pubs.aip.org
In this work, the authors describe a novel route to achieve a high reflectivity, wide bandwidth
feedback mirror for GaN-based vertical-cavity light emitters; using air-suspended high …
feedback mirror for GaN-based vertical-cavity light emitters; using air-suspended high …
[HTML][HTML] Design of broadband reflector at the visible wavelengths using particle swarm optimization
S He, Q Liu, T Sa, Z Wang - AIP Advances, 2019 - pubs.aip.org
We design and theoretically investigate freestanding gallium nitride (GaN) high contrast
grating (HCG) membranes as broadband reflectors operating at the visible wavelengths …
grating (HCG) membranes as broadband reflectors operating at the visible wavelengths …
GaN-based high contrast grating surface-emitting lasers
TT Wu, SH Wu, TC Lu, SC Wang - Applied Physics Letters, 2013 - pubs.aip.org
GaN-based high contrast grating surface-emitting lasers (HCG SELs) with AlN/GaN
distributed Bragg reflectors were reported. The device exhibited a low threshold pumping …
distributed Bragg reflectors were reported. The device exhibited a low threshold pumping …
Transverse mode control in high-contrast grating VCSELs
This paper presents an extensive numerical analysis of a high-contrast grating VCSEL
emitting at 0.98 μm. Using a three-dimensional, fully vectorial optical model, we investigate …
emitting at 0.98 μm. Using a three-dimensional, fully vectorial optical model, we investigate …
Demonstration of polarization control GaN-based micro-cavity lasers using a rigid high-contrast grating reflector
We reported on GaN microcavity (MC) lasers combined with one rigid TiO2 high-contrast
grating (HCG) structure as the output mirror. The HCG structure was directly fabricated on …
grating (HCG) structure as the output mirror. The HCG structure was directly fabricated on …