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 …
All‐dielectric heterogeneous metasurface as an efficient ultra‐broadband reflector
Conventional all‐dielectric metasurfaces made from high‐index and low‐loss materials
(such as Si or GaAs) can achieve high optical efficiencies as well as broadband …
(such as Si or GaAs) can achieve high optical efficiencies as well as broadband …
[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 …
[HTML][HTML] Design of GaN-based photonic crystal surface emitting lasers with top TiO2 photonic crystals
Q Liu, J Bin, K Feng, L Cheng, L Zhao, G Wu, J Chen - Results in Physics, 2022 - Elsevier
We designed GaN-based blue photonic crystal surface emitting lasers (PCSELs) by
incorporating a TiO 2 photonic crystal (PhC) layer on top of the GaN surface. An AlGaN …
incorporating a TiO 2 photonic crystal (PhC) layer on top of the GaN surface. An AlGaN …
Grating couplers for efficient integration of surface-emitting blue lasers and silicon nitride waveguide
Q Liu, Y Ni, NJ Ananna, MN Rahman, W Li… - Optics & Laser …, 2024 - Elsevier
We report here a theoretical investigation on high efficiency grating coupling for surface
emitting blue lasers integrated with silicon nitride (Si 3 N 4) waveguide. DBRs (distributed …
emitting blue lasers integrated with silicon nitride (Si 3 N 4) waveguide. DBRs (distributed …
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 …
Design and preparation of resin matrix composite coating with good ablation resistance performance under high-energy laser irradiation
X Xue, Y Peng, J Huang, L Li, Y Ni, Z Ma, L Gao… - Ceramics …, 2023 - Elsevier
High-energy lasers can cause severe damage to conventional materials in an extremely
short time. Highly reflective coatings are effective against damage, but they cannot withstand …
short time. Highly reflective coatings are effective against damage, but they cannot withstand …
[HTML][HTML] 基于场分布调控和多孔氮化镓DBR 的蓝光光子晶体面发射激光器设计
刘启发， 刘珂， 李皖晴， 郭寒， 杨宇潇， 朱刚毅 - Acta Optica Sinica, 2024 - opticsjournal.net
摘要提出了一种基于表面场分布调控和多孔氮化镓(GaN) 分布式布拉格反射器(DBR)
的蓝光PhC 面发射激光器, 通过在GaN 表面引入二氧化钛(TiO 2) PhC 层以及在下部引入多孔 …
的蓝光PhC 面发射激光器, 通过在GaN 表面引入二氧化钛(TiO 2) PhC 层以及在下部引入多孔 …
[PDF][PDF] 940 nm VCSEL 高折射率对比度亚波长光栅反射镜的设计
罗妍， 郝永芹， 晏长岭 - 红外与毫米波学报, 2021 - researching.cn
研究了一种940 nm GaAs 基VCSEL 的高折射率对比度亚波长光栅反射镜(HCG),
采用GaAs/AlOx 光栅结构, 讨论了TE 偏振时光栅结构中各参数对反射光谱的作用规律, 分析TE …
采用GaAs/AlOx 光栅结构, 讨论了TE 偏振时光栅结构中各参数对反射光谱的作用规律, 分析TE …