Results 31 to 40 of about 19,724 (234)

Vertical-cavity surface-emitting laser technology applications with focus on sensors and three-dimensional imaging

open access: yesJapanese Journal of Applied Physics, 2018
Vertical-cavity surface-emitting laser (VCSEL) diodes provide extraordinary properties like sub-mA threshold current, multi-GHz modulation capability, or relative intensity noise close to the quantum limit.
K. Ebeling, R. Michalzik, H. Moench
semanticscholar   +1 more source

Long-Wavelength High-Contrast Grating Vertical-Cavity Surface-Emitting Laser

open access: yesIEEE Photonics Journal, 2010
A novel long-wavelength vertical-cavity surface-emitting laser (VCSEL) structure based on a subwavelength high-contrast grating (HCG) as the output mirror has been realized.
Werner Hofmann   +7 more
doaj   +1 more source

Radiation effect and simulation of 850 nm vertical-cavity surface-emitting laser

open access: yesHe jishu, 2022
BackgroundVertical cavity surface emitting lasers (VCSEL) have very high application value in space radiation environment.PurposeThis study aims to explore the degradation rule and mechanism of 850 nm VCSEL in harsh radiation environment.MethodsFirst of ...
CHEN Jiawei   +4 more
doaj   +1 more source

Optically pumped GaN vertical cavity surface emitting laser with high index-contrast nanoporous distributed Bragg reflector.

open access: yesOptics Express, 2015
Laser operation of a GaN vertical cavity surface emitting laser (VCSEL) is demonstrated under optical pumping with a nanoporous distributed Bragg reflector (DBR).
Seung-min Lee   +5 more
semanticscholar   +1 more source

VCSEL Technology for Green Optical Interconnects

open access: yesIEEE Photonics Journal, 2012
State-of-the-art vertical-cavity surface-emitting laser (VCSEL) technology will be reviewed in terms of power consumption and reliability to realize the energy-efficient high-performance computing (HPC) and data centers.
A. Kasukawa
doaj   +1 more source

Supermode Analysis and Characterization of Triangular Vertical Cavity Surface Emitting Laser Diode Arrays

open access: yesIEEE Photonics Journal, 2023
We show in simulation and experiment that the coherent coupling of electric fields between elements of a triangular photonic crystal vertical cavity surface emitting laser array can be adjusted into antiguided supermodes with approximately equal ...
Nusrat Jahan, Kent D. Choquette
doaj   +1 more source

Optical tuning of vertical-cavity surface-emitting laser side-pumped neodymium-doped yttrium aluminum garnet laser cavity

open access: yesHigh Power Laser Science and Engineering
High-power 808 nm vertical-cavity surface-emitting laser (VCSEL) chips have unique characteristics for neodymium-doped yttrium aluminum garnet (Nd:YAG) laser pumping compared with conventional edge-emitting laser bars, including a chip surface with high ...
Yang Li   +6 more
doaj   +1 more source

High-Performance Zn-Diffusion 850-nm Vertical-Cavity Surface-Emitting Lasers With Strained InAlGaAs Multiple Quantum Wells

open access: yesIEEE Photonics Journal, 2010
We demonstrate a high-performance Zn-diffusion 850-nm vertical-cavity surface-emitting laser (VCSEL). By the use of strained InAlGaAs/AlGaAs multiple quantum wells for the active region, our structure can have a much higher maximum output power, higher ...
J.-W. Shi   +6 more
doaj   +1 more source

Modeling of ionizing radiation effect on static and dynamic behavior of vertical cavity surface emitting lasers

open access: yesSemiconductor Physics, Quantum Electronics & Optoelectronics, 2017
In this work, the effect of ionizing radiation on static and dynamic behavior of Vertical Cavity Surface Emitting Laser (VCSEL) was investigated numerically.
Sh.M. Eladl, K.A. Sharshar
doaj   +1 more source

Long-wavelength GaInNAs/GaAs Vertical-cavity Surface-emitting Laser for Communication Applications

open access: yesARO-The Scientific Journal of Koya University, 2020
This paper presents a comprehensive study of optical and electrical properties of vertical-cavity surface-emitting lasers(VCSELS) for long wavelength communication applications.
Faten A. Chaqmaqchee
doaj   +1 more source

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