News about laser diodes

Displaying 201-250 of 720 results.

Theory of the power characteristics of quantum-well lasers with asymmetric barrier layers: Inclusion of asymmetry in electron- and hole-state filling

springer.com
Date: Oct, 2016

The power characteristics of quantum-well lasers with asymmetric barrier layers, which represent a …

Application: Others

CHAOS CONTROL BY DIRECTLY MODULATED OPTO ELECTRONIC FEEDBACK IN SEMICONDUCTOR LASER

IJITR
Date: Oct, 2016
CHAOS CONTROL BY DIRECTLY MODULATED OPTO ELECTRONIC FEEDBACK IN SEMICONDUCTOR LASER

Nonlinear dynamic behavior of a directly modulated delayed optoelectronic feedback semiconductor la…

Application: Others,Security,Telecom

Photonic Reservoir Computing Based on Laser Dynamics with External Feedback

springer.com
Date: Sep 29, 2016

Reservoir computing is a novel paradigm of neural network, offering advantages in low learning cost…

Application: Others

Low-cost automated system for phase-shifting and phase retrieval based on the tunability of a laser diode

SPIE
Date: Sep 28, 2016

A low-cost and fully automated process for phase-shifting interferometry by continuously changing a…

Application: Others

Analysis of efficiency limitations in high-power InGaN/GaN laser diodes

springer.com
Date: Sep 27, 2016

Twenty years after their first demonstration by Shuji Nakamura, InGaN/GaN lasers still exhibit less…

Application: Others

Frankfurt Laser Company participates in the GLAUrious Project

Frankfurt Laser Company
Date: Sep 27, 2016
Frankfurt Laser Company participates in the GLAUrious Project

The GLAUrious Project, part of the Horizon 2020 Project promoted by the European Union, is funded…

Application: Others

Defence and security applications of quantum cascade lasers

SPIE
Date: Sep 26, 2016

Quantum Cascade Lasers (QCL) have seen tremendous recent application in the realm of Defence and Se…

Application: Others

2.1 μm high-power laser diode beam combining(Conference Presentation)

SPIE
Date: Sep 26, 2016
2.1 μm high-power laser diode beam combining(Conference Presentation)

Laser power and brightness scaling, in “eye safe” atmospheric transmission windows, is driving lase…

Application: Others,Security

High efficient MLD-THz-TDS systems using laser chaos and super focusing with metal V-grooved waveguide

IEEE
Date: Sep 25, 2016
High efficient MLD-THz-TDS systems using laser chaos and super focusing with metal V-grooved waveguide

Generation of a wide-range THz waves from a photoconductive antenna excited using a chaotic oscilla…

Application: Others,Telecom

Time-domain diffuse correlation spectroscopy

OSA Publishing
Date: Sep 20, 2016
Time-domain diffuse correlation spectroscopy

Physiological monitoring of oxygen delivery to the brain has great significance for improving the m…


Method for predicting junction temperature distribution in a high-power laser diode bar

OSA Publishing
Date: Sep 20, 2016
Method for predicting junction temperature distribution in a high-power laser diode bar

A hybrid experimental/numerical method is proposed for predicting the junction temperature distribu…


Differential absorption lidar demands high-power, narrowband DBR sources

Laser Focus World
Date: Sep 19, 2016

Water vapor plays a role in many atmospheric processes and is a primary driver of weather. Atmosphe…

Application: Others

Catastrophic optical damage of high power InGaAs/AlGaAs laser diodes

ScienceDirect
Date: Sep 18, 2016

The defects generated by the catastrophic optical degradation (COD) of high power laser diodes have…

Application: Others

Optical properties of InGaAs/InGaAlAs quantum wells for the 1520–1580 nm spectral range

springer.com
Date: Sep 16, 2016

The optical properties of elastically strained semiconductor heterostructures with InGaAs/InGaAlAs …

Application: Others

Green high-power tunable external-cavity GaN diode laser at 515  nm

OSA Publishing
Date: Sep 15, 2016
Green high-power tunable external-cavity GaN diode laser at 515  nm

A 480 mW green tunable diode laser system is demonstrated for the first time to our knowledge. The …

Application: Others

Synchronization of two GaAs photoconductive semiconductor switches triggered by two laser diodes

OSA Publishing
Date: Sep 15, 2016
Synchronization of two GaAs photoconductive semiconductor switches triggered by two laser diodes

In this Letter, we show the synchronization of two 2-mm-gap gallium arsenide (GaAs) photoconductive…

Application: Others

Hermetic packaging concept for laser diodes on wafer level

IEEE
Date: Sep 13, 2016
Hermetic packaging concept for laser diodes on wafer level

While discrete laser diodes may be evacuated and sealed on single die level using small metal TO pa…

Application: Others,Projector

Molecular beam epitaxial growth of 3µm mid-wave infrared laser using InGaAsSb/AlInAsSb quantum well structure

IEEE
Date: Sep 12, 2016
Molecular beam epitaxial growth of 3µm mid-wave infrared laser using InGaAsSb/AlInAsSb quantum well structure

We report the experimental results of growth and characterization of InGaAsSb/AlInAsSb quantum well…

Application: Others,Sensor,Security

Lasing characteristics of GaInAsP laser diode grown on directly bonded InP/Si substrate

IEEE
Date: Sep 12, 2016
Lasing characteristics of GaInAsP laser diode grown on directly bonded InP/Si substrate

We have successfully obtained lasing characteristics of GaInAsP double-hetero laser diode grown on …

Application: Others,Processing

Alloy-compositional-fluctuation effects on optical gain characteristics in AlGaN and InGaN quantum-well laser diodes

IEEE
Date: Sep 12, 2016
Alloy-compositional-fluctuation effects on optical gain characteristics in AlGaN and InGaN quantum-well laser diodes

Optical gain characteristics have been theoretically calculated in AlGaN and InGaN quantum-well str…

Application: Others,Biology

Hole transport in c-plane InGaN-based green laser diodes

AIP Publishing
Date: Sep 2, 2016
Hole transport in c-plane InGaN-based green laser diodes

Hole transport in c-plane InGaN-based green laser diodes (LDs) has been investigated by both simula…


Recording of holographic gratings for photonic crystal laser diodes using photomodification of GaAs heterostructures

OSA Publishing
Date: Sep 1, 2016
Recording of holographic gratings for photonic crystal laser diodes using photomodification of GaAs heterostructures

Optical recording of the buried volume phase holographic Bragg gratings directly in the active regi…

Application: Others

Enhancement of the static extinction ratio by using a dual-section distributed feedback laser integrated with an electro-absorption modulator

springer.com
Date: Sep, 2016

We report on the enhancement of the static extinction ratio by using a dual-section distributed fee…

Application: Others

Numerical Simulation of an All Optical Flip-Flop Based on a Nonlinear Distributed Bragg Reflector Laser Structure

Scientific Research
Date: Sep, 2016

A new design for an all optical flip flop is introduced. It is based on a nonlinear Distributed Bra…

Application: Others

Pulpal response following photo-biomodulation with a 904-nm diode laser: a double-blind clinical study

springer.com
Date: Aug 23, 2016

The aim of this study was to evaluate pulpal responses in healthy human teeth to photo-biomodulatio…

Application: Others

NIST's Compact Gyroscope May Turn Heads

Photonics Online
Date: Aug 23, 2016
NIST's Compact Gyroscope May Turn Heads

Shrink rays may exist only in science fiction, but similar effects are at work in the real world at…

Application: Others

Above 40 Gb/s Direct Modulation of a Heterogeneously integrated III-V-on-silicon DFB Laser

OSA Publishing
Date: Aug 22, 2016

Short-reach optical communication based on directly-modulated lasers is getting a lot of attention.…

Application: Others

Effect of as-pinted bondline thickness on assembling high power laser diodes by sintering of nanosilver paste

IEEE
Date: Aug 16, 2016

In this paper, we were trying to optimize bondline thickness of sintered nanosilver on assembling h…

Application: Others

Investigation of thermomechanical stress characteristics in high-power 808-nm AlGaAs/GaAs laser diode bars

IEEE
Date: Aug 16, 2016

The thermomechanical stress characteristics in high-power 808-nm AlGaAs/GaAs laser diode bars were …

Application: Others

Pre-stabilization of a distributed feedback diode laser for locking to a high-finesse cavity

IEEE
Date: Aug 11, 2016

An ultra-stable laser based on frequency doubling of a distributed feedback (DFB) semiconductor las…

Application: Others

Remote sensing of atmospheric aerosol and gas using Scheimpflug lidar (SLidar) based on diode lasers

IEEE
Date: Aug 11, 2016
Remote sensing of atmospheric aerosol and gas using Scheimpflug lidar (SLidar) based on diode lasers

Abstract: Recently, a new lidar technique for atmospheric remote sensing based on Scheimpflug prin…

Application: Others

Operating atomic fountain clock using robust DBR laser system

IEEE
Date: Aug 11, 2016
Operating atomic fountain clock using robust DBR laser system

We operate an atomic fountain clock KRISS-F1 using a laser system based on a DBR (Distributed Bragg…

Application: Others,Sensor

Operating atomic fountain clock using robust DBR laser system

IEEE
Date: Aug 11, 2016
Operating atomic fountain clock using robust DBR laser system

We operate an atomic fountain clock KRISS-F1 using a laser system based on a DBR (Distributed Bragg…

Manufacturer: Photodigm Inc.
Application: Others,Sensor

Application of Gaussian beam ray-equivalent model and back-propagation artificial neural network in laser diode fast axis collimator assembly

OSA Publishing
Date: Aug 10, 2016
Application of Gaussian beam ray-equivalent model and back-propagation artificial neural network in laser diode fast axis collimator assembly

The paper presents the development of a tool based on a back-propagation artificial neural network …

Application: Others

Fabrication and spectral characteristics of a laser diode for remote sensing of methane

springer.com
Date: Aug 9, 2016

This paper presents a technological study aimed at producing buried heterostructures for single-mod…

Application: Others

2-μm wavelength tunable distributed Bragg reflector laser

J-STAGE
Date: Aug 8, 2016

We demonstrate a tunable distributed Bragg reflector (DBR) laser diode operating in the 2-μm region…

Application: Others

Dual wavelength slot coupled Fabry-Perot semiconductor laser

IEEE
Date: Aug 8, 2016
Dual wavelength slot coupled Fabry-Perot semiconductor laser

We present the device fabrication and experimental results of a dual wavelength slot coupled semico…

Application: Others

Experimental observation of intermittent chaos in a three-section monolithically integrated semiconductor laser

IEEE
Date: Aug 8, 2016
Experimental observation of intermittent chaos in a three-section monolithically integrated semiconductor laser

We experimentally investigate the dynamics of a three-section monolithically integrated semiconduct…

Application: Others

Physically enhanced secure wavelength division multiplexing chaos communication using multimode semiconductor lasers

springer.com
Date: Aug 6, 2016

A physically enhanced secure wavelength division multiplexing chaos communication scheme in virtue …

Application: Others

The study of temperature effect on the performance characteristics of the InGaN-based vertical cavity surface emitting laser (VCSEL) by solving the rate equations

World Scientific Publishing Co Pte Ltd
Date: Aug 5, 2016

The use of semiconductor lasers is beneficial in long-distance communications. Practical communicat…

Application: Others

Dispersion Relations of Heavily Doped Quantum Wells

Ingenta
Date: Aug 4, 2016
Dispersion Relations of Heavily Doped Quantum Wells

In this paper an attempt is made to study the Dispersion Relations (DRs) of Quantum Wells (QWs) of …

Application: Others

Impurity-free quantum well intermixing for large optical cavity high-power laser diode structures

Ingenta
Date: Aug 1, 2016
 Impurity-free quantum well intermixing for large optical cavity high-power laser diode structures

We report on the correlation of atomic concentration profiles of diffusing species with the blueshi…

Application: Others

Photocurrents at chalcopyrite and pyrite electrodes under leaching conditions

ScienceDirect
Date: Aug, 2016

The use of photocurrents at transition metal sulfide minerals as a diagnostic tool to assess the re…

Application: Others

Effects of continuous wave and fractionated diode laser on human fibroblast cancer and dermal normal cells by zinc phthalocyanine in photodynamic therapy: A comparative study

ScienceDirect
Date: Aug, 2016

In this experimental study, cancer and normal cells behavior during an in vitro photodynamic therap…

Application: Others

Realization of band gap shrinkage to the spectral characteristics of high-luminous-efficiency 658 nm AlGaInP/GaInP multiple quantum well lasers at room temperatures

ScienceDirect
Date: Aug, 2016

The temperature dependent spectral shifts in 658 nm AlGaInP multiple quantum well (MQW) red laser d…

Application: Others

The effects of diode laser on Staphylococcus aureus biofilm and Escherichia coli lipopolysaccharide adherent to titanium oxide surface of dental implants. An in vitro study

springer.com
Date: Jul 30, 2016

Effective decontamination of biofilm and bacterial toxins from the surface of dental implants is a …

Application: Others

Fully photonics-based physical random bit generator

OSA Publishing
Date: Jul 15, 2016
Fully photonics-based physical random bit generator

We propose a fully photonics-based approach for ultrafast physical random bit generation. This appr…

Application: Others

First investigation of the noise and modulation properties of the carrier-envelope offset in a modelocked semiconductor laser

OSA Publishing
Date: Jul 15, 2016
First investigation of the noise and modulation properties of the carrier-envelope offset in a modelocked semiconductor laser

We present the first characterization of the noise properties and modulation response of the carrie…

Application: Others

Energy exchange between modes in a multimode two-color quantum dot laser with optical feedback

OSA Publishing
Date: Jul 15, 2016
Energy exchange between modes in a multimode two-color quantum dot laser with optical feedback

We investigate experimentally and theoretically the multimode dynamics of a two-color quantum dot l…

Application: Others

Magnesium-doped zinc oxide nanorod–nanotube semiconductor/p-silicon heterojunction diodes

springer.com
Date: Jul 12, 2016

Nanostructured zinc oxide material is usable in electronic device applications such as light-emitti…

Application: Others