News about laser diodes

Displaying 151-200 of 661 results.

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

Low threshold continuous-wave lasing of yellow-green InGaN-QD vertical-cavity surface-emitting lasers

OSA Publishing
Date: Jul 11, 2016
Low threshold continuous-wave lasing of yellow-green InGaN-QD vertical-cavity surface-emitting lasers

Low threshold continuous-wave (CW) lasing of current injected InGaN quantum dot (QD) vertical-cavit…

Application: Others

Dynamic spectral characteristics measurement of DFB interband cascade laser under injection current tuning

AIP Publishing
Date: Jul 7, 2016
Dynamic spectral characteristics measurement of DFB interband cascade laser under injection current tuning

The dynamic spectral properties of semiconductor lasers during its tuning are very important for fr…


ZnO/ZnMgO: cubic quantum well laser in UV spectrum

springer.com
Date: Jul 6, 2016
ZnO/ZnMgO: cubic quantum well laser in UV spectrum

A theoretical study of the optical gain and the line-width enhancement factor (α-parameter) in cubi…

Application: Others

Irradiation effect of polarization direction and intensity of semiconductor laser on injured peripheral nerve

IOPscience
Date: Jul 6, 2016

To investigate the irradiation effect of polarization direction and the intensity of a semiconducto…

Application: Others

FPGA-based frequency estimation of a DFB laser using Rb spectroscopy for space missions

IEEE
Date: Jul 6, 2016
FPGA-based frequency estimation of a DFB laser using Rb spectroscopy for space missions

Stable laser light sources are necessary for atom interferometry based experiments on space platfor…

Application: Others,Sensor

Determination of external quantum efficiency in semiconductors using pulsed power-dependent photoluminescence

SPIE
Date: Jul 5, 2016

External quantum efficiency (EQE) is a parameter widely used in various photonic devices. In laser …

Application: Others

Compact atom-interferometer gyroscope based on an expanding ball of atoms

IOPscience
Date: Jul 4, 2016

We present a compact atom interferometer based on 87Rb atoms that can simultaneously measure rotati…

Application: Others

Stabilization of 14xx-nm high power semiconductor laser by single fiber Bragg grating configuration

IEEE
Date: Jul 3, 2016

Output power stabilization of 14xx-nm high power semiconductor laser is achieved by using single fi…

Application: Others

High-resolution low-frequency fluctuation map of a multimode laser diode subject to filtered optical feedback via a fiber Bragg grating

OSA Publishing
Date: Jul 1, 2016
High-resolution low-frequency fluctuation map of a multimode laser diode subject to filtered optical feedback via a fiber Bragg grating

A highly detailed and extended map of low-frequency fluctuations is established for a high-power mu…

Application: Others