News about laser diodes

Displaying 151-200 of 689 results.

Design of 6 kw fiber-coupled system for semiconductor laser

SPIE
Date: Oct 19, 2016

In this paper, we present the design of a 6 kW fiber-coupled laser diode system by using ZEMAX, and…

Application: Others

Design of drive circuit of laser diode

SPIE
Date: Oct 19, 2016

Aiming at the difficult problem of high precision frequency stabilization of semiconductor laser di…

Application: Others

Design of 150W, 105-μm, 0.22NA, fiber coupled laser diode module by ZEMAX

SPIE
Date: Oct 19, 2016

We represent a design of a high brightness, fiber coupled diode laser module based on 16 single emi…


Analysis of reliability of semiconductor emitters with different designs of cavities

springer.com
Date: Oct 19, 2016

We have reported on the results of analysis of the operating time of conventional laser diodes and …

Application: Others

Catastrophic degradation of InGaN/GaN blue laser diodes

IEEE
Date: Oct 18, 2016

A study of catastrophic degradation of InGaN/GaN laser diodes (LDs) is presented. Local damage on t…

Application: Others

Enhanced complexity of optical chaos in a laser diode with phase-conjugate feedback

OSA Publishing
Date: Oct 15, 2016
Enhanced complexity of optical chaos in a laser diode with phase-conjugate feedback

We demonstrate numerically that a semiconductor laser subjected to phase-conjugate feedback (PCF) c…

Application: Others

Phase-Shifting Generated by Wavelength Modulation by Means of Switching On-Off a Laser Diode

springer.com
Date: Oct 14, 2016

It is well known that one of the features of a laser diode is its wavelength tunability which can b…

Application: Others

TO packaged 650nm red semiconductor laser with transparent window

SPIE
Date: Oct 12, 2016
TO packaged 650nm red semiconductor laser with transparent window

Highly uniform solid-phase Zn-diffusion technique was developed to fabricate transparent windows fo…

Application: Others

Bandwidth enhancement and time-delay signature suppression of chaotic signal from an optical feedback semiconductor laser by using cross phase modulation in a highly nonlinear fiber loop mirror

SPIE
Date: Oct 12, 2016
Bandwidth enhancement and time-delay signature suppression of chaotic signal from an optical feedback semiconductor laser by using cross phase modulation in a highly nonlinear fiber loop mirror

Based on a nonlinear fiber loop mirror (NOLM) composed of a fiber coupler (FC) and a highly nonline…

Application: Others

Near-field microscopy of waveguide architectures of InGaN/GaN diode lasers

IOPscience
Date: Oct 11, 2016

Waveguide (WG) architectures of 420 nm emitting InGaN/GaN diode lasers are analyzed by photolumines…

Application: Others

Demodulation method of sensor based on tunable distributed feedback laser diode

SPIE
Date: Oct 7, 2016

A fiber Bragg grating (FBG) wavelength shift demodulation method based on tunable distributed feedb…

Application: Others

Thermally accelerated ageing test of 808nm high power diode laser arrays in CW mode

IEEE
Date: Oct 6, 2016

The reliability is the important performance of high power semiconductor laser. Thermally accelerat…

Application: Others

Highly stable solution processed metal-halide perovskite lasers on nanoimprinted distributed feedback structures

AIP Publishing
Date: Oct 5, 2016
Highly stable solution processed metal-halide perovskite lasers on nanoimprinted distributed feedback structures

We report on the performance and stability of distributed feedback lasers based on the solution-pro…

Application: Others

HCl ppb-level detection based on QEPAS sensor using a low resonance frequency quartz tuning fork

ScienceDirect
Date: Oct 5, 2016

In this report, a sensitive quartz-enhanced photoacoustic spectroscopy (QEPAS) based hydrogen chlor…

Application: Others

Two-color surface-emitting lasers using a semiconductor coupled multilayer cavity

IOPscience
Date: Oct 4, 2016

Two-color surface-emitting lasers were demonstrated, employing a GaAs/AlGaAs coupled multilayer cav…

Application: Others

Comprehensive study of antireflection coatings for mid-infrared lasers

AIP Publishing
Date: Oct 3, 2016
Comprehensive study of antireflection coatings for mid-infrared lasers

A comprehensive study is done for optimizing antireflection coatings at mid-infrared wavelengths ar…

Application: Others

Demonstration of optical rogue waves using a laser diode emitting at 980  nm and a fiber Bragg grating

OSA Publishing
Date: Oct 1, 2016
Demonstration of optical rogue waves using a laser diode emitting at 980  nm and a fiber Bragg grating

Rogue waves are observed for the first time, to the best of our knowledge, in a 980 nm laser diode …


A compact QCW conduction-cooled high power semiconductor laser array

IEEE
Date: Oct, 2016

With the improvement of performance and reliability, high power semiconductor lasers have been wide…

Application: Others

On the gain properties of “thin” elastically strained InGaAs/InGaAlAs quantum wells emitting in the near-infrared spectral region near 1550 nm

springer.com
Date: Oct, 2016

The results of experimental studies of the gain properties of “thin” (3.2 nm thick) elastically str…

Application: Others

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