News about laser diodes

Displaying 401-450 of 720 results.

Enhanced temperature characteristic of InGaN/GaN laser diodes with uniform multiple quantum wells

IOPscience
Date: Nov 16, 2015

Temperature-dependent electroluminescence (EL) of two high-power blue InGaN/GaN laser diodes (LDs) …

Application: Others

AlGaN-Based Ultraviolet Laser Diodes

springer.com
Date: Nov 13, 2015

The current status of UV lasers and laser diodes (LDs) based on group III-nitrides is reviewed. The…

Application: Others

High brightness laser-diode device emitting 160 watts from a 100  μm/NA  0.22 fiber

OSA Publishing
Date: Nov 10, 2015
High brightness laser-diode device emitting 160 watts from a 100  μm/NA  0.22 fiber

A practical method of achieving a high-brightness and high-power fiber-coupled laser-diode device i…

Application: Others

Material research on the InGaAs-emitting-layer VECSEL grown on GaAs substrate

ScienceDirect
Date: Nov 10, 2015

Wafers of InGaAs-emitting-layer vertical external cavity surface emitting semiconductor laser (VECS…

Application: Others

Interband cascade lasers with long lifetimes

OSA Publishing
Date: Nov 10, 2015
Interband cascade lasers with long lifetimes

Narrow-ridge interband cascade lasers were subjected to accelerated aging. The aging curves were st…

Application: Others

Processing grating structures on surfaces of wide-bandgap semiconductors using femtosecond laser and phase mask

SPIE
Date: Nov 9, 2015

Fabrication of grating structures on surfaces of wide-bandgap semiconductors, namely silicon carbid…

Application: Others

Electrically pumped continuous-wave III–V quantum dot lasers on silicon

Nature Publishing Group
Date: Nov 8, 2015

Reliable, efficient electrically pumped silicon-based lasers would enable full integration of photo…

Application: Others

Structural and NIR to Visible upconversion properties of Er3+-doped LaPO4 phosphors

ScienceDirect
Date: Nov 5, 2015

Various concentrations of Er3+-doped LaPO4 powder phosphors have been synthesized by the convention…

Application: Others

Coupling of a laser diode to a quadric interface lensed monomode elliptic-core step index fiber: efficiency computation with the ABCD matrix

springer.com
Date: Nov 4, 2015

We report what to our knowledge is the first theoretical prediction of the coupling efficiency of a…

Application: Others

Dynamics of carrier recombination in a semiconductor laser structure

springer.com
Date: Nov 4, 2015

Carrier-recombination dynamics is studied by the method of optical orientation at room temperature …

Application: Others

On a semiconductor laser with a p–n tunnel junction with radiation emission through the substrate

springer.com
Date: Nov 4, 2015

A multiwell interband cascade laser with a tunnel junction within a single waveguide and radiation …

Application: Others

Global Tunable Diode Laser Analyzer Market to be Propelled by High Demand for Emission Control

Industry Today
Date: Nov 3, 2015

Growing concern about the hazards of toxic gases in gas fields, oil fields, and mines drives the gl…

Application: Others

Advances in DFB laser diodes improve high power fiber lasers and make them more versatile

Wiley Online Library
Date: Nov 2, 2015
Advances in DFB laser diodes improve high power fiber lasers and make them more versatile

In recent years, high power lasers have become a matter of course. A superior laser source can be d…

Application: Others

Optical pulse generation in a transistor laser via intra-cavity photon-assisted tunneling and excess base carrier redistribution

AIP Publishing
Date: Nov 2, 2015
Optical pulse generation in a transistor laser via intra-cavity photon-assisted tunneling and excess base carrier redistribution

For a direct-gap semiconductor (e.g., a p-n junction), photon-assisted tunneling is known to exhibi…

Application: Others

Phase locking of 2.324 and 2.959 terahertz quantum cascade lasers using a Schottky diode harmonic mixer

OSA Publishing
Date: Nov, 2015
Phase locking of 2.324 and 2.959 terahertz quantum cascade lasers using a Schottky diode harmonic mixer

The 23rd and 31st harmonics of a microwave signal generated in a novel THz balanced Schottky diode …

Application: Others

Compound semiconductor photonic integrated circuits at Sandia National Laboratories

IEEE
Date: Nov, 2015

Monolithic photonic integrated circuits (PICs) have a long history reaching back more than 40 years…

Application: Others

Development of AlGaN-based deep ultraviolet light-emitting diodes and laser diodes

IEEE
Date: Nov, 2015

Recently, our group has demonstrated several methods to improve the performance of deep ultraviolet…

Application: Others

Room-temperature InP distributed feedback laser array directly grown on silicon

Nature Publishing Group
Date: Oct 26, 2015

Fully exploiting the silicon photonics platform for large-volume, cost-sensitive applications requi…

Application: Others

A fiber optic methane sensor based on wavelength adaptive vertical cavity surface emitting laser without thermoelectric cooler

ScienceDirect
Date: Oct 23, 2015

Based on Tunable Diode Laser Absorption Spectroscopy (TDLAS) technique and the feature of Vertical …

Application: Others

Now Also Available with Pulsed Laser Diodes

Laser Components GmbH
Date: Oct 22, 2015
Now Also Available with Pulsed Laser Diodes

LASER COMPONENTS has implemented its pulsed laser diodes in a small, shielded metal housing; operat…

Manufacturer: Laser Components GmbH
Application: Others

BeZnCdSe quantum-well ridge-waveguide laser diodes under low threshold room-temperature continuous-wave operation

AIP Publishing
Date: Oct 20, 2015
BeZnCdSe quantum-well ridge-waveguide laser diodes under low threshold room-temperature continuous-wave operation

Low threshold current ridge-waveguide BeZnCdSe quantum-well laser diodes (LDs) have been developed …

Application: Others

Solvent immersion nanoimprint lithography of fluorescent conjugated polymers

AIP Publishing
Date: Oct 19, 2015
Solvent immersion nanoimprint lithography of fluorescent conjugated polymers

Solvent immersion imprint lithography (SIIL) was used to directly nanostructure conjugated polymer …


Design and realization of beam collimation system for semiconductor laser in atomic magnetometer

SPIE
Date: Oct 15, 2015

Atomic magnetometer which uses alkali atoms as the sensors can realize ultrahigh sensitivity magnet…

Application: Others

Life prediction of 808nm high power semiconductor laser by accelerated life test of constant current stress

SPIE
Date: Oct 15, 2015

High power semiconductor laser is widely used because of its high transformation efficiency, good w…

Application: Others

Design of collimating and rearrangement systems of laser diode array beam

SPIE
Date: Oct 15, 2015

To improve the laser diode output beam quality, micro-cylindrical lens and the step-type lens combi…

Application: Others

Study on frequency control method for DBR laser diode based on FPGA

SPIE
Date: Oct 15, 2015

In recent years, the distributed Bragg reflector (DBR) laser diode (LD) has advantages of its small…

Application: Others

High-power and low-loss room temperature operation of 2.4μm GaInAsSb/AlGaAsSb type-I strained quantum-well laser diodes

SPIE
Date: Oct 15, 2015

High power GaSb based type-I GaInAsSb/AlGaAsSb three quantum wells laser diodes emitting at 2.4 μm …

Application: Others

Fiber coupling design of high power cm-bar laser diodes based on Zemax

SPIE
Date: Oct 15, 2015

In order to further increase the fiber-coupled module output power, eight cm-bar 808 nm laser diode…

Application: Others

A 350-nm-band GaN/AlGaN multiple-quantum-well laser diode on bulk GaN

AIP Publishing
Date: Oct 13, 2015
A 350-nm-band GaN/AlGaN multiple-quantum-well laser diode on bulk GaN

We have demonstrated the pulsed operation of a 350-nm-band ultraviolet laser diode with a vertical …

Application: Others

Effect of Linewidth Enhancement Factor in Semiconductor Laser on Fiber Dispersion Transmission System

springer.com
Date: Oct 13, 2015

The distance of information transmission in fiber system can be affected by Linewidth Enhancement F…

Application: Others

Fundamental transverse mode selection and self-stabilization in large optical cavity diode lasers under high injection current densities

IOPscience
Date: Oct 6, 2015

It is shown that in high-power, large optical cavity laser diodes at high injection currents, the o…

Application: Others

New frontiers in quantum cascade lasers: high performance room temperature terahertz sources

IOPscience
Date: Oct 2, 2015

In the last decade quantum cascade lasers (QCLs) have become the most widely used source of mid-inf…

Application: Others

Compact Handheld Probe for Shifted Excitation Raman Difference Spectroscopy with Implemented Dual-Wavelength Diode Laser at 785 Nanometers

ingentaconnect
Date: Oct 1, 2015
Compact Handheld Probe for Shifted Excitation Raman Difference Spectroscopy with Implemented Dual-Wavelength Diode Laser at 785 Nanometers

A compact handheld probe for shifted-excitation Raman difference spectroscopy (SERDS) with an imple…

Application: Others

Traveling Wave Analysis for a High-Order Grating, Partially Slotted Laser

IEEE
Date: Oct 1, 2015

We analyze the spectral and spatial characteristics of a partially slotted, ridge-waveguide semicon…

Application: Others

Feedback Delay Identification by Time-Dependent Exponent Evaluation for a Chaotic Semiconductor Laser

OSA Publishing
Date: Oct, 2015
Feedback Delay Identification by Time-Dependent Exponent Evaluation for a Chaotic Semiconductor Laser

Feedback delay time of a chaotic laser is experimentally extracted by calculating the time-dependen…

Application: Others

A Novel Method for Extracting the Linewidth Broadening Factor of Semiconductor Diode Lasers

OSA Publishing
Date: Oct, 2015
A Novel Method for Extracting the Linewidth Broadening Factor of Semiconductor Diode Lasers

A novel experimental technique for extracting the linewidth broadening factor of semiconductor lase…

Application: Others

Threshold Analysis in Monolayer Semiconductor Nanolaser by Surface Plasmon Enhancement

OSA Publishing
Date: Oct, 2015
Threshold Analysis in Monolayer Semiconductor Nanolaser by Surface Plasmon Enhancement

We have examined the lasing threshold requirements for optically pumped surface plasmon based nanol…

Application: Others

Panasonic Develops World's First Continuous Wave 4.5 W*1 High-Power Blue-Violet Semiconductor Laser

Panasonic Corporation
Date: Sep 29, 2015
Panasonic Develops World's First Continuous Wave 4.5 W*1 High-Power Blue-Violet Semiconductor Laser

Panasonic Corporation today announced that it has developed a blue-violet semiconductor laser opera…

Application: Others

Pulsed Laser Diodes with a Homogeneous Beam Profile

Laser Components GmbH
Date: Sep 29, 2015
Pulsed Laser Diodes with a Homogeneous Beam Profile

Pulsed laser diodes are becoming more and more efficient and powerful. Thus, they represent a viabl…

Manufacturer: Laser Components GmbH
Application: Others

EMCORE Expands Laser Diode and Photodiode Optical Chip Offerings for 2.5 Gbps to 12.5 Gbps Telecom and Datacom Applications

EMCORE Corporation
Date: Sep 27, 2015
EMCORE Expands Laser Diode and Photodiode Optical Chip Offerings for 2.5 Gbps to 12.5 Gbps Telecom and Datacom Applications

EMCORE Corporation (NASDAQ:EMKR), a leading provider of Indium Phosphide (InP) optical chips, compo…

Application: Others

Mapping of laser diode radiation intensity by atomic-force microscopy

springer.com
Date: Sep 25, 2015

The distribution of the intensity of laser diode radiation has been studied using an original metho…

Application: Others

Sinusoidal frequency modulation on laser diode for frequency stabilization and displacement measuring interferometry

SPIE
Date: Sep 24, 2015

In this paper, we propose the sinusoidal frequency modulation on a laser diode (LD) to achieve both…

Application: Others

Two-dimensional thickness measurement using acousto-optically tuned external cavity laser diode

SPIE
Date: Sep 24, 2015

We propose a swept source optical coherence tomography that uses an original external-cavity laser …

Application: Others

Design of red-emitting external cavity diode laser module for high-slope efficiency and narrow bandwidth

SPIE
Date: Sep 23, 2015
Design of red-emitting external cavity diode laser module for high-slope efficiency and narrow bandwidth

A red-emitting external cavity diode laser (ECDL) module was designed to increase the slope efficie…

Application: Others

Measurement and Analysis of Modulation and Noise in the Output Frequency of Single-Frequency Semiconductor Diode Lasers

springer.com
Date: Sep 18, 2015

Single-frequency laser diodes are examined as sources for fiber-optic interferometric measurements …

Application: Others

Three stage cascade diode lasers generating 500 mW near 3.2 μm

AIP Publishing
Date: Sep 16, 2015
Three stage cascade diode lasers generating 500 mW near 3.2 μm

GaSb-based type-I quantum well 3.1–3.2 μm diode lasers with two- and three-cascade heterostructures…

Application: Others

Semiconductor laser linewidth

springer.com
Date: Sep 16, 2015

The contribution of quantum fluctuations of the electromagnetic-field amplitude and phase and the m…

Application: Others

Integrated optical isolators using magnetic surface plasmon (Presentation Recording)

SPIE
Date: Sep 11, 2015

Optical isolators are one of the essential components to protect semiconductor laser diodes (LDs) f…

Application: Others

Intensity Correlation Analysis on Blue-Violet FemtosecondPulses from a Dispersion-Compensated GaInN Mode-LockedSemiconductor Laser Diode

MDPI
Date: Sep 10, 2015
Intensity Correlation Analysis on Blue-Violet FemtosecondPulses from a Dispersion-Compensated GaInN Mode-LockedSemiconductor Laser Diode

We investigated the spectral and temporal characteristics of blue-violetfemtosecond optical pulses …

Application: Others

BRILAMET research project brought to successful conclusion

Control Engineering Asia
Date: Sep 4, 2015

Using lasers to cut sheet metal is something that has typically been handled in the realm of CO2 an…

Application: Others