News about laser diodes

Displaying 301-350 of 745 results.

Bidirectional private key exchange using delay-coupled semiconductor lasers

OSA Publishing
Date: Jun 15, 2016
Bidirectional private key exchange using delay-coupled semiconductor lasers

We experimentally demonstrate a key exchange cryptosystem based on the phenomenon of identical chao…


Thermally insensitive determination of the linewidth broadening factor in nanostructured semiconductor lasers using optical injection locking

Nature Publishing Group
Date: Jun 15, 2016
Thermally insensitive determination of the linewidth broadening factor in nanostructured semiconductor lasers using optical injection locking

In semiconductor lasers, current injection not only provides the optical gain, but also induces var…

Application: Others

Synchronization Regime of Star-Type Laser Network With Heterogeneous Coupling Delays

IEEE
Date: Jun 15, 2016

The synchronization properties and the sensitivity of generalized lag synchronization (GLS) in all-…

Application: Others

On the formation of cleaved mirror facets of GaN-based laser diodes—A comparative study of diamond-tip edge-scribing and laser scribing

AIP Publishing
Date: Jun 14, 2016
On the formation of cleaved mirror facets of GaN-based laser diodes—A comparative study of diamond-tip edge-scribing and laser scribing

The formation of cleaved mirror facets of GaN-based laser diodes on c-plane GaN substrates is inves…

Application: Others

Al-Free Active Region DFB Laser Diodes operating at 894nm for compact Cesium Atomic Clocks

OSA Publishing
Date: Jun 10, 2016
Al-Free Active Region DFB Laser Diodes operating at 894nm for compact Cesium Atomic Clocks

Single frequency and low linewidth (<1MHz) Al-free active region diode laser at 894nm, design-co…

Application: Others

White Light Generation in a Diode-Pumped PPKTP Waveguide

OSA Publishing
Date: Jun 10, 2016
White Light Generation in a Diode-Pumped PPKTP Waveguide

We demonstrate a compact, all-room-temperature CW white-light laser source based on nonlinear frequ…

Application: Others

Compact mode-locked diode laser system for precision frequency comparisons in microgravity experiment

OSA Publishing
Date: Jun 10, 2016
Compact mode-locked diode laser system for precision frequency comparisons in microgravity experiment

We present a compact mode-locked diode laser designed to generate a frequency comb in the wavelengt…

Application: Others

10-times Frequency Noise Reduction of a Tuneable Semiconductor Laser via an Incoherent Optical-Feedback

OSA Publishing
Date: Jun 10, 2016
10-times Frequency Noise Reduction of a Tuneable Semiconductor Laser via an Incoherent Optical-Feedback

An order-of-magnitude frequency noise reduction of a low cost tuneable semiconductor laser is prese…

Application: Others

Narrow Linewidth External Cavity Diode Laser Using UV-written Gratings in an Integrated Optical Fiber Platform

OSA Publishing
Date: Jun 10, 2016
Narrow Linewidth External Cavity Diode Laser Using UV-written Gratings in an Integrated Optical Fiber Platform

An ECDL is demonstrated using a Bragg grating written into an integrated optical fiber (IOF) platfo…

Application: Others

High power surface-grating stabilized narrow-stripe broad area lasers with beam parameter product < 2 mm×mrad

OSA Publishing
Date: Jun 10, 2016
High power surface-grating stabilized narrow-stripe broad area lasers with beam parameter product < 2 mm×mrad

Narrow-stripe (30 µm aperture) broad area lasers with monolithically integrated DFB-surface-grating…

Application: Others

GREEN IS THE NEW RED FOR LASER DIODE COLLIMATORS

the Optoelectronics Company Ltd
Date: Jun 6, 2016
GREEN IS THE NEW RED FOR LASER DIODE COLLIMATORS

The Optoelectronics Company, global expert in the design and manufacture of laser diode collimator…

Application: Others

Single-frequency 571nm VECSEL for photo-ionization of magnesium

SPIE
Date: Jun 3, 2016

We report the development of an intracavity-frequency-doubled vertical external-cavity surface-emit…


Semiconductor laser self-mixing micro-vibration measuring technology based on Hilbert transform

ScienceDirect
Date: Jun 1, 2016

A signal-processing synthesizing Wavelet transform and Hilbert transform is employed to measurement…

Application: Others

Polarization switching and injection locking in vertical-cavity surface-emitting lasers subject to parallel optical injection

OSA Publishing
Date: Jun 1, 2016
Polarization switching and injection locking in vertical-cavity surface-emitting lasers subject to parallel optical injection

Polarization switching in a long-wavelength vertical-cavity surface-emitting laser (VCSEL) under pa…

Application: Others

LTCC - packaging of a laser optical system for harsh environments

IEEE
Date: May 30, 2016

The ceramic multilayer technology “Low Temperature Cofired Ceramics” (LTCC) provides, thanks to its…

Application: Others

Noise induced stabilization of chaotic free-running laser diode

AIP Publishing
Date: May 24, 2016
Noise induced stabilization of chaotic free-running laser diode

In this paper, we investigate theoretically the stabilization of a free-running vertical-cavity sur…

Application: Others

Highly sensitive detection of methane based on tunable diode laser absorption spectrum

IEEE
Date: May 23, 2016

Traditional methane detection techniques in power transformer oil have the problems of cross sensit…

Application: Others

Post-processing-free 400 Gb/s true random number generation using optical heterodyne chaos

IEEE
Date: May 21, 2016

True or physical random number generation (RNG) is vital to supply keys for information security. C…

Application: Others

Room-temperature operation of GaInAsP lasers epitaxially grown on wafer-bonded InP/Si substrate

IOPscience
Date: May 19, 2016
Room-temperature operation of GaInAsP lasers epitaxially grown on wafer-bonded InP/Si substrate

An epitaxially grown GaInAsP/InP double-hetero laser diode (LD) has been demonstrated on a wafer-bo…

Application: Others

Stimulated emission at 272 nm from an AlxGa1−xN-based multiple-quantum-well laser with two-step etched facets

Royal Society of Chemistry
Date: May 18, 2016

We developed a two-step facet etching method combining inductively coupled plasma etching and KOH-b…

Application: Others

Comparative study of the differential resistance of GaAs- and GaN-based laser diodes

AIP Publishing
Date: May 16, 2016
Comparative study of the differential resistance of GaAs- and GaN-based laser diodes

The differential resistance curves of GaAs- and GaN-based laser diodes(LDs) are experimentally and …

Application: Others

THz lasers based on narrow-gap semiconductors

IEEE
Date: May 9, 2016

We report recent results on THz lasing in PbSnSe and HgCdTe. The wavelength of 46.3 microns was ach…

Application: Others

Transient surface modifications during singular heating events at diode laser facets

Ingenta
Date: May 5, 2016
Transient surface modifications during singular heating events at diode laser facets

Surface morphology changes and transient reflectance changes at diode laser facets are monitored du…

Application: Others

Low-cost compact diffuse speckle contrast flowmeter using small laser diode and bare charge-coupled-device

SPIE
Date: May 2, 2016

We report a low-cost compact diffuse speckle contrast flowmeter (DSCF) consisting of a small laser …

Application: Others

Spectral changes due to carrier induced band gap shrinkage for 675 nm AlGaInP multiple quantum well (MQW) laser diodes at room temperatures

ScienceDirect
Date: May, 2016

Spectral changes due to carrier induced band gap shrinkage for 675 nm AlGaInP multiple quantum well…

Application: Others

Laser diode Doppler velocimeter with 3-beams and self-mixing effect enabling 3-diminsional velocity measurement

SPIE
Date: Apr 29, 2016

Laser Doppler Velocimeter (LDV) with a laser diode and Self-mixing effect is a new type of downsize…

Application: Others

Sparse signal reconstruction based on experimental chaos generated by a laser diode

SPIE
Date: Apr 28, 2016

We demonstrate experimentally that optical chaos generated by a laser diode with optical feedback i…

Application: Others

Phase noise reduction in semiconductor lasers by optical negative feedback

SPIE
Date: Apr 28, 2016

Phase noise of a single mode semiconductor laser is reduced drastically by introducing a newly prop…

Application: Others

Perovskite photonic sources

Nature Publishing Group
Date: Apr 28, 2016

The field of solution-processed semiconductors has made great strides; however, it has yet to enabl…

Application: Others

Improving the chaos bandwidth of a semiconductor laser with phase-conjugate feedback

SPIE
Date: Apr 28, 2016

Common applications using optical chaos in a semiconductor laser include, among others, random numb…

Application: Others

Vertical-cavity surface emitting laser-diodes arrays expanding the range of high-power laser systems and applications

AIP Publishing
Date: Apr 28, 2016
Vertical-cavity surface emitting laser-diodes arrays expanding the range of high-power laser systems and applications

Thermal treatment may be by far the most frequent process used in manufacturing, but only at a few …

Application: Others

Analysis of the effects of periodic forcing in the spike rate and spike correlation's in semiconductor lasers with optical feedback

SPIE
Date: Apr 28, 2016

We study the dynamics of semiconductor lasers with optical feedback and direct current modulation, …

Application: Others

Low-linewidth and tunable single frequency 1x2 multimode-interferometer-Fabry-Perot laser diode

SPIE
Date: Apr 28, 2016

In this paper, we present a novel 1x2 multi-mode-interferometer-Fabry-Perot (MMI-FP) laser diode, w…

Application: Others

Low-frequency fluctuations in an external-cavity laser leading to extreme events

American Physical Society
Date: Apr 22, 2016

We experimentally investigate the dynamical regimes of a laser diode subject to external optical fe…

Application: Others

Chip scale broadly tunable laser for laser spectrometer

SPIE
Date: Apr 20, 2016

We are developing an innovative Tunable Laser Spectrometer (TLS) that is compact, broad tuning rang…

Application: Others

Application of Tunable Diode Laser Spectroscopy for the Assessment of Food Quality

SAGE Journals
Date: Apr 16, 2016
Application of Tunable Diode Laser Spectroscopy for the Assessment of Food Quality

Adequate food packaging is important to ensure food quality and prolong the shelf life of food. Fre…

Application: Others

Low absorption loss p-AlGaN superlattice cladding layer for current-injection deep ultraviolet laser diodes

AIP Publishing
Date: Apr 15, 2016
Low absorption loss p-AlGaN superlattice cladding layer for current-injection deep ultraviolet laser diodes

Current injection into AlGaN-based laser diode structures with high aluminum mole fractions for dee…

Application: Others

Novel types of photonic band crystal high power and high brightness semiconductor lasers

springer.com
Date: Apr 9, 2016

A novel type of high power edge-emitting semiconductor laser (SL) with extended vertical photonic b…

Application: Others

2 nm continuously tunable 488nm micro-integrated diode-laser-based SHG light source for Raman spectroscopy

SPIE
Date: Apr 6, 2016

Raman spectroscopy in the visible spectral range is of great interest due to resonant Raman effects…

Application: Others

Over 1 W record-peak-power operation of a 338 nm AlGaN multiple-quantum-well laser diode on a GaN substrate

IOPscience
Date: Apr 5, 2016

We have demonstrated the high-peak-power operation of an AlGaN-based ultraviolet laser diode (UV-LD…


Nonlinear dynamics in a semiconductor laser subject to filtered phase-conjugate optical feedback

SPIE
Date: Apr 3, 2016

We study both analytically and numerically the rate equations of a laser diode subject to a filtere…

Application: Others

Modeling and Simulations of Edge-Emitting Broad-Area Semiconductor Lasers and Amplifiers

springer.com
Date: Apr 2, 2016

A (2+1)-dimensional partial differential equation model describing spatial-lateral dynamics of edge…

Application: Others

Development of III-Sb metamorphic DBR membranes on InP for vertical cavity laser applications

ScienceDirect
Date: Apr 1, 2016

Sb-based metamorphic DBR membranes are developed for InP-based vertical cavity laser applications. …

Application: Others

Optically pumped 1.3  μm room-temperature InAs quantum-dot micro-disk lasers directly grown on (001) silicon

OSA Publishing
Date: Apr 1, 2016
Optically pumped 1.3  μm room-temperature InAs quantum-dot micro-disk lasers directly grown on (001) silicon

Direct integration of high-performance laser diodes on silicon will dramatically transform the worl…

Application: Others

Output characteristics of a semiconductor laser diode with two circular ring resonators

IOPscience
Date: Mar 29, 2016

Here, we present the output characteristics of a semiconductor laser diode with two circular ring r…

Application: Others

Output characteristics of a semiconductor laser diode with two circular ring resonators

IOPscience
Date: Mar 29, 2016

Here, we present the output characteristics of a semiconductor laser diode with two circular ring r…

Application: Others

Characteristics of highly stacked InAs quantum-dot laser grown on vicinal (001)InP substrate

IOPscience
Date: Mar 24, 2016

We fabricate broad-area laser diodes consisting of 30-layer stacks of InAs quantum dots by using a …

Application: Others

Heterogeneous quantum dot/silicon photonics-based wavelength-tunable laser diode with a 44 nm wavelength-tuning range

IOPscience
Date: Mar 23, 2016

A heterogeneous wavelength-tunable laser diode combining quantum dot and silicon photonics technolo…

Application: Others

Tuning range and output power optimization of an external-cavity GaN diode laser at 455  nm

OSA Publishing
Date: Mar 20, 2016
Tuning range and output power optimization of an external-cavity GaN diode laser at 455  nm

In this paper we discuss how different feedback gratings affect the tuning range and the output pow…

Application: Others

Investigation of yellow/green II-VI compound semiconductor laser diode structures on InP substrates

Wiley Online Library
Date: Mar 16, 2016
Investigation of yellow/green II-VI compound semiconductor laser diode structures on InP substrates

II-VI-compound-semiconductor laser diode (LD) structures on InP substrates were investigated using …

Application: Others