News about laser diodes

Displaying 201-250 of 661 results.

Injection-locked semiconductor laser-based frequency comb for modulation applications in RF analog photonics

OSA Publishing
Date: Jul 1, 2016
Injection-locked semiconductor laser-based frequency comb for modulation applications in RF analog photonics

A linearized intensity modulator for periodic and pulsed light is proposed and demonstrated. The fr…

Application: Others

Dark-state lasers: mode management using exceptional points

OSA Publishing
Date: Jul 1, 2016
Dark-state lasers: mode management using exceptional points

By exploiting the inherent characteristics of dark-state resonators, we experimentally realize a si…


Spectrum Improvement of a High-Power Broad-Area Laser Diode Based on a Grating Semi-Feedback External Cavity Scheme

springer.com
Date: Jul, 2016

We propose a grating semi-feedback external cavity (GSFEC) scheme for high-power broad-area laser d…

Application: Others

Development of a CW 1140 nm Sodium Polychromatic Laser Guidestar Source

OSA Publishing
Date: Jul, 2016
Development of a CW 1140 nm Sodium Polychromatic Laser Guidestar Source

We discuss the development of an 1140 nm Vertical External Cavity Surface Emitting Laser (VECSEL) f…

Application: Others

Effects of quantum noise on the nonlinear dynamics of a semiconductor laser subject to two spectrally filtered, time-delayed optical feedbacks

ScienceDirect
Date: Jul, 2016

We report on a theoretical and computational investigation of the complex dynamics that arise in a …


High-speed performance of III-nitride 410 nm ridge laser diode on (202̄1̄) plane for visible light communication

IEEE
Date: Jun 30, 2016

The modulation characteristics of high-performance In0.1Ga0.9N/GaN continuous-wave (CW) ridge laser…

Application: Others

Numerical demonstration of the feasibility of the current driven photonic crystal laser diode used for wavelength division multiplexing

IEEE
Date: Jun 30, 2016

Abstract: Summary form only given. To confirm the feasibility of our proposed current driven photo…

Application: Others

Measurement of internal loss, injection efficiency, and gain for continuous-wave semipolar (202̄1̄) III-nitride laser diodes

IEEE
Date: Jun 30, 2016

Summary form only given. We present advances in the performance and characterization of semipolar (…

Application: Others

GaSb lasers grown on Silicon substrate emitting in the telecom wavelength range

IEEE
Date: Jun 30, 2016

Summary form only given. We report the first GaSb-based laser monolithically grown on Silicon subst…

Application: Others

Epitaxial growth on lattice-mismatched substrate for high-performance lasers

IEEE
Date: Jun 30, 2016

Heteroepitaxial, or metamorphic, growth enables us to overcome limitations on the performance of se…

Application: Others

Recent progress in semiconductor excitable lasers for photonic spike processing

OSA Publishing
Date: Jun 30, 2016
Recent progress in semiconductor excitable lasers for photonic spike processing

Recently, there has been tremendous interest in excitable optoelectronic devices and in particular …

Application: Others

Temperature evaluation of dental implant surface irradiated with high-power diode laser

springer.com
Date: Jun 30, 2016

The prevalence of peri-implantitis and the absence of a standard approach for decontamination of th…

Application: Others

Four different diode lasers comparison on soft tissues surgery: a preliminary ex vivo study

J-STAGE
Date: Jun 30, 2016
Four different diode lasers comparison on soft tissues surgery: a preliminary ex vivo study

Objectives: The introduction of diode lasers in dentistry had several advantages, principally consi…

Application: Others

Experimental demonstration of change of dynamical properties of a passively mode-locked semiconductor laser subject to dual optical feedback by dual full delay-range tuning

OSA Publishing
Date: Jun 27, 2016
Experimental demonstration of change of dynamical properties of a passively mode-locked semiconductor laser subject to dual optical feedback by dual full delay-range tuning

In this contribution we experimentally demonstrate the change and improvement of dynamical properti…

Application: Others

Underwater Laser Communication Using an OFDM-modulated 520-nm Laser Diode

IEEE
Date: Jun 20, 2016

In this paper, we propose and experimentally demonstrate an underwater wireless optical communicati…

Application: Others

Narrowing of the emission spectra of high-power laser diodes with a volume Bragg grating recorded in photo-thermo-refractive glass

springer.com
Date: Jun 17, 2016

The spectral characteristics of a high-power semiconductor laser with an external cavity in which l…

Application: Others

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