News about laser diodes

Displaying 101-150 of 857 results.

High-Speed InP-Based Long-Wavelength VCSELs

springer.com
Date: Nov 19, 2017
High-Speed InP-Based Long-Wavelength VCSELs

The rapid growth of internet and cloud computing applications drives a huge demand for bandwidth ca…


Impact of Mode-Hopping Noise on InGaN Edge Emitting Laser Relative Intensity Noise Properties

IEEE
Date: Nov 16, 2017
Impact of Mode-Hopping Noise on InGaN Edge Emitting Laser Relative Intensity Noise Properties

In this paper, we report, through a comparative analysis of static and dynamic measurements, on the…


Colorless WRC-FPLDs Subject to Gain-Saturated RSOA Feedback for WDM-PONs

IEEE
Date: Nov 14, 2017
Colorless WRC-FPLDs Subject to Gain-Saturated RSOA Feedback for WDM-PONs

A directly modulated, colorless, weak-resonant-cavity Fabry–Perot laser diode (WRC-FPLD)-based tran…

Application: Others,Telecom,Sensor

Novel Linewidth Narrowing Scheme of DFB Lasers Based on Integrated Mutual Injection Locking

OSA Publishing
Date: Nov 13, 2017
Novel Linewidth Narrowing Scheme of DFB Lasers Based on Integrated Mutual Injection Locking

A novel linewidth narrowing scheme based on mutual injection locking is proposed and experimentally…

Application: Others,Sensor,Telecom

Simulation of Ridge-Waveguide AlGaInP/GaInP Multiple-Quantum Well Diode Lasers

springer.com
Date: Nov 11, 2017
Simulation of Ridge-Waveguide AlGaInP/GaInP Multiple-Quantum Well Diode Lasers

The output characteristics of the ridge-waveguide AlGaInP/GaInP multiple quantum well diode lasers …


Frequency locking of a semiconductor laser by a ring fibre resonator

IOPscience
Date: Nov 10, 2017
Frequency locking of a semiconductor laser by a ring fibre resonator

We propose a model for the oscillation of a single-frequency feedback semiconductor laser based on …

Application: Others,Telecom,Sensor

Chaotic Time-delay Signature Varied by Bias in a Semiconductor Laser with FBG Feedback

OSA Publishing
Date: Nov 10, 2017
Chaotic Time-delay Signature Varied by Bias in a Semiconductor Laser with FBG Feedback

Chaotic time-delay signature (TDS) in a semiconductor laser with feedback from a fiber Bragg gratin…

Application: Others,Security

Linewidth and RIN measurement of a new single mode semiconductor laser

OSA Publishing
Date: Nov 10, 2017
Linewidth and RIN measurement of a new single mode semiconductor laser

In this paper, we present a detailed measurement of the spectral linewidth and RIN of a new single …

Application: Others

Frequency Response of Directly Modulated III-nitride Based Blue Laser Diode at Different Temperature

OSA Publishing
Date: Nov 10, 2017
Frequency Response of Directly Modulated III-nitride Based Blue Laser Diode at Different Temperature

Frequency response of a blue laser diode was measured within a temperature range between 10 to 40 d…

Application: Others,Projector,Telecom

High-depth-resolution range imaging with multiple-wavelength superheterodyne interferometry using 1550-nm lasers

OSA Publishing
Date: Nov 1, 2017
High-depth-resolution range imaging with multiple-wavelength superheterodyne interferometry using 1550-nm lasers

Lasers and laser diodes are widely used as illumination sources for optical imaging techniques. Tim…

Application: Others,Sensor

Laterally coupled distributed feedback type-I quantum well cascade diode lasers emitting near 3.22  μm

OSA Publishing
Date: Nov 1, 2017
Laterally coupled distributed feedback type-I quantum well cascade diode lasers emitting near 3.22  μm

The laterally coupled distributed feedback (LC-DFB) GaSb-based type-I quantum well cascade diode la…

Application: Others,Sensor

Design optimization for 25 Gbit/s DML InGaAlAs/InGaAsP/InP SL-MQW laser diode incorporating temperature effect

ScienceDirect
Date: Nov, 2017
Design optimization for 25 Gbit/s DML InGaAlAs/InGaAsP/InP SL-MQW laser diode incorporating temperature effect

In this paper, a detailed carrier dynamics model for quantum well lasers is used to study the modul…

Application: Others,Telecom

Electrically injected GaAsBi/GaAs single quantum well laser diodes

AIP Publishing
Date: Nov, 2017
Electrically injected GaAsBi/GaAs single quantum well laser diodes

We present electrically injected GaAs/GaAsBi single quantum well laser diodes (LDs) emitting at a r…

Application: Others,Sensor

Technology of the production of laser diodes based on GaAs/InGaAs/AlGaAs structures grown on a Ge/Si substrate

springer.com
Date: Nov, 2017
Technology of the production of laser diodes based on GaAs/InGaAs/AlGaAs structures grown on a Ge/Si substrate

InGaAs/GaAs/AlGaAs laser diodes with quantum wells are grown by the metal-organic chemical vapor de…


Quantum-Dot Mode-Locked Lasers: Sources for Tunable Optical and Electrical Pulse Combs

springer.com
Date: Nov, 2017
Quantum-Dot Mode-Locked Lasers: Sources for Tunable Optical and Electrical Pulse Combs

In this chapter optical and electrical properties of quantum-dot mode-locked semiconductor lasers a…

Application: Others,Telecom,Sensor

Asymmetrical quantum well degradation of InGaN/GaN blue laser diodes characterized by photoluminescence

AIP Publishing
Date: Nov, 2017
Asymmetrical quantum well degradation of InGaN/GaN blue laser diodes characterized by photoluminescence

The temperature, power, and voltage dependent photoluminescence spectra are studied in InGaN/GaN do…

Application: Others,Projector

Optical side-band generation in THz Fabry-Perot laser cavities

AIP Publishing
Date: Nov, 2017
Optical side-band generation in THz Fabry-Perot laser cavities

Optical nonlinearities in semiconductor laser cavities can be exploited to characterize the propert…

Application: Others,Sensor

Active layer position optimization in asymmetric AlGaInAs/AlGaAs semiconductor laser diode structures

ScienceDirect
Date: Nov, 2017
Active layer position optimization in asymmetric AlGaInAs/AlGaAs semiconductor laser diode structures

In semiconductor lasers design, asymmetric structure can be used to improve laser characteristics. …

Application: Others,Telecom,Biology

Strong doping of the n-optical confinement layer for increasing output power of high-power pulsed laser diodes in the eye safe wavelength range

IOPscience
Date: Oct 31, 2017
Strong doping of the n-optical confinement layer for increasing output power of high-power pulsed laser diodes in the eye safe wavelength range

An analytical model for internal optical losses at high power in a 1.5 μm laser diode with strong n…

Application: Others,Processing

Dynamical regimes and intracavity propagation delay in external cavity semiconductor diode lasers

springer.com
Date: Oct 31, 2017
Dynamical regimes and intracavity propagation delay in external cavity semiconductor diode lasers

Intracavity propagation delay, a delay introduced by a semiconductor diode laser, is found to signi…

Application: Others,Security,Telecom

High brightness laser-driven white emitter for Etendue-limited applications

OSA Publishing
Date: Oct 20, 2017
High brightness laser-driven white emitter for Etendue-limited applications

Laser-phosphor lighting has great potential because a laser diode (LD) could keep high efficiency u…

Application: Others,Projector

Stability of period-one (P1) oscillations generated by semiconductor lasers subject to optical injection or optical feedback

OSA Publishing
Date: Oct 16, 2017
Stability of period-one (P1) oscillations generated by semiconductor lasers subject to optical injection or optical feedback

We study the stability of period-one (P1) oscillations experimentally generated by semiconductor la…

Application: Others,Sensor,Telecom

Towards zero-threshold optical gain using charged semiconductor quantum dots

nature.com
Date: Oct 16, 2017
Towards zero-threshold optical gain using charged semiconductor quantum dots

Colloidal semiconductor quantum dots are attractive materials for the realization of solution-proce…

Application: Others,Processing

Effect of metal V-grooved wave guide gap width on high efficient CW-THz TDS systems

IEEE
Date: Oct 16, 2017
Effect of metal V-grooved wave guide gap width on high efficient CW-THz TDS systems

The generation of a wide-range THz wave is investigated from a photoconductive antenna excited usin…

Application: Others,Sensor

Time-delay signature suppression in a chaotic semiconductor laser by fiber random grating induced random distributed feedback

OSA Publishing
Date: Oct 15, 2017
Time-delay signature suppression in a chaotic semiconductor laser by fiber random grating induced random distributed feedback

We demonstrate that a semiconductor laser perturbed by distributed feedback with random time delays…

Application: Others,Telecom,Security

Large Bandwidth, Small Current Density, and Temperature Stable 980-nm VCSELs

IEEE
Date: Oct 13, 2017
Large Bandwidth, Small Current Density, and Temperature Stable 980-nm VCSELs

A low-cost method to adjust the mirror reflectivity of vertical-cavity surface-emitting lasers (VCS…


Absorber Length Optimization of On-Chip Colliding Pulse Mode-Locked Semiconductor Laser

IEEE
Date: Oct 10, 2017
Absorber Length Optimization of On-Chip Colliding Pulse Mode-Locked Semiconductor Laser

We present theoretical and experimental results regarding the saturable absorber length optimizatio…

Application: Others,Telecom,Sensor

Compact High Power Diode Laser MOPA System With 5.5 nm Wavelength Tunability

IEEE
Date: Oct 6, 2017
Compact High Power Diode Laser MOPA System With 5.5 nm Wavelength Tunability

A hybrid master oscillator power amplifier (MOPA) diode laser with 6.2 W output power at 971.8 nm i…

Application: Others,Sensor,DPSS Laser

4-nm continuous rapid sweeping spectroscopy in 2-μm band using distributed Bragg reflector laser

springer.com
Date: Oct 4, 2017
4-nm continuous rapid sweeping spectroscopy in 2-μm band using distributed Bragg reflector laser

We apply a newly developed 2-μm distributed Bragg reflector (DBR) laser to CO2 spectroscopy. We ach…

Application: Others,Sensor

Real-Time Video Transmission Over Different Underwater Wireless Optical Channels Using a Directly Modulated 520  nm Laser Diode

OSA Publishing
Date: Oct 1, 2017
Real-Time Video Transmission Over Different Underwater Wireless Optical Channels Using a Directly Modulated 520  nm Laser Diode

We experimentally demonstrate high-quality real-time video streaming over an underwater wireless op…

Application: Others,Telecom

Frequency noise reduction performance of a feed-forward heterodyne technique: application to an actively mode-locked laser diode

OSA Publishing
Date: Oct 1, 2017
Frequency noise reduction performance of a feed-forward heterodyne technique: application to an actively mode-locked laser diode

We report on the frequency noise reduction performance of a feed-forward technique. The Letter is b…

Application: Others,Sensor

Power scaling of continuous-wave visible Pr3+:YLF laser end-pumped by high power blue laser diodes

OSA Publishing
Date: Oct 1, 2017
Power scaling of continuous-wave visible Pr3+:YLF laser end-pumped by high power blue laser diodes

We demonstrate a power scaling of a continuous-wave Pr3+:YLF laser at 640 and 607 nm utilizing a fi…

Application: Others,DPSS Laser

Role of dynamical injection locking and characteristic pulse events for low frequency fluctuations in semiconductor lasers

AIP Publishing
Date: Oct, 2017
Role of dynamical injection locking and characteristic pulse events for low frequency fluctuations in semiconductor lasers

We investigate the dynamics of semiconductor lasers subject to time-delayed optical feedback from t…

Application: Others,Processing

Photothermally controlled 50 mA gating in VO2-based planar device using NIR laser diode

ScienceDirect
Date: Sep 29, 2017
Photothermally controlled 50 mA gating in VO2-based planar device using NIR laser diode

By utilizing a near infrared laser diode as an excitation light source, we demonstrated a photother…

Application: Others,Sensor

High-power diode laser in the circumvestibular incision for Le Fort I osteotomy in orthognathic surgery: a prospective case series study

springer.com
Date: Sep 26, 2017
High-power diode laser in the circumvestibular incision for Le Fort I osteotomy in orthognathic surgery: a prospective case series study

The incisions during orthognathic surgery are classically performed with conventional scalpel or el…

Application: Biology

Generation of high-peak-power sub-nanosecond 650-nm band optical pulses based on semiconductor laser diodes toward STED application

OSA Publishing
Date: Sep 26, 2017
Generation of high-peak-power sub-nanosecond 650-nm band optical pulses based on semiconductor laser diodes toward STED application

Toward the application in pulsed-mode STimulated Emission Depletion (STED) super- resolution micros…

Application: Others,Sensor,Biology

Optical Generation of Subcarrier Multiplexed (SCM) Millimeter Wave Signal and Its Application in Radio Over Fiber System

springer.com
Date: Sep 23, 2017
Optical Generation of Subcarrier Multiplexed (SCM) Millimeter Wave Signal and Its Application in Radio Over Fiber System

Millimeter-wave radio over fiber is an attractive scheme which is widely used in broadband wireless…

Application: Others,Telecom

Dual-comb Spectroscopy with One Unstabilized Semiconductor Laser

OSA Publishing
Date: Sep 18, 2017
Dual-comb Spectroscopy with One Unstabilized Semiconductor Laser

We present dual-comb spectroscopy on water vapor with a free-running modelocked semiconductor laser…

Application: Sensor,Others

The Effects of Diode Laser Therapy as an Adjunct to Scaling and Root Planing in the Treatment of Aggressive Periodontitis: A 1-Year Randomized Controlled Clinical Trial

Mary Ann Liebert, Inc.
Date: Sep 14, 2017
The Effects of Diode Laser Therapy as an Adjunct to Scaling and Root Planing in the Treatment of Aggressive Periodontitis: A 1-Year Randomized Controlled Clinical Trial

The aim of this study was to investigate and compare the clinical, microbial, and inflammatory effe…

Application: Others,Biology

Photonic microwave time delay using slow- and fast-light effects in optically injected semiconductor lasers

OSA Publishing
Date: Sep 1, 2017
Photonic microwave time delay using slow- and fast-light effects in optically injected semiconductor lasers

This study numerically and experimentally investigates a photonic approach for microwave time delay…

Application: Others,Telecom

Tunable high-power blue external cavity semiconductor laser

ScienceDirect
Date: Sep 1, 2017
Tunable high-power blue external cavity semiconductor laser

A commercially available high-power GaN-based blue laser diode has been operated in a simple Littro…

Application: Others,Sensor

Semiconductor surface emitting lasers for photon pairs generation

AIP Publishing
Date: Sep, 2017
Semiconductor surface emitting lasers for photon pairs generation

We study the feasibility of generating photon pairs in a resonant Vertical-Cavity Surface-Emitting …

Application: Others,Telecom

Artificial absorption creation for more accurate tunable diode laser absorption spectroscopy measurement

ScienceDirect
Date: Sep, 2017
Artificial absorption creation for more accurate tunable diode laser absorption spectroscopy measurement

A novel strategy for more accurate tunable diode laser absorption spectroscopy (TDLAS) measurement …

Application: Others,Sensor

Design of novel geometries for microchannel heat sinks used for cooling diode lasers

ScienceDirect
Date: Sep, 2017
Design of novel geometries for microchannel heat sinks used for cooling diode lasers

High power diode laser bars require thermal management packages with high cooling efficiencies and …

Application: Others,Processing

Self-Mixing Interferometer With a Laser Diode: Unveiling the FM Channel and Its Advantages Respect to the AM Channel

IEEE
Date: Aug 25, 2017
Self-Mixing Interferometer With a Laser Diode: Unveiling the FM Channel and Its Advantages Respect to the AM Channel

In a self-mixing interferometer based on a diode laser, the measurement of the external reflector d…

Application: Others,Sensor

Analysis of thermal characteristics based on a new type diode laser packaging structure

SPIE
Date: Aug 24, 2017
Analysis of thermal characteristics based on a new type diode laser packaging structure

In order to improve the thermal characteristics of single-chip semiconductor lasers and increase th…

Application: Others,Processing,Sensor

Regrowth-free single-mode semiconductor laser suitable for monolithic integration based on pits mirror

SPIE
Date: Aug 22, 2017
Regrowth-free single-mode semiconductor laser suitable for monolithic integration based on pits mirror

A regrowth-free single-mode laser that is made using standard UV photolithography is reported. The …

Application: Others,Sensor,Telecom

Wavemeter improvements for laser diode calibration

SPIE
Date: Aug 22, 2017
Wavemeter improvements for laser diode calibration

This paper shows the progress made in the wavemeter developed to give traceability to the wavelengt…

Application: Others,Sensor

Simultaneous Generation of Multiband Signals Using External Cavity-Based Fabry-Perot Laser Diode

IEEE
Date: Aug 15, 2017
Simultaneous Generation of Multiband Signals Using External Cavity-Based Fabry-Perot Laser Diode

Photonic generation of tunable microwave signal has gained the attention of many research communiti…

Application: Others,Sensor,Telecom

Low-cost photoacoustic NO2 trace gas monitoring at the pptV-level

ScienceDirect
Date: Aug 15, 2017
Low-cost photoacoustic NO2 trace gas monitoring at the pptV-level

We present the development and the characterization of a photoacoustic NO2 trace gas detection syst…

Application: Others,Sensor