News about laser diodes

Displaying 1-50 of 745 results.

Advances in Microscale Parity-time-symmetric Lasers

OSA Publishing
Date: Sep 18, 2018
Advances in Microscale Parity-time-symmetric Lasers

Microscale semiconductor lasers are an indispensable part of integrated photonic circuits. In this …

Application: Others,Sensor,Telecom

Tunable Broadband Chaotic Signal Synthesis From a WRC-FPLD Subject to Filtered Feedback

IEEE
Date: Aug 2, 2018
Tunable Broadband Chaotic Signal Synthesis From a WRC-FPLD Subject to Filtered Feedback

The synthesis of wavelength-tunable broadband chaotic signals is experimentally demonstrated by usi…

Application: Others,Telecom,Security

Semiconductor laser using multimode interference principle

ScienceDirect
Date: Jan 1, 2018
Semiconductor laser using multimode interference principle

Multimode interference (MMI) structure is introduced in semiconductor laser used in optical communi…

Application: Others,Telecom

Continuously tunable organic solid-state laser based on the adjustment of effective refractive index

ScienceDirect
Date: Dec 30, 2017
Continuously tunable organic solid-state laser based on the adjustment of effective refractive index

We report a facile way for continuously tuning the lasing wavelength of an organic solid-state lase…

Application: Others,Sensor,Telecom

Multicolor tunable yellow-red emission in Eu/Er:LiNbO3 under ultraviolet and blue excitation

ScienceDirect
Date: Dec, 2017
Multicolor tunable yellow-red emission in Eu/Er:LiNbO3 under ultraviolet and blue excitation

The ability to manipulate the multicolor luminescence will greatly enhance the scope of their appli…

Application: Others,Biology

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

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

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

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

Abnormal Radiative Interband Transitions in High-Al-Content AlGaN Quantum Wells Induced by Polarized Orbitals

American Chemical Society
Date: Aug 14, 2017
Abnormal Radiative Interband Transitions in High-Al-Content AlGaN Quantum Wells Induced by Polarized Orbitals

AlGaN has attracted considerable interest as a wide (direct)-band-gap semiconductor with high therm…

Application: Others,Sensor,Processing

Practical optical gain by an extended Hakki-Paoli method

ScienceDirect
Date: Aug 9, 2017
Practical optical gain by an extended Hakki-Paoli method

The revision of the classic Hakki-Paoli method shows that the a priori knowledge of facet reflectiv…

Application: Others

Phase noise characterization of a QD-based diode laser frequency comb

OSA Publishing
Date: Aug 7, 2017
Phase noise characterization of a QD-based diode laser frequency comb

We measure, simultaneously, the phases of a large set of comb lines from a passively mode locked, I…

Application: Others,Sensor

S-shaped negative differential resistance in III-Nitride blue quantum-well laser diodes grown by plasma-assisted MBE

IEEE
Date: Aug 3, 2017
S-shaped negative differential resistance in III-Nitride blue quantum-well laser diodes grown by plasma-assisted MBE

Group III-Nitride semiconductor quantum heterostructures have revolutionized efficient visible ligh…

Application: Others,Projector

Exploiting the FM-Signal in a Laser-Diode SMI by Means of a Mach–Zehnder Filter

IEEE
Date: Aug 3, 2017
Exploiting the FM-Signal in a Laser-Diode SMI by Means of a Mach–Zehnder Filter

We develop a new method to read the frequency modulation (FM) of a laser diode self-mixing interfer…

Application: Others,Sensor,Biology

Automated measurement system for optoelectronic devices based on National Instruments PXI-platform

IEEE
Date: Aug 3, 2017
Automated measurement system for optoelectronic devices based on National Instruments PXI-platform

The article discusses the automated system for measurement of optical and electrical parameters of …

Application: Others,Sensor

Thermal Management Characterization of Microassemblied High Power Distributed-Feedback Broad Area Lasers Emitting at 975nm

IEEE
Date: Aug 3, 2017
Thermal Management Characterization of Microassemblied High Power Distributed-Feedback Broad Area Lasers Emitting at 975nm

This paper reports on thermal performances characterization of a new high power Distributed Feedbac…

Application: Others,Sensor,Processing

The influence of 1/ f noise on the electrical derivative initial peak of high-power semiconductor laser diodes

SPIE
Date: Aug 1, 2017
The influence of 1/ f noise on the electrical derivative initial peak of high-power semiconductor laser diodes

We report a close connection between the fluctuation characteristics of the electrical derivative (…

Application: Others,Processing

Fundamentals of Semiconductor Lasers

springer.com
Date: Aug 1, 2017
Fundamentals of Semiconductor Lasers

The principles and main characteristics of semiconductor laser are introduced in this chapter. The …

Application: Others

External Cavity Semiconductor Lasers

springer.com
Date: Aug 1, 2017
External Cavity Semiconductor Lasers

The external cavity diode laser (ECDL) uses the LD chip as gain element and external reflectors as …

Application: Others,Sensor

Frequency Sweeping of Semiconductor Lasers

springer.com
Date: Aug 1, 2017
Frequency Sweeping of Semiconductor Lasers

Frequency-swept lasers are used in many important applications, such as the high-precision optical …

Application: Others,Sensor