News about laser diodes

Displaying 51-100 of 689 results.

Effect of Bias Current on Complexity and Time Delay Signature of Chaos in Semiconductor Laser with Time-Delayed Optical Feedback

IEEE
Date: Mar 29, 2017
Effect of Bias Current on Complexity and Time Delay Signature of Chaos in Semiconductor Laser with Time-Delayed Optical Feedback

The effect of bias current on the complexity and time-delay signature of chaotic signals in semicon…

Application: Others,Telecom,Security

Intensity noise limit in a phase-sensitive optical time-domain reflectometer with a semiconductor laser source

IOPscience
Date: Mar 28, 2017
Intensity noise limit in a phase-sensitive optical time-domain reflectometer with a semiconductor laser source

In the present paper we perform, for the first time, the analysis of the average intensity noise po…

Application: Others,Sensor

Design and Realization of a Miniaturized DFB Diode Laser-Based SHG Light Source With a 2-nm Tunable Emission at 488 nm

IEEE
Date: Mar 28, 2017
Design and Realization of a Miniaturized DFB Diode Laser-Based SHG Light Source With a 2-nm Tunable Emission at 488 nm

We present a concept and the realization of a diode laser-based second harmonic generation (SHG) li…

Application: Others,Sensor

Electrical and carrier transport properties of the Au/Y2O3/n-GaN metal-insulator-semiconductor (MIS) diode with rare-earth oxide interlayer

springer.com
Date: Mar 27, 2017
Electrical and carrier transport properties of the Au/Y2O3/n-GaN metal-insulator-semiconductor (MIS) diode with rare-earth oxide interlayer

The electrical and transport properties of rare-earth Y2O3 on n-type GaN with Au electrode have bee…

Application: Others

Numerical Study of Transient Oscillation in Gain-Switched InGaN-Based Laser Diodes

IEEE
Date: Mar 27, 2017
Numerical Study of Transient Oscillation in Gain-Switched InGaN-Based Laser Diodes

The pulse working of gain-switched laser diodes (LDs) provides more power than continuous-wave (CW)…


Yellow laser emission at 578 nm by frequency doubling with diode lasers of high radiance at 1156 nm

springer.com
Date: Mar 25, 2017
Yellow laser emission at 578 nm by frequency doubling with diode lasers of high radiance at 1156 nm

For the first time, we demonstrate diode lasers consisting of a single quantum-well, which emit at …

Application: Others,Projector

Electro-optical characteristics of 808 nm ridge-waveguide lasers operated with high-current nanosecond pulses

IOPscience
Date: Mar 24, 2017
Electro-optical characteristics of 808 nm ridge-waveguide lasers operated with high-current nanosecond pulses

The aim of this paper is to present detailed experimental and theoretical investigations of the beh…

Application: Others

Cascade Pumping of 1.9 - 3.3 µm Type-I Quantum Well GaSb-based Diode Lasers

IEEE
Date: Mar 24, 2017
Cascade Pumping of 1.9 - 3.3 µm Type-I Quantum Well GaSb-based Diode Lasers

Cascade pumping of type-I quantum well gain sections was utilized to increase output power and effi…

Application: Others,Sensor

Cost-effective optoacoustic system based on the combination of high-power diode lasers

SPIE
Date: Mar 22, 2017
Cost-effective optoacoustic system based on the combination of high-power diode lasers

One of the main issues of the advances in optoacoustic (OA) applications is to reduce the high cost…

Application: Others,DPSS Laser

Biostimulation with diode laser positively regulates cementoblast functions, in vitro

springer.com
Date: Mar 22, 2017
Biostimulation with diode laser positively regulates cementoblast functions, in vitro

The aim of this study was to evaluate the effects of diode laser biostimulation on cementoblasts (O…

Application: Others,Biology

LETTER SESAM combined Kerr lens mode locked Yb:CALGO laser pumped by a 1.2 W single mode fiber coupled laser diode

IOPscience
Date: Mar 22, 2017
LETTER SESAM combined Kerr lens mode locked Yb:CALGO laser pumped by a 1.2 W single mode fiber coupled laser diode

In this letter, we present a passively mode locked Yb:CALGO oscillator pumped by a 1.2 W single mod…

Application: Others,DPSS Laser

Silicon Photonic Wavelength Tunable Lasers for High-Capacity Optical Communication System

OSA Publishing
Date: Mar 19, 2017
Silicon Photonic Wavelength Tunable Lasers for High-Capacity Optical Communication System

Silicon photonic wavelength-tunable laser diodes consist of a wavelength-tunable filter with silico…

Application: Others,Telecom

56 Gb/s Electro-Absorption Modulation of a Heterogeneously Integrated InP-on-Si DFB Laser Diode

OSA Publishing
Date: Mar 19, 2017
56 Gb/s Electro-Absorption Modulation of a Heterogeneously Integrated InP-on-Si DFB Laser Diode

Electro-absorption modulation of a heterogeneously integrated InP/Si DFB laser is demonstrated by r…

Application: Others,Telecom

Dual-pumped nondegenerate four-wave mixing in semiconductor laser with a built-in external cavity

IOPscience
Date: Mar 17, 2017
Dual-pumped nondegenerate four-wave mixing in semiconductor laser with a built-in external cavity

In this paper, a semiconductor laser system consisting of a conventional multimode Fabry–Pérot lase…


Performance of Widely Tunable Multi-Quantum-Well and Bulk Laser Diodes and the Main Limiting Factors

IEEE
Date: Mar 15, 2017
Performance of Widely Tunable Multi-Quantum-Well and Bulk Laser Diodes and the Main Limiting Factors

The output power and tuning performance of multi-quantum-well (MQW) and bulk InGaAsP/InP-distribute…

Application: Others

Novel VECSEL for short-wave infrared Raman spectroscopy applications

Wiley Online Library
Date: Mar 7, 2017
Novel VECSEL for short-wave infrared Raman spectroscopy applications

Raman spectroscopy of pigmented samples can be problematic owing to strong laser-induced auto-fluor…

Application: Others,Biology,Sensor

Research on atmospheric CO2 remote sensing with open-path tunable diode laser absorption spectroscopy and comparison methods

SPIE
Date: Mar 7, 2017
Research on atmospheric CO2 remote sensing with open-path tunable diode laser absorption spectroscopy and comparison methods

An open-path atmospheric CO2CO2 measurement system was built based on tunable diode laser absorptio…

Application: Others,Sensor

Optical Gain in Type-II InAsN/GaSb Strained Quantum Wells Laser Diodes and Its Pressure Dependence

IEEE
Date: Mar 6, 2017
Optical Gain in Type-II InAsN/GaSb Strained Quantum Wells Laser Diodes and Its Pressure Dependence

In this work, we have reported theoretical analysis of the optical gain and its pressure dependence…

Application: Others,Sensor,Biology

Optoacoustic system based on 808-nm high energy short pulse diode laser stacks

SPIE
Date: Mar 3, 2017
Optoacoustic system based on 808-nm high energy short pulse diode laser stacks

In the last few decades, high power diode lasers (HPDL) have been introduced as alternative laser s…

Application: Others,Biology

Spiking generation in semiconductor laser by optoelectronic feedback

IEEE
Date: Mar 2, 2017
Spiking generation in semiconductor laser by optoelectronic feedback

The Chaos in single-mode semiconductor lasers is generated by means of an optoelectronic feedback. …

Application: Others,Security,Telecom

Optical complexity in external cavity semiconductor laser

ScienceDirect
Date: Mar, 2017
Optical complexity in external cavity semiconductor laser

In this article, the window based complexity and output modulation of a time delayed chaotic semico…

Application: Others,Security,Telecom

Fiber random grating feedback induced chaos in semiconductor laser with highly suppressed time-delay signature

OSA Publishing
Date: Mar, 2017
Fiber random grating feedback induced chaos in semiconductor laser with highly suppressed time-delay signature

A semiconductor laser with distributed feedbacks from a novel fiber random grating is perturbed to …

Application: Others,Security

Optical humidity detection based on tunable diode laser absorption spectroscopy

SPIE
Date: Feb 28, 2017
Optical humidity detection based on tunable diode laser absorption spectroscopy

Humidity is an important environmental parameter, which is difficult to be measured accurately and …

Application: Others,Sensor

Demonstration of nitride-based lasers excited by electron beam (Conference Presentation)

SPIE
Date: Feb 24, 2017
Demonstration of nitride-based lasers excited by electron beam (Conference Presentation)

The UV semiconductor-based laser sources are important for a variety of fields, including medical, …


1.9 W yellow, CW, high-brightness light from a high efficiency semiconductor laser-based system

SPIE
Date: Feb 20, 2017
1.9 W yellow, CW, high-brightness light from a high efficiency semiconductor laser-based system

Semiconductor lasers are ideal sources for efficient electrical-to-optical power conversion and for…

Manufacturer: JENOPTIK Laser GmbH
Application: Others,Biology

Picosecond pulsed micro-module emitting near 560 nm using a frequency doubled gain-switched DBR ridge waveguide semiconductor laser

SPIE
Date: Feb 20, 2017
Picosecond pulsed micro-module emitting near 560 nm using a frequency doubled gain-switched DBR ridge waveguide semiconductor laser

A miniaturized picosecond pulsed semiconductor laser source in the spectral range around 560nm is r…

Manufacturer: PicoQuant GmbH
Application: Others,Sensor,DPSS Laser

Pulse train stability of passively mode-locked semiconductor lasers

SPIE
Date: Feb 20, 2017
Pulse train stability of passively mode-locked semiconductor lasers

Here, we review recent progress that contributes to the applicability of passively mode-locked semi…

Application: Others,Sensor

Analysis of waveguide architectures of InGaN/GaN diode lasers by nearfield optical microscopy

SPIE
Date: Feb 20, 2017
Analysis of waveguide architectures of InGaN/GaN diode lasers by nearfield optical microscopy

Waveguide (WG) architectures of 420-nm emitting InAlGaN/GaN diode lasers are analyzed by photolumin…

Application: Others,Processing

Power degradation and reliability study of high-power laser bars at quasi-QCW operation

SPIE
Date: Feb 20, 2017
Power degradation and reliability study of high-power laser bars at quasi-QCW operation

The solid state laser relies on the laser diode (LD) pumping array. Typically for high peak power q…

Application: Others,DPSS Laser

High power and high efficiency 1.8-kW pulsed diode laser bar

SPIE
Date: Feb 20, 2017
High power and high efficiency 1.8-kW pulsed diode laser bar

There is a great interest in the development of high-power, high-efficiency, and low-cost quasicont…

Manufacturer: nLIGHT Corporation
Application: Others,DPSS Laser

633-nm single-mode laser diode module with PM fiber output

SPIE
Date: Feb 16, 2017
633-nm single-mode laser diode module with PM fiber output

Several holographic and interferometric applications would benefit significantly from a diode laser…

Manufacturer: TOPTICA Photonics AG
Application: Others,Sensor

REGULAR PAPERS High-temperature operation of 640 nm wavelength high-power laser diode arrays

IOPscience
Date: Feb 16, 2017
REGULAR PAPERS High-temperature operation of 640 nm wavelength high-power laser diode arrays

We realized the fabrication of a red semiconductor laser array with high optical power and reliabil…

Application: Others,Projector

Lensless digital holographic microscope using in-line configuration and laser diode illumination

SPIE
Date: Feb 15, 2017
Lensless digital holographic microscope using in-line configuration and laser diode illumination

In this paper we present a lensless transmission digital holographic microscope for the investigati…

Application: Others,Sensor

New 4CM: High Power and Small Form Factor

SEMINEX CORPORATION
Date: Feb 14, 2017
New 4CM: High Power and Small Form Factor

SemiNex Corporation now offers the 4CM, a multi-chip fibercoupled laser module with up to 14 Watts…

Manufacturer: Seminex Corp.
Application: Others,Biology,Sensor

Linking transducer transfer function with multi-pulse excitation photoacoustic response

SPIE
Date: Feb 11, 2017
Linking transducer transfer function with multi-pulse excitation photoacoustic response

It has been shown recently, that varying the excitation sequence could deliver additional benefits …

Application: Others,Biology

Terahertz transmission properties of silicon wafers using continuous-wave terahertz spectroscopy

IOPscience
Date: Feb 6, 2017
Terahertz transmission properties of silicon wafers using continuous-wave terahertz spectroscopy

We present the spectral properties of Si wafers using continuous-wave terahertz (CW-THz) spectrosco…

Application: Others,Sensor

Ultra-Fast Semiconductor Laser Sources

springer.com
Date: Feb 1, 2017
Ultra-Fast Semiconductor Laser Sources

The chapter focuses on ultra-fast light sources for achieving small footprint and lower-power-consu…

Application: Others,Telecom

Suppression of optical field leakage to GaN substrate in GaN-based green laser diode

ScienceDirect
Date: Feb, 2017
Suppression of optical field leakage to GaN substrate in GaN-based green laser diode

In this study, n-InGaN and u-InGaN are proposed to be the lower waveguide (LWG) and quantum barrier…

Application: Others,Projector

A compact diode laser based all-fiber delivery system for PDT+PTT with integrated temperature sensing capabilities

SPIE
Date: Jan 28, 2017
A compact diode laser based all-fiber delivery system for PDT+PTT with integrated temperature sensing capabilities

The paper first reviews the main laser based cancer therapies and then presents a new 9xx nm high p…

Application: Others,Biology

Monolithic dual-wavelength diode lasers with sub-MHz narrowband emission at 785 nm

SPIE
Date: Jan 28, 2017
Monolithic dual-wavelength diode lasers with sub-MHz narrowband emission at 785 nm

A dual-wavelength diode laser with sub-MHz narrowband emission at 785 nm is presented. The device i…

Manufacturer: TOPTICA Photonics AG
Application: Others,Sensor

Ultimate high power operation of 9xx-nm single emitter broad stripe laser diodes

SPIE
Date: Jan 28, 2017
Ultimate high power operation of 9xx-nm single emitter broad stripe laser diodes

Design optimization of single emitter broad stripe 9xx-nm laser diodes was studied to achieve ultim…


Advances in semipolar InGaN laser diodes (Conference Presentation)

SPIE
Date: Jan 28, 2017
Advances in semipolar InGaN laser diodes (Conference Presentation)

We present state-of-the-art performance from laser based light sources based on semipolar GaN. Rece…

Application: Projector,Sensor

Evaluation of nanoindentation and nanoscratch characteristics of GaN/InGaN epilayers

ScienceDirect
Date: Jan 23, 2017
Evaluation of nanoindentation and nanoscratch characteristics of GaN/InGaN epilayers

The potential use of thin films in many engineering applications has prompted the mechanical charac…

Application: Others

PAPER (In,Ga,Al)P–GaP laser diodes grown on high-index GaAs surfaces emitting in the green, yellow and bright red spectral range

IOPscience
Date: Jan 20, 2017
PAPER (In,Ga,Al)P–GaP laser diodes grown on high-index GaAs surfaces emitting in the green, yellow and bright red spectral range

We report on low threshold current density (<400 A cm−2) injection lasing in (Al x Ga1–x )0.5In0…

Application: Others

Laser diode structures with a saturable absorber for high-energy picosecond optical pulse generation by combined gain-and Q-switching

IOPscience
Date: Jan 19, 2017
Laser diode structures with a saturable absorber for high-energy picosecond optical pulse generation by combined gain-and Q-switching

The performance of gain-switched Fabry–Perot asymmetric-waveguide semiconductor lasers with a large…

Application: Others,Processing

Demonstration of calibration-free WMS measurement of gas parameters with in-situ real-time characterization of laser parameters using cw-DFB-QCL, VCSEL and DFB lasers

The University of Strathclyde
Date: Jan 17, 2017
Demonstration of calibration-free WMS measurement of gas parameters with in-situ real-time characterization of laser parameters using cw-DFB-QCL, VCSEL and DFB lasers

This paper presents a detailed experimental and theoretical study of a new calibration-free nth har…

Application: Others,Sensor

Coherent and Tunable THz Emission Driven by an Integrated III–V Semiconductor Laser

IEEE
Date: Jan 16, 2017
Coherent and Tunable THz Emission Driven by an Integrated III–V Semiconductor Laser

We demonstrate coherent and tunable THz emission by excitation of a unitraveling-carrier photodiode…

Application: Others,Biology,Telecom

High-order external cavity modes and restabilization of a laser diode subject to a phase-conjugate feedback

OSA Publishing
Date: Jan 15, 2017
High-order external cavity modes and restabilization of a laser diode subject to a phase-conjugate feedback

We experimentally report the sequence of bifurcations destabilizing and restabilizing a laser diode…

Application: Others

Cost-effective tunable laser gas-sensor module for high-volume applications, using DFB laser diodes in the NIR, and ICL in the MIR

IEEE
Date: Jan 9, 2017
Cost-effective tunable laser gas-sensor module for high-volume applications, using DFB laser diodes in the NIR, and ICL in the MIR

This talk gives an insight into the development and the device performance of various tunable Laser…

Application: Others,Sensor

Locking distributed feedback laser diode frequency to gas absorption lines based on genetic programming

SPIE
Date: Jan 6, 2017
Locking distributed feedback laser diode frequency to gas absorption lines based on genetic programming

Distributed feedback laser is widely used as the pump beam and probe beam in atomic physical and qu…

Application: Others,Sensor