News about laser diodes

Displaying 101-150 of 689 results.

High-resolution mirror temperature mapping in GaN-based diode lasers by thermoreflectance spectroscopy

IOPscience
Date: Jan 6, 2017
High-resolution mirror temperature mapping in GaN-based diode lasers by thermoreflectance spectroscopy

In this paper accurate measurements of temperature distribution on the facet of GaN-based diode las…

Application: Others,Sensor

Study on frequency stabilization of diode laser saturated absorption spectroscopy

SPIE
Date: Jan 5, 2017
Study on frequency stabilization of diode laser saturated absorption spectroscopy

With continuous improvements of semiconductor laser performance and semiconductor laser technology,…

Application: Others,Sensor

Analysis of the photon–photon resonance influence on the direct modulation bandwidth of dual-longitudinal-mode distributed feedback lasers

springer.com
Date: Jan 5, 2017
Analysis of the photon–photon resonance influence on the direct modulation bandwidth of dual-longitudinal-mode distributed feedback lasers

The paper explores the possibilities to extend the direct modulation bandwidth in dual-longitudinal…

Application: Others,Telecom

Negative characteristic temperature of GaN-based blue laser diode investigated by numerical simulation

springer.com
Date: Jan 2, 2017
Negative characteristic temperature of GaN-based blue laser diode investigated by numerical simulation

GaN-based blue laser diodes (LDs) may exhibit anomalous temperature characteristics such as a very …

Application: Others,Processing

Optically Pumped DFB Lasers Based on GaN Using 10th-Order Laterally Coupled Surface Gratings

IEEE
Date: Jan 1, 2017

An optically pumped GaN-based laser structure with 10th-order laterally coupled surface grating is …

Application: Others

Semiconductor laser linewidth reduction by six orders of magnitude via delayed optical feedback

OSA Publishing
Date: Jan 1, 2017
Semiconductor laser linewidth reduction by six orders of magnitude via delayed optical feedback

We demonstrate a coherence increase by six orders of magnitude of a standard quantum well semicondu…

Application: Others,Sensor

High peak power cavity dumping semiconductor lasers

OSA Publishing
Date: Jan 1, 2017
High peak power cavity dumping semiconductor lasers

We report on the development of a nanosecond pulsed kW-class optically pumped InGaAs semiconductor …

Application: Others,Sensor,Processing

ML2040 Series High Power Laser Modules

Frankfurt Laser Company
Date: Jan, 2017
ML2040 Series High Power Laser Modules

The laser modules of the ML2040-Series deliver high output power of up to 2W and are ideal for th…

Application: Others

A way of analyzing the radiation pattern of a laser diode operating in the fundamental mode

springer.com
Date: Jan, 2017
A way of analyzing the radiation pattern of a laser diode operating in the fundamental mode

A method is considered and an algorithm is described for detecting the lasing regime of a fundament…

Application: Others

Millimeter-Wave Carrier Embedded Dual-color Laser Diode for 5G MMWoF Link

IEEE
Date: Dec 30, 2016
Millimeter-Wave Carrier Embedded Dual-color Laser Diode for 5G MMWoF Link

With the use of central carrier suppressed master which contains a double sideband carrier, a direc…

Application: Others,Telecom

Simultaneous Generation of Microwave, Millimeter-Wave, and Terahertz Photonic Signal Based on Two-Color Semiconductor Laser Subject to Single-Beam Optical Injection

IEEE
Date: Dec 29, 2016
Simultaneous Generation of Microwave, Millimeter-Wave, and Terahertz Photonic Signal Based on Two-Color Semiconductor Laser Subject to Single-Beam Optical Injection

In this paper, dual-mode semiconductor laser is presented and demonstrated experimentally based on …

Application: Others,Telecom

What Limits the Efficiency of High-Power InGaN/GaN Lasers?

IEEE
Date: Dec 23, 2016
What Limits the Efficiency of High-Power InGaN/GaN Lasers?

Blue light emitting InGaN/GaN lasers currently exhibit less than 40% wall-plug efficiency, while in…

Application: Others,DPSS Laser

Design and fabrication of widely tunable sampled grating DFB laser diode integrated with sampled grating distributed Bragg reflector

Wiley Online Library
Date: Dec 22, 2016
Design and fabrication of widely tunable sampled grating DFB laser diode integrated with sampled grating distributed Bragg reflector

A sampled grating distributed feedback (SGDFB) laser diode integrated with a sampled grating distri…

Application: Others,Sensor,Telecom

Synthesis of a 30-Hz Linewidth Wave Tunable Over 500 GHz

IEEE
Date: Dec 22, 2016
Synthesis of a 30-Hz Linewidth Wave Tunable Over 500 GHz

We report on a compact source of 30-Hz linewidth, low-phase noise electrical waves with 500-GHz tun…

Application: Others,Telecom,Sensor

A Compact Two-Wavelength Time-Domain NIRS System Based on SiPM and Pulsed Diode Lasers

IEEE
Date: Dec 21, 2016
A Compact Two-Wavelength Time-Domain NIRS System Based on SiPM and Pulsed Diode Lasers

This paper presents a complete, compact, and low power consumption instrument designed for time-dom…

Application: Others,Sensor,Biology

A novel approach for generating flat optical frequency comb based on externally injected gain-switching distributed feedback semiconductor laser

IOPscience
Date: Dec 20, 2016
A novel approach for generating flat optical frequency comb based on externally injected gain-switching distributed feedback semiconductor laser

In this paper, a novel approach for generating flat optical frequency comb (OFC) based on externall…

Application: Others,Sensor

Concealment of time delay signature of chaotic output in a slave semiconductor laser with chaos laser injection

ScienceDirect
Date: Dec 15, 2016

An improved chaotic laser system, which has a slave semiconductor laser (SL) injected by a master S…

Application: Others

Theory of direct and indirect effect of two-photon absorption on nonlinear optical losses in high power semiconductor lasers

IOPscience
Date: Dec 13, 2016
Theory of direct and indirect effect of two-photon absorption on nonlinear optical losses in high power semiconductor lasers

The effect of the transverse laser structure on two-photon absorption (TPA) related effects in high…

Application: Others,Processing

43 Gb/s NRZ-OOK Direct Modulation of a Heterogeneously Integrated InP/Si DFB Laser

IEEE
Date: Dec 12, 2016
43 Gb/s NRZ-OOK Direct Modulation of a Heterogeneously Integrated InP/Si DFB Laser

We discuss how InP membrane laser diodes, heterogeneously integrated on SOI can be designed for hig…

Application: Others,Telecom

Angled-cavity lasers with photonic-crystal structure and high-order surface gratings

IOPscience
Date: Dec 9, 2016
Angled-cavity lasers with photonic-crystal structure and high-order surface gratings

980 nm angled-cavity laser diodes with photonic-crystal structures and high-order surface gratings …

Application: Others,Sensor

Angled-cavity lasers with photonic-crystal structure and high-order surface gratings

IOPscience
Date: Dec 9, 2016
Angled-cavity lasers with photonic-crystal structure and high-order surface gratings

980 nm angled-cavity laser diodes with photonic-crystal structures and high-order surface gratings …

Application: Others,Sensor

Designing of TJ VCSEL based on nitride materials

SPIE
Date: Dec 8, 2016
Designing of TJ VCSEL based on nitride materials

Different structures of nitride Vertical-Cavity Surface-Emitting Lasers (VCSELs) have been develope…

Application: Others,Sensor

High power semiconductor laser arrays at 1120 nm

IEEE
Date: Dec 5, 2016
High power semiconductor laser arrays at 1120 nm

Semiconductor laser arrays with a distinct number of ridge waveguides within a parallel geometry ha…

Application: Others,Biology,Sensor

First demonstration of 2 µm wavelength tunable distributed Bragg reflector laser diode

IEEE
Date: Dec 5, 2016
First demonstration of 2 µm wavelength tunable distributed Bragg reflector laser diode

We have developed the first 2 µm wavelength tunable distributed Bragg reflector (DBR) laser diode. …

Application: Others,Sensor

Power saturation in standard and double-AR unfolded laser diode cavities

IEEE
Date: Dec 5, 2016
Power saturation in standard and double-AR unfolded laser diode cavities

We report modeling and experimental results that demonstrate mechanisms limiting the output power o…

Application: Others,Processing

High gain semiconductor optical amplifier — Laser diode at visible wavelength

IEEE
Date: Dec 3, 2016
High gain semiconductor optical amplifier — Laser diode at visible wavelength

We reported on the first experimental demonstration of a two-section semipolar InGaN-based laser di…


Beam shaping for kilowatt fiber-coupled diode lasers by using one-step beam cutting-rotating of prisms

OSA Publishing
Date: Dec 1, 2016
Beam shaping for kilowatt fiber-coupled diode lasers by using one-step beam cutting-rotating of prisms

The beam quality mismatch of laser diode stacks in both axes limits many direct applications for fi…

Application: Others,Processing

Extended Modal Gain Measurement in DFB Laser Diodes

IEEE
Date: Nov 29, 2016
Extended Modal Gain Measurement in DFB Laser Diodes

A practical method is proposed for complete gain measurement in distributed feedback (DFB) laser di…

Application: Others,Sensor

Heteroclinic dynamics of coupled semiconductor lasers with optoelectronic feedback

OSA Publishing
Date: Nov 25, 2016
Heteroclinic dynamics of coupled semiconductor lasers with optoelectronic feedback

Generalized Lotka–Volterra (GLV) equations are important equations used in various areas of science…

Application: Others

Spindle error motion measurement using concentric circle grating and sinusoidal frequency-modulated semiconductor lasers

SPIE
Date: Nov 24, 2016
Spindle error motion measurement using concentric circle grating and sinusoidal frequency-modulated semiconductor lasers

The conventional method of measuring the radial, axial and angular spindle motion is complicated an…

Application: Others,Sensor

Photoluminescence emission from as-etched quantum nanodisks fabricated by bio-template and neutral beam etching process

IEEE
Date: Nov 24, 2016
Photoluminescence emission from as-etched quantum nanodisks fabricated by bio-template and neutral beam etching process

Quantum dot laser diodes are expected to replace conventional semiconductor laser diodes in new hig…

Application: Others,Telecom

Spectral Characteristics of Narrow-Linewidth High-Power 1180 nm DBR Laser With Surface Gratings

IEEE
Date: Nov 16, 2016

We report narrow-linewidth 1180-nm GaInNAs/GaAs distributed Bragg reflector lasers reaching up to ~…

Application: Others

Realizing 60 GHz narrow-linewidth photonic microwaves with very low RF driving power

IOPscience
Date: Nov 15, 2016
Realizing 60 GHz narrow-linewidth photonic microwaves with very low RF driving power

In this letter, we realize tunable (up to 60 GHz) microwave signal generation with low phase noise …

Application: Others

Experimental Demonstration of SBG Semiconductor Laser With Controlled Phase Shift

IEEE
Date: Nov 15, 2016
Experimental Demonstration of SBG Semiconductor Laser With Controlled Phase Shift

We designed and experimentally demonstrated a sampled Bragg grating semiconductor laser with a cont…

Application: Others,Telecom

Diode Laser Applications for Wind Energy

OSA Publishing
Date: Nov 14, 2016
Diode Laser Applications for Wind Energy

Our work on the use of diode lasers for wind sensing applications (i.e. wind turbine control) is de…

Application: Others

SEMINEX JOINS FORCES WITH DOLLERIS AND ENHANCES MEDICAL INDUSTRY

SEMINEX CORPORATION
Date: Nov 11, 2016
SEMINEX JOINS FORCES WITH DOLLERIS AND ENHANCES MEDICAL INDUSTRY

SemiNex Corporation, a leading supplier of high-power InP lasers between 1300 and 1700nm, and Dolle…

Application: Others

Secure Key Distribution based on Dynamic Chaos Synchronization of Cascaded Semiconductor Laser Systems

IEEE
Date: Nov 11, 2016
Secure Key Distribution based on Dynamic Chaos Synchronization of Cascaded Semiconductor Laser Systems

A new secure key distribution scheme based on the dynamic chaos synchronization of two cascaded sem…

Application: Others

Increased diffraction efficiencies of DBR gratings in diode lasers with adiabatic ridge waveguides

IOPscience
Date: Nov 11, 2016
Increased diffraction efficiencies of DBR gratings in diode lasers with adiabatic ridge waveguides

The influence of the lateral layout on the diffraction efficiency of gratings in DBR lasers is pres…

Application: Others

Investigation of single lateral mode for 852nm diode lasers with ridge waveguide design

SPIE
Date: Nov 9, 2016
Investigation of single lateral mode for 852nm diode lasers with ridge waveguide design

852nm Narrow linewidth lasers can be widely used in the field of ultra-fine spectrum measurement, C…

Application: Others

Narrow-linewidth photonic microwave generation based on an optically injected 1550 nm VCSEL subject to optoelectronic feedback

SPIE
Date: Nov 9, 2016
Narrow-linewidth photonic microwave generation based on an optically injected 1550 nm VCSEL subject to optoelectronic feedback

High-quality photonic microwave generation is experimentally demonstrated based on the period-one (…

Application: Others

Design Optimization for 25Gbps DML InAlGaAs/InP SL-MQW Laser Diode

OSA Publishing
Date: Nov 2, 2016
Design Optimization for 25Gbps DML InAlGaAs/InP SL-MQW Laser Diode

A full physics based model has been exploited to systematically study the modulation bandwidth of t…

Application: Others

Demonstration of Multi-Channel Interference Widely Tunable Semiconductor Laser

IEEE
Date: Nov 2, 2016
Demonstration of Multi-Channel Interference Widely Tunable Semiconductor Laser

In this letter, we report the first experimental demonstration of the multi-channel interference (M…

Application: Others,Sensor

InGaN/GaN Distributed Feedback Laser Diodes With Deeply Etched Sidewall Gratings

IEEE
Date: Nov 2, 2016
InGaN/GaN Distributed Feedback Laser Diodes With Deeply Etched Sidewall Gratings

We report on the design, fabrication, and characterization of InGaN/GaN distributed feedback laser …

Application: Others,Biology,Telecom

GaN-on-Si laser diode: open up a new era of Si-based optical interconnections

springer.com
Date: Nov 1, 2016

As Si-based electronics technology approaches its scaling limits, it arises great interest in optic…

Application: Others

Hysteroscopic metroplasty for the septate uterus with diode laser: a pilot study

Elsevier
Date: Nov, 2016
Hysteroscopic metroplasty for the septate uterus with diode laser: a pilot study

Objective To evaluate the feasibility and safety of office hysteroscopic metroplasty using a 9…

Application: Others

Method for narrowing the directional pattern of an InGaAs/GaAs/AlGaAs multiwell heterolaser

springer.com
Date: Nov, 2016

A semiconductor laser with a new waveguide is developed. It allows significant narrowing of the dir…

Application: Others

Stimulated emission in heterostructures with double InGaAs/GaAsSb/GaAs quantum wells, grown on GaAs and Ge/Si(001) substrates

springer.com
Date: Nov, 2016

We report the observation of stimulated emission in heterostructures with double InGaAs/GaAsSb/GaAs…

Application: Others

Diode laser array by spectral beam combing with a transmission grating

SPIE
Date: Oct 31, 2016

The 38.5 W spectral combined beam of a 19-element 940 nm diode laser bar has been demonstrated in t…

Application: Others

Micro-Integrated External Cavity Diode Laser With 1.4-W Narrowband Emission at 445 nm

IEEE
Date: Oct 31, 2016

A compact external cavity diode laser module with 1.4-W narrowband emission at 445 nm is presented.…

Application: Others

Fast random number generation with spontaneous emission noise of a single-mode semiconductor laser

IOPscience
Date: Oct 21, 2016
Fast random number generation with spontaneous emission noise of a single-mode semiconductor laser

We experimentally demonstrate a 12.5 Gb s−1 random number generator based on measuring the spontane…

Application: Others