News about laser diodes

Displaying 1-50 of 788 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

Free space broad-bandwidth tunable laser diode based on Littman configuration for 3D profile measurement

ScienceDirect
Date: May, 2018
Free space broad-bandwidth tunable laser diode based on Littman configuration for 3D profile measurement

We developed a tunable laser diode for an optical coherence tomography system that can perform thre…

Application: Others,Sensor

A background reduction method based on empirical mode decomposition for tunable diode laser absorption spectroscopy system

ScienceDirect
Date: Apr, 2018
A background reduction method based on empirical mode decomposition for tunable diode laser absorption spectroscopy system

In tunable diode laser absorption spectroscopy based trace-gas detection, the background fluctuatio…

Application: Others,Sensor

Study of gain-coupled distributed feedback laser based on high order surface gain-coupled gratings

ScienceDirect
Date: Mar, 2018
Study of gain-coupled distributed feedback laser based on high order surface gain-coupled gratings

Single-longitudinal-mode, gain-coupled distributed feedback (DFB) lasers based on high order surfac…

Application: Others,Telecom,Sensor

Modulation of distributed feedback (DFB) laser diode with the autonomous Chua’s circuit: Theory and experiment

ScienceDirect
Date: Mar, 2018
Modulation of distributed feedback (DFB) laser diode with the autonomous Chua’s circuit: Theory and experiment

We report on a simple way to generate complex optical waveforms with very cheap and accessible equi…

Application: Others,Sensor,Telecom

Characteristics of III-nitride based laser diode employed for short range underwater wireless optical communications

ScienceDirect
Date: Mar, 2018
Characteristics of III-nitride based laser diode employed for short range underwater wireless optical communications

An off-the-shelf green laser diode (LD) was measured to investigate its temperature dependent chara…

Application: Others,Telecom

Demonstration of L-band DP-QPSK transmission over FSO and fiber channels employing InAs/InP quantum-dash laser source

ScienceDirect
Date: Mar, 2018
Demonstration of L-band DP-QPSK transmission over FSO and fiber channels employing InAs/InP quantum-dash laser source

The next generation of optical access communication networks that support 100 Gbps and beyond, requ…

Application: Others,Telecom

Modeling and experimental verification of laser self-mixing interference phenomenon with the structure of two-external-cavity feedback

ScienceDirect
Date: Mar, 2018
Modeling and experimental verification of laser self-mixing interference phenomenon with the structure of two-external-cavity feedback

A semiconductor laser employed with two-external-cavity feedback structure for laser self-mixing in…

Application: Others,Sensor

Continuous wave laser diodes enable fast optoacoustic imaging

ScienceDirect
Date: Mar, 2018
Continuous wave laser diodes enable fast optoacoustic imaging

Pulsed laser diodes may offer a smaller, less expensive alternative to conventional optoacoustic la…

Application: Others,Sensor,Biology

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

ScienceDirect
Date: Mar, 2018
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

A single-shot temporal measurement of pulsed gamma ray using a diode laser has been carried out wit…

Application: Others,Sensor

Conservation of quantum efficiency in quantum well intermixing by stress engineering with dielectric bilayers

IOPscience
Date: Jan 5, 2018
Conservation of quantum efficiency in quantum well intermixing by stress engineering with dielectric bilayers

In semiconductor lasers, quantum well intermixing (QWI) with high selectivity using dielectrics oft…

Application: Others,Processing

Compact Deep UV System at 222.5 nm Based on Frequency Doubling of GaN Laser Diode Emission

IEEE
Date: Jan 3, 2018
Compact Deep UV System at 222.5 nm Based on Frequency Doubling of GaN Laser Diode Emission

Laser light sources emitting in the deep ultraviolet wavelength range between 210 and 230 nm are of…

Application: Others,Sensor

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

Iodine-stabilized single-frequency green InGaN diode laser

OSA Publishing
Date: Jan 1, 2018
Iodine-stabilized single-frequency green InGaN diode laser

A 520-nm InGaN diode laser can emit a milliwatt-level, single-frequency laser beam when the applied…

Application: Others,Sensor

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

Polarization effects associated with thermal processing of HY-80 structural steel using high-power laser diode array

SPIE
Date: Dec 23, 2017
Polarization effects associated with thermal processing of HY-80 structural steel using high-power laser diode array

Localized heating of roughened steel surfaces using highly divergent laser light emitted from high-…

Application: Others,Processing

GaN-Based Blue Laser Diodes With 2.2 W of Light Output Power Under Continuous-Wave Operation

IEEE
Date: Dec 15, 2017
GaN-Based Blue Laser Diodes With 2.2 W of Light Output Power Under Continuous-Wave Operation

Research on GaN-based blue and green laser diodes (LDs) has attracted great attention in the past y…

Application: Others,Projector

3-kHz Spectral Linewidth Laser Assembly With Coherent Optical Negative Feedback

IEEE
Date: Dec 14, 2017
3-kHz Spectral Linewidth Laser Assembly With Coherent Optical Negative Feedback

We demonstrate the stable operation of a narrow-linewidth semiconductor laser source based on a coh…

Application: Others,Telecom,Sensor

Filtered Multicarrier OFDM Encoding on Blue Laser Diode for 14.8-Gbps Seawater Transmission

IEEE
Date: Dec 13, 2017
Filtered Multicarrier OFDM Encoding on Blue Laser Diode for 14.8-Gbps Seawater Transmission

A GaN blue laser diode (BLD) based visible-light communication link is demonstrated in seawater env…

Application: Others,Telecom

InGaP/AlGaInP Quantum Well Discrete Mode Laser Diode Emitting at 689 nm

IEEE
Date: Dec 13, 2017
InGaP/AlGaInP Quantum Well Discrete Mode Laser Diode Emitting at 689 nm

A discrete-mode laser diode, fabricated in the In0.6Ga0.4P/AlGaInP multiple quantum well system, em…

Manufacturer: Eblana Photonics Ltd.
Application: Others,Sensor

Watt-Class Green (530 nm) and Blue (465 nm) Laser Diodes

Wiley Online Library
Date: Dec 5, 2017
Watt-Class Green (530 nm) and Blue (465 nm) Laser Diodes

In this research, watt-class green and blue laser diodes, which are fabricated on free-standing sem…

Application: Others,Projector

Measurements of water molecule density by tunable diode laser absorption spectroscopy in dielectric barrier discharges with gas–water interface

IOPscience
Date: Dec 5, 2017
Measurements of water molecule density by tunable diode laser absorption spectroscopy in dielectric barrier discharges with gas–water interface

We measured water molecule (H2O) density by tunable diode-laser absorption spectroscopy (TDLAS) for…

Application: Others,Sensor

Integrated beam shaping and polarization beam combining design for fiber-coupled semiconductor laser stacks system

OSA Publishing
Date: Dec 1, 2017
Integrated beam shaping and polarization beam combining design for fiber-coupled semiconductor laser stacks system

The beam quality mismatch in the fast and slow axes of laser diode stacks limits their applications…

Application: Others,Processing

Influence of hydrogen impurity on the resistivity of low temperature grown p-AlxGa1-xN layer (0.08 ≤ x ≤ 0.104)

ScienceDirect
Date: Dec, 2017
Influence of hydrogen impurity on the resistivity of low temperature grown p-AlxGa1-xN layer (0.08 ≤ x ≤ 0.104)

Low temperature grown p-AlGaN layer with a small resistivity is crucial to improve the performance …

Application: Others,Processing

A monolithically integrated photonic microwave generator

IOPscience
Date: Dec, 2017
A monolithically integrated photonic microwave generator

In this letter, we propose and experimentally demonstrate an indium phosphide (InP) based monolithi…

Application: Others,Sensor

Comparison of the leading-edge timing walk in pulsed TOF laser range finding with avalanche bipolar junction transistor (BJT) and metal-oxide-semiconductor (MOS) switch based laser diode drivers

AIP Publishing
Date: Dec, 2017
Comparison of the leading-edge timing walk in pulsed TOF laser range finding with avalanche bipolar junction transistor (BJT) and metal-oxide-semiconductor (MOS) switch based laser diode drivers

Timing walk error in pulsed time-of-flight based laser range finding was studied using two differen…

Application: Sensor

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

Design and Performance Analysis of Noise Equivalent Model for Optical Fiber Link

springer.com
Date: Nov 28, 2017
Design and Performance Analysis of Noise Equivalent Model for Optical Fiber Link

In optical communication system different types of noises may be introduced into the signal. The ef…

Application: Others,Telecom

Bandwidth enhancement scheme demonstration on direct modulation active-MMI laser diode using multiple photon photon resonance

AIP Publishing
Date: Nov 27, 2017
Bandwidth enhancement scheme demonstration on direct modulation active-MMI laser diode using multiple photon photon resonance

By introducing properly designed multiple photo photon resonances (PPRs) on an active-Multimode Int…

Application: Others,Sensor

Timing jitter reduction of optical pulse source using unpumped erbium doped fiber

springer.com
Date: Nov 21, 2017
Timing jitter reduction of optical pulse source using unpumped erbium doped fiber

A technique to enhance the stability of optical pulse source has been proposed that employs a speci…

Application: Others,Fiber Laser

Wavelength control of a DBR laser diode using a micromachined external mirror

SPIE
Date: Nov 21, 2017
Wavelength control of a DBR laser diode using a micromachined external mirror

Single-mode wavelength-stabilized light sources are key devices for spectroscopic applications, opt…

Application: Others,Sensor,Telecom

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