News about laser diodes

Displaying 1-50 of 818 results.

Physical-random number generator using an oscillation frequency stabilized laser diode

SPIE
Date: Jan, 1970
Physical-random number generator using an oscillation frequency stabilized laser diode

An inordinate amount of time, effort (and paper) has been spent trying to find a way to stabilize l…

Application: Others,Security

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

Tuning parametric processes in semiconductor diode lasers

OSA Publishing
Date: Mar 1, 2018
Tuning parametric processes in semiconductor diode lasers

We present GaAs/AlGaAs semiconductor lasers in which second-order nonlinearities are phase matched …

Application: Others,Sensor,Telecom

Influence of grating parameters on the performance of a high-power blue external-cavity semiconductor laser

OSA Publishing
Date: Mar 1, 2018
Influence of grating parameters on the performance of a high-power blue external-cavity semiconductor laser

The influence of grating parameters, including the diffraction efficiency and ruling density, on th…

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

Coherent addition of high power broad-area laser diodes with a compact VBG V-shaped external Talbot cavity

ScienceDirect
Date: Mar, 2018
Coherent addition of high power broad-area laser diodes with a compact VBG V-shaped external Talbot cavity

We introduced a compact V-shaped external Talbot cavity for phase locking of high power broad-area …

Application: Others,Sensor,Processing

Improvement of two-photon microscopic imaging in deep regions of living mouse brains by utilizing a light source based on an electrically controllable gain-switched laser diode

SPIE
Date: Feb 23, 2018
Improvement of two-photon microscopic imaging in deep regions of living mouse brains by utilizing a light source based on an electrically controllable gain-switched laser diode

In vivo two-photon microscopy is an advantageous technique for observing living mouse brains at hig…

Application: Others,Biology

Semipolar GaN-based laser diodes for Gbit/s white lighting communication: devices to systems

SPIE
Date: Feb 23, 2018
Semipolar GaN-based laser diodes for Gbit/s white lighting communication: devices to systems

We report the high-speed performance of semipolar GaN ridge laser diodes at 410 nm and the dynamic …


Optical distance measuring method using fast frequency noise characteristics of a laser diode

SPIE
Date: Feb 23, 2018
Optical distance measuring method using fast frequency noise characteristics of a laser diode

While standard laser range finders use modulation signals, such as sharp pulses, the method we devi…

Application: Sensor,Security,Others

Frequency locking of compact laser-diode modules at 633 nm

SPIE
Date: Feb 22, 2018
Frequency locking of compact laser-diode modules at 633 nm

This work reports on a compact diode-laser module emitting at 633 nm. The emission frequency can be…

Manufacturer: TOPTICA Photonics AG
Application: Others,Sensor

High-brightness tapered laser diodes with photonic crystal structures

SPIE
Date: Feb 20, 2018
High-brightness tapered laser diodes with photonic crystal structures

Beam quality of tapered laser diodes is limited by higher order lateral mode. On purpose of optimiz…

Application: Others,Processing

Influence of longitudinal mode lock by external grating on filamentation and catastrophic optical mirror damage (COMD) of 970 nm broad area single emitters

SPIE
Date: Feb 20, 2018
Influence of longitudinal mode lock by external grating on filamentation and catastrophic optical mirror damage (COMD) of 970 nm broad area single emitters

For many applications, laser diodes with very narrow and stable emission wavelength are needed. The…

Application: Sensor,Security,Telecom

Chapter 13 – Diode Laser Resection of Prostate (980 nm)

ScienceDirect
Date: Feb 16, 2018
Chapter 13 – Diode Laser Resection of Prostate (980 nm)

Diode lasers are a class of lasers that generate laser radiation through a semiconductor. Diode las…

Application: Others,Biology

AlGaAs-based optically pumped semiconductor lasers

SPIE
Date: Feb 15, 2018
AlGaAs-based optically pumped semiconductor lasers

The most technologically mature optically pumped semiconductor lasers (OPSL) are based on InGaAs qu…

Manufacturer: Coherent Inc.
Application: Others,DPSS Laser

Diffraction-limited 577 nm true-yellow laser by frequency doubling of a tapered diode laser

SPIE
Date: Feb 15, 2018
Diffraction-limited 577 nm true-yellow laser by frequency doubling of a tapered diode laser

A wide range of laser medical treatments are based on coagulation of blood by absorption of the las…

Application: Others,Biology

Role of the Electron Blocking Layer in the Graded-index Separate Confinement Heterostructure Nitride Laser Diodes

ScienceDirect
Date: Feb 14, 2018
Role of the Electron Blocking Layer in the Graded-index Separate Confinement Heterostructure Nitride Laser Diodes

In this work, we investigate the role of the electron blocking layer (EBL) in laser diodes based on…

Application: Others,Processing

Distributed feedback InGaN/GaN laser diodes

SPIE
Date: Feb 13, 2018
Distributed feedback InGaN/GaN laser diodes

We have realised InGaN/GaN distributed feedback laser diodes emitting at a single wavelength in the…

Application: Others,Sensor,Telecom

Exciton recombination in lasing contributing an opposite abrupt change of the electrical behavior near threshold between GaN- and GaAs- multi-quantum-well laser diodes

IOPscience
Date: Feb 9, 2018
Exciton recombination in lasing contributing an opposite abrupt change of the electrical behavior near threshold between GaN- and GaAs- multi-quantum-well laser diodes

The opposite sudden change of electrical characteristics between narrow and wide bang-gap multi-qua…

Application: Others,Processing

Visualization of an acoustic stationary wave by optical feedback interferometry

SPIE
Date: Feb 7, 2018
Visualization of an acoustic stationary wave by optical feedback interferometry

This paper presents an experimental technique for two-dimensional imaging of dynamic acoustic press…

Application: Others,Sensor

900 nm waveband four wave mixing generation in highly nonlinear photonic crystal fiber

IOPscience
Date: Feb 6, 2018
900 nm waveband four wave mixing generation in highly nonlinear photonic crystal fiber

We demonstrate, for the first time to the best of our knowledge, four wave mixing (FWM) process in …

Application: Others,Sensor,Telecom

InP femtosecond mode-locked laser in a compound feedback cavity with a switchable repetition rate

OSA Publishing
Date: Feb 1, 2018
InP femtosecond mode-locked laser in a compound feedback cavity with a switchable repetition rate

A monolithically integrated mode-locked semiconductor laser is proposed. The compound ring cavity i…

Application: Others,Sensor

Determining the refractive index of a laser diode waveguide from the measured radiation pattern

springer.com
Date: Feb 1, 2018
Determining the refractive index of a laser diode waveguide from the measured radiation pattern

It is shown that to find the transverse refractive-index profile of a semiconductor laser waveguide…

Application: Others,Sensor,Processing

Influence of nonlinear effects on the characteristics of pulsed high-power broad-area distributed Bragg reflector lasers

springer.com
Date: Feb 1, 2018
Influence of nonlinear effects on the characteristics of pulsed high-power broad-area distributed Bragg reflector lasers

We theoretically analyze the influence of nonlinear effects such as spatial holeburning, two-photon…

Application: Others,Sensor,Processing

Semiconductor laser and optical amplifier modeling

springer.com
Date: Feb 1, 2018
Semiconductor laser and optical amplifier modeling

Approaches are discussed to analyzing the dynamics and statics of the radiation of semiconductor la…

Application: Others,Processing

All-optical multistability using cross-gain modulation in quantum-dot distributed feedback semiconductor optical amplifier

springer.com
Date: Feb, 2018
All-optical multistability using cross-gain modulation in quantum-dot distributed feedback semiconductor optical amplifier

We propose and theoretically demonstrate a novel type of all-optical multistable device using singl…

Application: Others,Processing

Feed-forward coherent link from a comb to a diode laser: Application to widely tunable cavity ring-down spectroscopy

AIP Publishing
Date: Feb, 2018
Feed-forward coherent link from a comb to a diode laser: Application to widely tunable cavity ring-down spectroscopy

We apply a feed-forward frequency control scheme to establish a phase-coherent link from an optical…

Application: Others,Sensor

Opposite change trend of electrical behavior curves near the threshold between GaAs- and GaN-multi-quantum-well laser diodes

springer.com
Date: Feb, 2018
Opposite change trend of electrical behavior curves near the threshold between GaAs- and GaN-multi-quantum-well laser diodes

The opposite and abrupt change trends of the electrical behavior between narrow and wide bang-gap m…

Application: Others,Processing

Gain modeling and thermal management of optically pumped semiconductor lasers

SPIE
Date: Jan 26, 2018
Gain modeling and thermal management of optically pumped semiconductor lasers

Optically pumped semiconductor lasers (OPSL) have been replacing legacy gas lasers and solid state …

Manufacturer: Coherent Inc.
Application: Others,Biology,Projector

Results of very long time ageing tests of DFB ridge laser diodes emitting at 852 nm and 894 nm for Cesium atomic clocks

SPIE
Date: Jan 26, 2018
Results of very long time ageing tests of DFB ridge laser diodes emitting at 852 nm and 894 nm for Cesium atomic clocks

Time and Frequency applications need high accuracy and high stability clocks. Optically pumped comp…

Application: Others,Sensor

Wavelength-Stabilized High-Pulse-Power Laser Diodes for Automotive LiDAR Authors

Wiley Online Library
Date: Jan 16, 2018
Wavelength-Stabilized High-Pulse-Power Laser Diodes for Automotive LiDAR Authors

For automotive light detection and ranging (LiDAR) systems diode lasers emitting short optical puls…

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

Multistate intermittency on the route to chaos of a semiconductor laser subjected to optical feedback from a long external cavity

AIP Publishing
Date: Jan, 2018
Multistate intermittency on the route to chaos of a semiconductor laser subjected to optical feedback from a long external cavity

We observe experimentally two regimes of intermittency on the route to chaos of a semiconductor las…

Application: Others,Security

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