News about laser diodes

Displaying 1-50 of 892 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

Controllable diffraction pattern in semiconductor quantum well based on quantum coherence

ScienceDirect
Date: Sep, 2018
Controllable diffraction pattern in semiconductor quantum well based on quantum coherence

In this paper, we study properties of diffraction of a weak probe field interacting with a symmetri…


Electron beam lithography on uneven resist for uniform Bragg gratings in GaSb based distributed-feedback lasers

ScienceDirect
Date: Aug 5, 2018
Electron beam lithography on uneven resist for uniform Bragg gratings in GaSb based distributed-feedback lasers

Nanofabrication of metallic Bragg gratings vertically connected to the AlGaAsSb ridges for distribu…


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

Pure red upconversion luminescence and optical thermometry of Er3+ doped sensitizer-rich SrYbInO4 phosphors

Royal Society of Chemistry
Date: Jul 21, 2018
Pure red upconversion luminescence and optical thermometry of Er3+ doped sensitizer-rich SrYbInO4 phosphors

Er3+ doped sensitizer-rich SrYbInO4 upconversion phosphors with an orthorhombic structure (Pnma) we…


Photonic Crystal Diode Laser Array Integrated With a Phase Shifter for Narrow Beam Divergence

IEEE
Date: Jul 19, 2018
Photonic Crystal Diode Laser Array Integrated With a Phase Shifter for Narrow Beam Divergence

A narrow far-field edge-emitting photonic crystal diode laser array integrated with a phase shifter…


Catastrophic Optical Damage in 950-nm Broad-Area Laser Diodes Due to Misaligned Optical Feedback and Injection

IEEE
Date: Jul 17, 2018
Catastrophic Optical Damage in 950-nm Broad-Area Laser Diodes Due to Misaligned Optical Feedback and Injection

Improper back-coupling of optical feedback is a known cause for accelerated gradual degradation as …


Kalman's method to improve accuracy of online 13С16O2 measurement in the exhaled human breath using tunable diode laser absorption spectroscopy

IOPscience
Date: Jul 11, 2018
Kalman's method to improve accuracy of online 13С16O2 measurement in the exhaled human breath using tunable diode laser absorption spectroscopy

This study reports on the use of Kalman's method for filtering an experimental signal to improve th…


Thermally induced chirp studies on spectral broadening of semiconductor laser diode arrays

OSA Publishing
Date: Jul 10, 2018
Thermally induced chirp studies on spectral broadening of semiconductor laser diode arrays

Spectral-width broadening has many factors. Diode lasers are not always monochromatic due to severa…


Optimal Entrainment of the Power Dropouts of a Semiconductor Laser with Optical Feedback to Pump Current Modulation

OSA Publishing
Date: Jul 5, 2018
Optimal Entrainment of the Power Dropouts of a Semiconductor Laser with Optical Feedback to Pump Current Modulation

We use a semiconductor laser with optical feedback in the LFF regime to study entrainment experimen…


Kerr-lens mode locking of a diode-pumped Yb:KGW laser using an additional intracavity Kerr medium

IOPscience
Date: Jul 5, 2018
Kerr-lens mode locking of a diode-pumped Yb:KGW laser using an additional intracavity Kerr medium

Kerr-lens mode-locked operation of a Yb:KGW laser pumped by a multimode laser diode with the help o…


Experimental demonstration of message transmission over an optical fiber link modulated by an ultra-wideband carrier generated by a chaotic laser diode

OSA Publishing
Date: Jul 1, 2018
Experimental demonstration of message transmission over an optical fiber link modulated by an ultra-wideband carrier generated by a chaotic laser diode

In this paper, we experimentally demonstrate message transmission over a commercial optical fiber l…


Monitoring of Gaseous CO2 in the Headspace of Champagne Glasses by Infrared Laser Spectrometry

OSA Publishing
Date: Jun 25, 2018
Monitoring of Gaseous CO2 in the Headspace of Champagne Glasses by Infrared Laser Spectrometry

We report the development, the validation and the application of an infrared diode laser spectromet…


Monitoring of Gaseous CO2 in the Headspace of Champagne Glasses by Infrared Laser Spectrometry

Date: Jun 25, 2018
Monitoring of Gaseous CO2 in the Headspace of Champagne Glasses by Infrared Laser Spectrometry

We report the development, the validation and the application of an infrared diode laser spectromet…


Chaotic laser voltage: An electronic entropy source

AIP Publishing
Date: Jun 25, 2018
Chaotic laser voltage: An electronic entropy source

The chaotic terminal voltage dynamics of a semiconductor laser subjected to external optical feedba…


An Experimental and Theoretical Investigation of CO-QEPAS Sensor Based on a High Power DFB Diode Laser

OSA Publishing
Date: Jun 25, 2018
An Experimental and Theoretical Investigation of CO-QEPAS Sensor Based on a High Power DFB Diode Laser

A high sensitive CO-QEPAS sensor with a high power 2.33 μm diode laser was demonstrated. A 11.2 ppm…


Gallium Arsenide

springer.com
Date: Jun 22, 2018
Gallium Arsenide

You have probably never seen gallium arsenide (GaAs) and may not have even heard of it but every da…


High capacity passive optical network monitoring scheme using self-seeding Fabry–Pérot laser diode with direct modulation

SPIE
Date: Jun 21, 2018
High capacity passive optical network monitoring scheme using self-seeding Fabry–Pérot laser diode with direct modulation

We propose and experimentally demonstrate a high capacity optical monitoring scheme using a self-se…


Investigation of high-voltage pulse trigger generator based on photo-conductive semiconductor switch

AIP Publishing
Date: Jun 5, 2018
Investigation of high-voltage pulse trigger generator based on photo-conductive semiconductor switch

The trigger to generate high-voltage pulse is one of the most important parts in a pulsed-power sys…


A comparative study of Ti and Cr based p-ohmic contacts on high power GaAs laser diodes

IEEE
Date: Jun, 2018
A comparative study of Ti and Cr based p-ohmic contacts on high power GaAs laser diodes

The present work involves a comparison of sequentially evaporated Ti/Pt/Au and Cr/Au p-ohmic contac…


Efficiency analysis of optical schemes for the development of high power laser diode modules

SPIE
Date: May 28, 2018
Efficiency analysis of optical schemes for the development of high power laser diode modules

Nowadays, fast development of laser based material processing technology and additive manufacturing…


Optical feedback interferometry applied to visualize an acoustic stationary wave

SPIE
Date: May 24, 2018
Optical feedback interferometry applied to visualize an acoustic stationary wave

This article presents a novel technique to acquire and visualize two-dimensional images of dynamic …


Optical fiber ring resonator as a high-resolution spectrometer. Characterization and applications with single line diode lasers

SPIE
Date: May 24, 2018
Optical fiber ring resonator as a high-resolution spectrometer. Characterization and applications with single line diode lasers

An optical fiber ring resonator (OFRR), a wavelength sensor for testing a single-mode laser system …


Self-generation of optical frequency combs in single section QD lasers: theory and numerical modelling (Conference Presentation)

SPIE
Date: May 23, 2018
Self-generation of optical frequency combs in single section QD lasers: theory and numerical modelling (Conference Presentation)

Optical Frequency Combs (OFC) generated by semiconductor lasers at optical communication wavelength…


Near-infrared GaAsBi quantum well laser diodes (Conference Presentation)

SPIE
Date: May 23, 2018
Near-infrared GaAsBi quantum well laser diodes (Conference Presentation)

Dilute bismide is a novel class of III-V semiconductor compound possessing a number of attractive p…


Continuous wavelength operation of injection III-V microdisk lasers directly grown on Si substrate with emission wavelength beyond 1.2 μm (Conference Presentation)

SPIE
Date: May 23, 2018
Continuous wavelength operation of injection III-V microdisk lasers directly grown on Si substrate with emission wavelength beyond 1.2 μm (Conference Presentation)

A combination of high operation temperatures and small sizes of diode lasers directly grown on sili…

Application: DPSS Laser,Sensor,Others

UV-VIS upconversion emission properties of Tm3++Yb3+:ZBLAN glasses (Conference Presentation)

SPIE
Date: May 23, 2018
UV-VIS upconversion emission properties of Tm3++Yb3+:ZBLAN glasses (Conference Presentation)

Continuous demand for compact and efficient laser sources, specifically those operating in short-wa…


Chiral 2D Colloidal Semiconductor Quantum Wells

Wiley Online Library
Date: May 21, 2018
Chiral 2D Colloidal Semiconductor Quantum Wells

Induced chirality in colloidal semiconductor nanoparticles has raised significant attention in the …

Application: Processing,Sensor,Others

Dual-mode semiconductor lasers in reservoir computing

SPIE
Date: May 21, 2018
Dual-mode semiconductor lasers in reservoir computing

Delay-based reservoir computing schemes using semiconductor lasers have proven robustness and good …


Direct Semiconductor Laser Writing of Few‐Layer Graphene Polyhedra Networks for Flexible Solid‐State Supercapacitor

Wiley Online Library
Date: May 21, 2018
Direct Semiconductor Laser Writing of Few‐Layer Graphene Polyhedra Networks for Flexible Solid‐State Supercapacitor

Here, a simple one‐step fabrication methodology is presented for continuous heteroatoms‐doped carbo…


Coupled‐Waveguides for Dispersion Compensation in Semiconductor Lasers (Laser Photonics Rev. 12(5)/2018)

Wiley Online Library
Date: May 18, 2018
Coupled‐Waveguides for Dispersion Compensation in Semiconductor Lasers (Laser Photonics Rev. 12(5)/2018)

In article number 1700323, Yves Bidaux and co‐workers present a dual‐waveguide for intracavity disp…


A Cascaded Tunable DFB Semiconductor Laser With Compact Structure

IEEE
Date: May 17, 2018
A Cascaded Tunable DFB Semiconductor Laser With Compact Structure

A compact cascaded tunable distributed feedback semiconductor laser is proposed and theoretically a…


Compact continuous wave THz source based on monolithic two-color laser diode

SPIE
Date: May 14, 2018
Compact continuous wave THz source based on monolithic two-color laser diode

We report a stable and compact CW THz source, based on fiber coupled photoconducting antennas pumpe…

Application: DPSS Laser,Sensor,Others

High-temperature diode laser pumps for low SWaP directed energy lasers (Conference Presentation)

SPIE
Date: May 14, 2018
High-temperature diode laser pumps for low SWaP directed energy lasers (Conference Presentation)

Kilowatt-class fiber lasers and amplifiers are becoming increasingly important building blocks for …


Diode arrays for high-temperature operation in military environments (Conference Presentation)

SPIE
Date: May 14, 2018
Diode arrays for high-temperature operation in military environments (Conference Presentation)

Many military applications require reliable laser diode operation across a wide range of elevated t…


Tunable self-injected Fabry-Perot laser diode coupled to an external high-Q Si3N4/SiO2 micro-ring resonator

OSA Publishing
Date: May 13, 2018
Tunable self-injected Fabry-Perot laser diode coupled to an external high-Q Si3N4/SiO2 micro-ring resonator

We demonstrate a self-injection locking of Fabry-Perot laser diode with narrow linewidth of 8 kHz. …

Application: DPSS Laser,Others

1.5 μm GaInAsP Stripe Laser Comparison Between InP Substrate and Directly Bonded InP/Si Substrate

OSA Publishing
Date: May 13, 2018
1.5 μm GaInAsP Stripe Laser Comparison Between InP Substrate and Directly Bonded InP/Si Substrate

Silicon optoelectronic integrated circuits (OEIC) has become the best platform for optical intercon…

Application: DPSS Laser,Others

A Widely-Tunable High-SMSR Narrow-Linewidth Laser Heterogeneously Integrated on Silicon

OSA Publishing
Date: May 13, 2018
A Widely-Tunable High-SMSR Narrow-Linewidth Laser Heterogeneously Integrated on Silicon

A heterogeneously-integrated widely-tunable semiconductor laser utilizing unbalanced MZI filter ass…

Application: DPSS Laser,Others

Dilute-Bismide Alloys for GaSb-based Mid-Infrared Semiconductor Lasers

OSA Publishing
Date: May 13, 2018
Dilute-Bismide Alloys for GaSb-based Mid-Infrared Semiconductor Lasers

Incorporation of bismuth into III-V emitters typically results in dramatically reduced luminescence…

Application: DPSS Laser,Others

Semiconductor MQWs Photo-Electronic Logic Devices

springer.com
Date: May 13, 2018
Semiconductor MQWs Photo-Electronic Logic Devices

Semiconductor optoelectronics is currently one of the hottest research frontiers, especially after …

Application: Sensor,Others

Study of a single emitter laser diode: PSpice model and characterization system

SPIE
Date: May 9, 2018
Study of a single emitter laser diode: PSpice model and characterization system

This article describes a study of an 8 W optical output power single emitter laser diode. The used …

Application: DPSS Laser,Sensor,Others

Optical feedback stabilization of a frequency comb generated by a self-mode-locked quantum dot laser emitting at 1255 nm

SPIE
Date: May 9, 2018
Optical feedback stabilization of a frequency comb generated by a self-mode-locked quantum dot laser emitting at 1255 nm

In this contribution we investigate experimentally and by modeling the mode spacing tuning range an…

Application: DPSS Laser,Others

Facet temperature reduction by separate pumped window in high power laser diodes

SPIE
Date: May 9, 2018
Facet temperature reduction by separate pumped window in high power laser diodes

The main optical output power limitation in high power laser diodes is the catastrophic optical mir…


Mode-locked diode laser with resonant ring amplifier

SPIE
Date: May 9, 2018
Mode-locked diode laser with resonant ring amplifier

We present a ring semiconductor amplifier system which is seeded by ultrashort pulses for additive …

Application: DPSS Laser,Sensor,Others

Timing stability and repetition rate frequency tuning analysis of a passively mode-locked multiquantum well semiconductor laser subject to dual cavity optical self-feedback

SPIE
Date: May 9, 2018
Timing stability and repetition rate frequency tuning analysis of a passively mode-locked multiquantum well semiconductor laser subject to dual cavity optical self-feedback

Monolithic passively mode-locked (PML) semiconductor lasers with multi-GHz repetition rate (RR) emi…


Active-MMI laser diode toward high-speed direct modulation based on multiple photon-photon resonance

SPIE
Date: May 9, 2018
Active-MMI laser diode toward high-speed direct modulation based on multiple photon-photon resonance

Photon-photon resonance (PPR) has been researched to achieve high modulation frequency bandwidth in…

Application: DPSS Laser,Others

IFVD-based large intermixing selectivity window process for high power laser diodes

SPIE
Date: May 9, 2018
IFVD-based large intermixing selectivity window process for high power laser diodes

Catastrophic optical mirror damage (COMD) is a key issue in semiconductor lasers and it is initiate…


Facet temperature reduction by separate pumped window in high power laser diodes

SPIE
Date: May 9, 2018
Facet temperature reduction by separate pumped window in high power laser diodes

The main optical output power limitation in high power laser diodes is the catastrophic optical mir…

Application: DPSS Laser,Sensor,Others

The Vertical-Cavity Surface-Emitting Laser as a Sensing Device

IEEE
Date: May 9, 2018
The Vertical-Cavity Surface-Emitting Laser as a Sensing Device

Abstract: We show that a change to the quality (Q) factor of a laser diode cavity affects the elec…

Application: DPSS Laser,Sensor,Others