News about laser diodes

Displaying 1-50 of 857 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

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

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…


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

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…


Megawatt-class peak power laser diode pump sources

SPIE
Date: May 4, 2018
Megawatt-class peak power laser diode pump sources

Maximizing brightness and peak power out of the laser diode array is essential in the development o…


CCD-based thermoreflectance imaging of high-power diode lasers with back-irradiance

SPIE
Date: May 4, 2018
CCD-based thermoreflectance imaging of high-power diode lasers with back-irradiance

The two-dimensional (2D) temperature profile of a high-power junction-down broad-area diode laser f…

Application: DPSS Laser,Others

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

Double Electron–Electron Resonance Between Trapped Electron and Hole in a Semiconductor

springer.com
Date: Apr 7, 2018
Double Electron–Electron Resonance Between Trapped Electron and Hole in a Semiconductor

We demonstrate the spin interactions between dispersedly trapped electrons and holes in a semicondu…

Application: Security,Others

Electrical Probing Test for Characterizing Wideband Optical Transceiving Devices with Self-reference and On-chip Capability

IEEE
Date: Apr 4, 2018
Electrical Probing Test for Characterizing Wideband Optical Transceiving Devices with Self-reference and On-chip Capability

An electrical probing test method is proposed based on serial or parallel modulation mixing scheme …


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

Mode-locked Ti:sapphire laser oscillators pumped by wavelength-multiplexed laser diodes

IOPscience
Date: Mar 28, 2018
Mode-locked Ti:sapphire laser oscillators pumped by wavelength-multiplexed laser diodes

We directly pumped a Ti:sapphire laser by combining 478 and 520 nm laser diodes to prevent the effe…


Method to improve near-field nonlinearity of a high-power diode laser array on a microchannel cooler

SPIE
Date: Mar 24, 2018
Method to improve near-field nonlinearity of a high-power diode laser array on a microchannel cooler

Due to thermal stress, each emitter in a semiconductor laser bar or array is vertically displaced a…

Application: DPSS Laser,Others

Continuous Wave Operation of a Yb3+–Ho3+ Co-Doped LuVO4 Laser at 2076 nm

IEEE
Date: Mar 23, 2018
Continuous Wave Operation of a Yb3+–Ho3+ Co-Doped LuVO4 Laser at 2076 nm

We report a continuous wave Yb3+–Ho3+ co-doped LuVO4 laser dual end pumped by laser diodes. A c -cu…


Wavelength stabilized high pulse power laser diodes for automotive LiDAR

SPIE
Date: Mar 21, 2018
Wavelength stabilized high pulse power laser diodes for automotive LiDAR

Diode lasers generating optical pulses with high peak power and lengths in the nanosecond range are…


Tutorial on semiconductor nanolasers: from metallic cavities to 2D transition metal dichalcogenide gain materials (Conference Presentation)

SPIE
Date: Mar 14, 2018
Tutorial on semiconductor nanolasers: from metallic cavities to 2D transition metal dichalcogenide gain materials (Conference Presentation)

This talk will present a tutorial discuss of several important aspects of recent progress on semico…


New generation of tunable narrowband laser diode systems for SEOP and DPAL (Conference Presentation)

SPIE
Date: Mar 14, 2018
New generation of tunable narrowband laser diode systems for SEOP and DPAL (Conference Presentation)

The technology of volume Bragg gratings (VBGs) recorded in photo-thermo-refractive glass allows con…


Carrier dynamics and modulation of (Al,In)GaN laser diodes (Conference Presentation)

SPIE
Date: Mar 14, 2018
Carrier dynamics and modulation of (Al,In)GaN laser diodes (Conference Presentation)

(Al,In)GaN laser diodes are used as the blue and green light source in RGB laser projection, e.g. h…

Application: DPSS Laser,BD/DVD,Others

Carrier screening of built-in electric fields in nitride laser diodes and superluminescent diodes (Conference Presentation)

SPIE
Date: Mar 14, 2018
Carrier screening of built-in electric fields in nitride laser diodes and superluminescent diodes (Conference Presentation)

Nitride based laser diodes utilize as an active medium extremely strained InGaN quantum wells. As t…

Application: DPSS Laser,Others

Mode Selective Active Multimode Interferometer Laser Diode with over 40 GHz Direct Modulation Bandwidth

OSA Publishing
Date: Mar 11, 2018
Mode Selective Active Multimode Interferometer Laser Diode with over 40 GHz Direct Modulation Bandwidth

Mode selective active multimode interferometer laser diode demonstrated high speed modulation capac…

Application: DPSS Laser,Others

Temporal soliton locked in a micro-resonator pumped by a diode laser without an amplifier

OSA Publishing
Date: Mar 11, 2018
Temporal soliton locked in a micro-resonator pumped by a diode laser without an amplifier

A single-soliton state is generated in a micro-resonator using a customized low-noise diode laser. …

Application: DPSS Laser,Others

High Performance self-injection locked 524 nm green laser diode for high bitrate visible light communications

OSA Publishing
Date: Mar 11, 2018
High Performance self-injection locked 524 nm green laser diode for high bitrate visible light communications

First demonstration of self-injection locking on 524 nm visible laser diode is presented. Enhanceme…


Compact and portable terahertz imaging system using single-mode Fabry-Perot laser diode photomixer

SPIE
Date: Mar 5, 2018
Compact and portable terahertz imaging system using single-mode Fabry-Perot laser diode photomixer

In order for Terahertz (THz) technology to enter the forefront of the industry, technology to gener…


The influence of grating shape formation fluctuation on DFB laser diode threshold condition

springer.com
Date: Mar 5, 2018
The influence of grating shape formation fluctuation on DFB laser diode threshold condition

Not only the grating material refractive index itself but also the Bragg grating physical shape for…


3.1 W narrowband blue external cavity diode laser

SPIE
Date: Mar 5, 2018
3.1 W narrowband blue external cavity diode laser

We reported a high-power narrowband blue diode laser which is suitable for subsequent nonlinear fre…


A monolithic optical heterodyne source based on dual DFB lasers using an InP generic foundry platform

SPIE
Date: Mar 5, 2018
A monolithic optical heterodyne source based on dual DFB lasers using an InP generic foundry platform

A photonic integrated circuit developed in a generic foundry platform for continuously tunable micr…

Application: DPSS Laser,Others

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

Characteristics of OMVPE grown GaAsBi QW lasers and impact of post-growth thermal annealing

AIP Publishing
Date: Mar, 2018
Characteristics of OMVPE grown GaAsBi QW lasers and impact of post-growth thermal annealing

Laser diodes employing a strain-compensated GaAs1−xBix/GaAs1−yPy single quantum well (SQW) active r…


Characteristics of OMVPE grown GaAsBi QW lasers and impact of post-growth thermal annealing

AIP Publishing
Date: Mar, 2018
Characteristics of OMVPE grown GaAsBi QW lasers and impact of post-growth thermal annealing

Laser diodes employing a strain-compensated GaAs1−xBix/GaAs1−yPy single quantum well (SQW) active r…


Chip-carrier thermal barrier and its impact on lateral thermal lens profile and beam parameter product in high power broad area lasers

AIP Publishing
Date: Mar, 2018
Chip-carrier thermal barrier and its impact on lateral thermal lens profile and beam parameter product in high power broad area lasers

High power broad area diode lasers with high optical power density in a small focus spot are in str…

Application: DPSS Laser