Jörgen Bengtsson

Recent progress for blue VCSELs and challenges to move to UV

Electrically Injected GaN-Based Vertical-Cavity Surface-Emitting Lasers with TiO2 High-Index-Contrast Grating Reflectors

Are blue and ultraviolet VCSELs a reality or just a dream?

GaN-based vertical-cavity surface-emitting laser incorporating a TiO2 high-index-contrast grating

2020

Optical microprism cavities based on dislocation-free GaN

Growth of dislocation-free and atomically flat III-nitride micro-prisms

Pushing performance in blue and UV VCSELs by nanometer structuring

Blue and ultraviolet thin-film light emitters

Blue and ultraviolet vertical-cavity surface-emitting lasers

Quality factors of vertical cavities based on dislocation-free and atomically flat III-nitride hexagonal micro-prisms

Towards ultraviolet and blue microcavity lasers

2017

Thermal lensing effects on lateral leakage in GaN-based vertical-cavity surface-emitting laser cavities

2017

Multi-wavelength VCSEL arrays using high-contrast gratings

2017

Linear and nonlinear characterization of low-stress high-confinement silicon-rich nitride waveguides: erratum

Silicon-Integrated Hybrid-Vertical-Cavity Lasers for Life Science Applications

Nanoscale structuring to improve laser performance

2017

Wavelength Control of VCSELs using High-Contrast Gratings

Silicon integrated 850-nm hybrid vertical-cavity laser for life science applications

2017

Design of an 845-nm GaAs Vertical-Cavity Silicon-Integrated Laser with an Intracavity Grating for Coupling to a SiN Waveguide Circuit

2016

Progress and challenges in electrically pumped GaN-based VCSELs

2016

GaAs High-Contrast Gratings with InGaP Sacrificial Layer for Multi-Wavelength VCSEL Arrays

2016

Demonstration of post-growth wavelength setting of VCSELs using high-contrast gratings

2015

TiO2 membrane high-contrast grating reflectors for vertical-cavity light-emitters in the visible wavelength regime

GaN-based VCSELs

2015

Linear and nonlinear characterization of low-stress high-confinement silicon-rich nitride waveguides

2015

Air-suspended TiO2-based HCG reflectors for visible spectral range

Demonstration of post-growth wavelength control of VCSELs using high-contrast gratings

2015

Integration of GaAs-based VCSEL array on SiN platform with HCG reflectors for WDM applications

Triggering of guiding and antiguiding effects in GaN-based VCSELs

High-contrast gratings for WDM VCSEL arrays

2014

Analysis of structurally sensitive loss in GaN-based VCSEL cavities and its effect on modal discrimination

High speed 850nm VCSELs for >40Gb/s transmission

2013

ZnO/AlN Clad Waveguides for AlGaN-Based Quantum Cascade Lasers

Engineering the Lateral Optical Guiding in Gallium Nitride (GaN)-based Vertical-Cavity Surface-Emitting Laser (VCSEL) Cavities to Reach the Lowest Threshold Gain

High-speed, high-temperature VCSELs for optical interconnects

2013

Calibration of spatial light modulators suffering from spatially varying phase response

High speed VCSELs for optical interconnects

Integrated MEMS-Tunable VCSELs Using a Self-Aligned Reflow Process

2012

Engineering the transverse optical guiding in GaN-based VCSELs to avoid detrimental optical loss

ZnO/AlN Clad Waveguides for AlGaN-Based Quantum Cascade Lasers

Integrated MEMS-tunable VCSELs for reconfigurable optical interconnects

High-speed tunable and fixed-wavelength VCSELs for short-reach optical links and interconnects

2011

Comprehensive analysis of electrically-pumped GaSb-based VCSELs

2011

Realization of spectrally engineered semiconductor Fabry-Perot lasers with narrow geometrical tolerances

Singlemode tunable VCSELs with integrated MEMS technology

2011

Method for measuring reflectance of semiconductor disk laser gain element under optical pump excitation

Improving spot uniformity in holographic optical tweezers

2011

Full characterization of a high-power semiconductor disk laser beam with simultaneous capture of optimally sized focus and farfield

Method for measuring reflectance of semiconductor disk laser gain element under optical pump excitation

2011

Direct measurement of the spectral reflectance of OP-SDL gain elements under optical pumping

2011

Widely Tunable High-Power Semiconductor Disk Laser With Nonresonant AR-Assisted Gain Element on Diamond Heat Spreader

Integrated Tunable VCSELs With Simple MEMS Technology

2010

Full characterization of a semiconductor laser beam by simultaneous capture of the near- and far-field

Minimizing intensity fluctuations in dynamic holographic optical tweezers by restricted phase change

Optical Label-Free Nanoplasmonic Biosensing Using a Vertical-Cavity Surface-Emitting Laser and Charge-Coupled Device

Spectral engineering of semiconductor Fabry–Perot laser cavities in the weakly and strongly perturbed regimes

2010

Optically pumped high-power semiconductor disk laser with gain element engineered for wide tunability

2010

Optimization of a Broadband Gain Element for a Widely Tunable High-power Semiconductor Disk Laser

Grid-free 3D multiple spot generation with an efficient single-plane FFT-based algorithm

Rapid SLM Design for Grid-Free Multispot Positioning in 2D and 3D with a Modified Gerchberg-Saxton Algorithm

Direct observation of lateral carrier diffusion in ridge waveguide InGaNAs lasers

10 Gb/s uncooled dilute nitride optical transmitters operating at 1300 nm

Computer Generated Holograms Designed to Reduce Intensity Fluctuations During SLM Update

Steering accuracy of a spatial light modulator-based single beam steerer: guidelines and limitations

MEMS-based VCSEL beam steering using replicated polymer diffractive lens

Direct observation of lateral carrier diffusion in ridge waveguide 1.3 um GaInNAs-GaAs lasers using scanning near-field optical microscopy

Downscaling optical biosensing system

Diffraction loss in long-wavelength buried tunnel junction VCSELs analyzed with a hybrid coupled-cavity transfer-matrix model

Improved beam steering accuracy of a single beam with a 1D phase-only spatial light modulator

MEMS-based VCSEL beam steering using replicated polymer diffractive lens

Downscaling Optical Biosensing System

Effects of Lateral Diffusion on the Temperature Sensitivity of the Threshold Current for 1.3 um Double Quantum-Well GaInNAs/GaAs Lasers

Performance of diffractive optical elements for homogenizing partially coherent light

Numerical algorithm for the retrieval of spatial coherence properties of partially coherent beams from transverse intensity measurements

On the Temperature Dependence of the Threshold Current for GaInNAs/GaAs Quantum-Well Lasers

Diffractive optical elements designed for highly precise far-field generation in the presence of artifacts typical for pixelated spatial light modulators

Analog low-loss full-range phase modulation by utilizing a V-shaped switched ferroelectric liquid-crystal cell in reflective mode

Refractive lenses in silicon micromachining by reflow of amorphous fluorocarbon polymer

Replication of continuous-profiled micro-optical elements for silicon integration

Near-lossless continuous phase modulation using the analog switching mode (V-shaped switching) in ferroelectric liquid crystals

Efficient numerical representation of the optical field for the propagation of partially coherent radiation with a specified spatial and temporal coherence function

2D laser beamsteering by integration of MEMS and diffractive optics

Diffraction-based determination of the phase modulation for general spatial light modulators

Three-level phase modulator based on orthoconic antiferroelectric liquid crystals

Dynamic laser speckle as a detrimental phenomenon in optical projection lithography

2D VCSEL beam steering using MEMS and replicated diffractive micro-optics

Design and evaluation of fundamental mode and polarization stabilized VCSELs with a sub-wavelength surface grating

Microreplication in a silicon processing compatible polymer material

Efficient and individually controllable mechanisms for mode and polarization selection in VCSELs, based on a common, localized, sub-wavelength surface grating

Dynamic laser speckle in optical projection lithography: causes, effects on CDU and LER, and possible remedies

A study of near-lossless analog phase modulation in V-shaped switching FLC cells

Vertical-Cavity Surface-Emitting Lasers: High-Speed Performance and Analysis

Microreplication in a Silicon Processing Compatible Material

Thermal management of optically pumped long-wavelength InP-based semiconductor disk lasers

High-power optically pumped 1550-nm VECSEL with a bonded silicon heat spreader

Dynamic behavior of fundamental-mode stabilized VCSELs using a shallow surface relief

Spatially dependent noise model for vertical-cavity surface-emitting lasers

Optically pumped VECSEL operating at 1550 nm"

Design of array of diffractive optical elements with inter-element coherent fan-outs

InP-based optically pumped VECSEL operating CW at 1550 nm

Modal dynamics and noise of vertical cavity surface emitting lasers

A novel technique for integration of optical elements onto silicon

Simulating noise characteristics of vertical-cavity surface-emitting lasers

Direct high-frequency modulation of VCSELs and applications to fibre optic RF and microwave links

Replicated diffractive optical element in silicon micromachining

Fabrication and Simulation of Diffractive Optical Elements with Superimposed Antireflection Subwavelength Gratings

Diffractive Optics Design

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