Jan Genoe
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View article: Fully Flexible Large-Area MEMS-Based Triaxial Force Sensor Array Compatible With Flat Panel Display Manufacturing
Fully Flexible Large-Area MEMS-Based Triaxial Force Sensor Array Compatible With Flat Panel Display Manufacturing Open
This work describes the first fully flexible capacitive Micro-Electro-Mechanical-System (MEMS) based Large-Area (LA) triaxial force sensor array, compatible with the Flat Panel Display (FPD) production. Thus, it is obtained by means of sta…
View article: Transient Photoluminescence Reveals the Dynamics of Injected Charge Carriers in Perovskite Light-Emitting Diodes
Transient Photoluminescence Reveals the Dynamics of Injected Charge Carriers in Perovskite Light-Emitting Diodes Open
Understanding the dynamics of injected charge carriers is crucial for the analysis of the perovskite light-emitting diode (PeLED) operation. The behavior of the injected carriers largely dictates the external quantum efficiency (EQE) roll-…
View article: Analysis of Collapse–Snapback Phenomena in Capacitive Micromachined Ultrasound Transducers
Analysis of Collapse–Snapback Phenomena in Capacitive Micromachined Ultrasound Transducers Open
The pull-in and pull-out voltages are important characteristics of Capacitive Micromachined Ultrasound Transducers (CMUTs), marking the transition between conventional and collapse operation regimes. These voltages are commonly determined …
View article: mmPrivPose3D: A dataset for pose estimation and gesture command recognition in human-robot collaboration using frequency modulated continuous wave 60Hhz RaDAR
mmPrivPose3D: A dataset for pose estimation and gesture command recognition in human-robot collaboration using frequency modulated continuous wave 60Hhz RaDAR Open
3D pose estimation and gesture command recognition are crucial for ensuring safety and improving human-robot interaction. While RGB-D cameras are commonly used for these tasks, they often raise privacy concerns due to their ability to capt…
View article: Halide Perovskite Photodiode Integrated CMOS Imager
Halide Perovskite Photodiode Integrated CMOS Imager Open
Thin film photodiodes (TFPD) can supplement complementary metal-oxide-semiconductor (CMOS) image sensor vision by their exotic optoelectronic properties assisted by their monolithic processability. Halide perovskites are known to show outs…
View article: Sensor-Enabled Safety Systems for Human–Robot Collaboration: A Review
Sensor-Enabled Safety Systems for Human–Robot Collaboration: A Review Open
Sensors are integrated into collaborative robot systems to ensure the safety of human workers by allowing them to perceive their environments, detect human presence, and adjust their actions accordingly. This PRISMA scoping review focuses…
View article: Quasi-bound state in continuum in distributed feedback lasers based on perovskite thin-films
Quasi-bound state in continuum in distributed feedback lasers based on perovskite thin-films Open
Distributed feedback lasers (DFBs) using perovskite gain media can provide many unique properties such as single mode lasing and low pump thresholds. An important characteristic of lasing is the polarization because its control permits to …
View article: Remaining challenges towards high brightness perovskite laser diodes
Remaining challenges towards high brightness perovskite laser diodes Open
We are giving an overview of our work on ultrabright perovskite LEDs with the ultimate goal of injection lasing. Starting from the analysis of perovskite films in standard LED configurations, we can already identify beneficial operation co…
View article: Integrated Sensors to Experimentally Measure Microheater Uniformity: Geometry Implications in Meander-Based Structures
Integrated Sensors to Experimentally Measure Microheater Uniformity: Geometry Implications in Meander-Based Structures Open
Microheaters have evolved to become a key component of devices in a wide range of applications, many of which require a thermal profile with good uniformity. To this end, it is critical not only to select an appropriate device geometry but…
View article: In Situ Annealing Effect on Thermally Co-Evaporated CsPbI<sub>2</sub>Br Thin Films Studied via Spectroscopic Ellipsometry
In Situ Annealing Effect on Thermally Co-Evaporated CsPbI<sub>2</sub>Br Thin Films Studied via Spectroscopic Ellipsometry Open
All-inorganic cesium lead halide perovskites possess excellent thermal stability, a feature that renders them highly favorable for optoelectronic applications with an elevated thermal budget. Employing a coevaporation approach for their de…
View article: Toward Thin‐Film Laser Diodes with Metal Halide Perovskites
Toward Thin‐Film Laser Diodes with Metal Halide Perovskites Open
Metal halide perovskite semiconductors hold a strong promise for enabling thin‐film laser diodes. Perovskites distinguish themselves from other non‐epitaxial media primarily through their ability to maintain performance at high current den…
View article: Estimating the Optically Pumped Threshold Fluence of Thin‐Film Gain Media Using Arbitrary Excitation Beams
Estimating the Optically Pumped Threshold Fluence of Thin‐Film Gain Media Using Arbitrary Excitation Beams Open
Optically pumped threshold fluences are a widely reported metric to benchmark the performance of thin‐film gain media and lasers. Estimating the threshold fluence for nonhomogeneous beams, such as a circular Gaussian excitation, is not tri…
View article: P‐81: Multimodal Intelligent Display Backplane Blocks
P‐81: Multimodal Intelligent Display Backplane Blocks Open
The display of the future is multimodal, integrating optical sensors, RFID antennas, ultrasound transducers, etc. The sensors produce a large amount of redundant data, which should be preprocessed on the substrate, ideally on the backpanel…
View article: Active Pixel Concepts for High-Resolution Large Area Imagers
Active Pixel Concepts for High-Resolution Large Area Imagers Open
In this paper, we show that for large area imagers the use of a current mode active pixel engine can increase the speed compared to a voltage mode pixel. Changing from a source follower topology to a common source amplifier can increase th…
View article: A large-area a-IGZO 256x256 imager using a current-mode transimpedance readout for mammography applications
A large-area a-IGZO 256x256 imager using a current-mode transimpedance readout for mammography applications Open
In this work, we demonstrate for the first time a large-area a-IGZO thin-film imager using current-mode active pixel. It is read out by a custom transimpedance IC, and has 3122e-noise and 71.4dB dynamic range.
View article: Subwavelength Custom Wavefront Shaping by a Nonlinear Electro-optic Spatial Light Modulator
Subwavelength Custom Wavefront Shaping by a Nonlinear Electro-optic Spatial Light Modulator Open
Holographic displays offer a method to completely reconstruct any desired wavefront and can thus lead to breakthrough innovation in beamforming, sensing, and information encryption. However, full control over a wavefront in the visible req…
View article: COMSOL Fringing Electric Fields in BTO
COMSOL Fringing Electric Fields in BTO Open
A dataset extracted from COMSOL Multiphysics of fringing electric fields inside a Barium Titanate slab waveguide. The fields were used to calculate intricate patterns capable of coupling light out of the waveguide. Both 2D and 3D data is i…
View article: COMSOL Fringing Electric Fields in Barium Titanate
COMSOL Fringing Electric Fields in Barium Titanate Open
A dataset extracted from COMSOL Multiphysics containing fringing electric fields inside a Barium Titanate slab waveguide. These fields were used to calculate intricate patterns capable of coupling light out of the waveguide. Both 2D and 3D…
View article: Multiplexed Surface Electrode Arrays Based on Metal Oxide Thin‐Film Electronics for High‐Resolution Cortical Mapping
Multiplexed Surface Electrode Arrays Based on Metal Oxide Thin‐Film Electronics for High‐Resolution Cortical Mapping Open
Electrode grids are used in neuroscience research and clinical practice to record electrical activity from the surface of the brain. However, existing passive electrocorticography (ECoG) technologies are unable to offer both high spatial r…
View article: Wafer-level-integrated vertical-waveguide sub-diffraction-limited color splitters
Wafer-level-integrated vertical-waveguide sub-diffraction-limited color splitters Open
We demonstrate a new technology for splitting colors with sub-micron resolution using standard backend processing on 300 mm wafers. The color splitting is tunable via the geometry and can be designed to correspond to the color sensitivity …
View article: A Thin-Film Pinned-Photodiode Imager Pixel with Fully Monolithic Fabrication and beyond 1Me- Full Well Capacity
A Thin-Film Pinned-Photodiode Imager Pixel with Fully Monolithic Fabrication and beyond 1Me- Full Well Capacity Open
Thin-film photodiodes (TFPD) monolithically integrated on the Si Read-Out Integrated Circuitry (ROIC) are promising imaging platforms when beyond-silicon optoelectronic properties are required. Although TFPD device performance has improved…
View article: Flexible Unipolar IGZO Transistor-Based Integrate and Fire Neurons for Spiking Neuromorphic Applications
Flexible Unipolar IGZO Transistor-Based Integrate and Fire Neurons for Spiking Neuromorphic Applications Open
In this article, three different implementations of an Axon-Hillock circuit are presented, one of the basic building blocks of spiking neural networks. In this work, we explored the design of such circuits using a unipolar thin-film transi…
View article: Electric Field-Induced Quenching of MAPbI<sub>3</sub> Photoluminescence in PeLED Architecture
Electric Field-Induced Quenching of MAPbI<sub>3</sub> Photoluminescence in PeLED Architecture Open
Photoluminescence (PL) measurements are a widely used technique for the investigation of perovskite-based materials and devices. Although electric field-induced PL quenching provides additional useful information, this phenomenon is quite …
View article: Scattered Emission Profile Technique for Accurate and Fast Assessment of Optical Gain in Thin Film Lasing Materials
Scattered Emission Profile Technique for Accurate and Fast Assessment of Optical Gain in Thin Film Lasing Materials Open
sponsorship: The authors acknowledge funding from the European Research Council under the European Horizon 2020 Programme/ERC Grant Agreement No. 835133 (ULTRA-LUX) . (European Research Council under the European Horizon 2020 Programme/ERC…
View article: Multimode Lasing in All-Solution-Processed UV-Nanoimprinted Distributed Feedback MAPbI<sub>3</sub> Perovskite Waveguides
Multimode Lasing in All-Solution-Processed UV-Nanoimprinted Distributed Feedback MAPbI<sub>3</sub> Perovskite Waveguides Open
sponsorship: The authors acknowledge funding from the European Research Council under the European Horizon 2020 Programme/ERC grant agreement no. 835133 (ULTRA-LUX) . (European Research Council under the European Horizon 2020 Programme/ERC…
View article: Monitoring the Charge-Carrier-Occupied Density of States in Disordered Organic Semiconductors under Nonequilibrium Conditions Using Thermally Stimulated Luminescence Spectroscopy
Monitoring the Charge-Carrier-Occupied Density of States in Disordered Organic Semiconductors under Nonequilibrium Conditions Using Thermally Stimulated Luminescence Spectroscopy Open
sponsorship: R.S. would like to thank Tobias Meier for discussions regarding the correlated disorder model. The authors acknowledge funding through the EU Marie Sklodowska-Curie ITN TADF life grant (Grant Agreement No. 812872) and the VW F…
View article: Photonic metamaterial with a subwavelength electrode pattern
Photonic metamaterial with a subwavelength electrode pattern Open
The next generation of tunable photonics requires highly conductive and light inert interconnects that enable fast switching of phase, amplitude, and polarization modulators without reducing their efficiency. As such, metallic electrodes s…