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Research & Technology News

Lithography-Supporting Source Outpowers Established Accelerators
BERLIN, July 2, 2024 — Scientists from Helmholtz-Zentrum Berlin (HZB), Tsinghua University, and the Physical-Technical Federal Institute (PTB) for metrology are building the foundation for a future source for coherent ultraviolet (UV) radiation, known as steady-state microbunching (SSMB). SSMB will provide a way to generate coherent synchrotron radiation at an electron storage ring in order to supply kilowatt (kW)-level average power radiation in the extreme ultraviolet (EUV) regime. As semiconductor
Production Process Lowers Quantum Dot Laser Manufacturing Costs
DAEJEON, South Korea, July 1, 2024 — Researchers from South Korea’s Electronics and Telecommunications Research Institute (ETRI) have reported the development of technology to mass-produce quantum dot lasers using metal-organic chemical vapor deposition (MOCVD) systems. The work...
Deep Learning-Trained Imager Magnifies Subwavelength Objects
LOS ANGELES, June 27, 2024 — An optical imaging system from UCLA goes beyond the traditional diffraction limit to enable imaging at subwavelength resolution. The new imager will make direct imaging of phase objects with subwavelength resolution less challenging for bioimaging,...
Spectroscopic Method Measures Soil Contaminants with Ease, Accuracy
TOKYO, June 26, 2024 — A method developed at Waseda University and the National Institute of Advanced Industrial Science and Technology (AIST) provides a simple route to accurately assess the concentration of nano- and microplastics (N/MPs) in different soil types....
Nonlinear Optics Upconverts IR to Visible for IR Imaging at Local Level
BANGALORE, India, June 25, 2024 — From defense to astronomy to environmental science, multiple sectors rely on infrared (IR) imaging and sensing to uncover critical information that cannot be detected by light in the visible range. Existing IR sensors are often bulky and...
Multifunctional Diode Speeds and Integrates Optical Computing
HEFEI, China, June 21, 2024 — A multifunctional three-terminal diode (TTD), developed by a team at the University of Science and Technology of China (USTC), can function as both an optical emitter and a photodetector. The TTD boosts communication bandwidth significantly. It is...
Cytometer Detects Cancer Cell Subpopulations Concurrently
BOSTON, June 20, 2024 — A new flow cytometry system could help scientists develop more targeted, personalized strategies for treating cancer by enabling them to follow disease progression and therapeutic response in different cancer cell subpopulations simultaneously....
Programmable Sensor Images Fast Neural Changes
CAMBRIDGE, Mass., June 18, 2024 — To study brain functions like memory, neuroscientists track the electrical communications of neurons. These voltage changes can be subtle and can happen on a millisecond timescale. A programmable image sensor from MIT could improve the ability to...
Photon Emission Control for Quantum Applications Sets Precision Record
ENSCHEDE, Netherlands, June 17, 2024 — Control of photon emission is essential for the stable, efficient management of single-photon sources for quantum information, miniaturized light sources, and numerous other applications. Researchers at the University of Twente (UT) demonstrated a...
Metasurfaces Enable Switch from Edge Detection to IR Imaging
MELBOURNE, Australia, June 13, 2024 — To create a compact, flexible sensor for agriculture and other industries, an international engineering team combined the tunability of phase change materials with reconfigurable image-processing metasurfaces. The resulting device provides image...
Chip-scale Erbium Laser Points to Portable Integrated Systems
LAUSANNE, Switzerland, June 11, 2024 — At the crossroads of growing demand for fiber lasers and chip-scale lasers, researchers at École Polytechnique Fédérale de Lausanne have developed a chip-integrated erbium-doped waveguide laser that approaches the performance of...
Photonic Insulator Enhances Study of Light-Matter Interactions
TROY, N.Y., June 11, 2024 — Exciton-polaritons — the hybrid quasiparticles of excitons and photons — have the potential to serve as a tunable, nonlinear platform for studying topological phenomena. However, due to limitations in materials, experimental observations...
Chip-Based 3D Printer for Prototyping on the Go
CAMBRIDGE, Mass., June 10, 2024 — Teams at MIT and the University of Texas at Austin (UT Austin) have fabricated a proof-of-concept chip-based 3D printer. The device, which fits onto a U.S. quarter, consists of a single millimeter-scale photonic chip that emits reconfigurable beams...
Optogenetic Enables Fatigue-Resistant Muscle Control
CAMBRIDGE, Mass., June 6, 2024 — Using optogenetics, MIT researchers developed a neuromodulation method that could someday help people with amputations, paralysis, and other conditions that restrict movement to regain muscle control for extended periods of time. The researchers...
Flexible, Stretchable Device Addresses Tuning Limitations in Structural Color
POHANG, South Korea, June 5, 2024 — A research team at Pohang University of Science and Technology (POSTECH) has developed a stretchable photonic device capable of controlling light wavelengths in all directions. The research establishes a foundational technology for advanced photonic...
On-Chip Laser Showcases Self-Sustained Comb Operation
ROCHESTER, N.Y., June 5, 2024 — Optical frequency combs have been transformational for metrology, spectroscopy, atomic clocks, and other applications, but their utility outside of lab and industrial settings has yet to be realized due to the difficulty of developing frequency comb...
CEA-Leti Reports Progress on AI-Embedded CMOS Image Sensors
GRENOBLE, France, June 3, 2024 — CEA-Leti researchers reported success in three related projects which it said are key steps to enabling a new generation of CMOS image sensors that can exploit all the image data to perceive a scene, understand the situation and intervene in it...
EU Effort Achieves Initial Graphene Photonic Integrated Circuit
GOTHENBURG, Sweden, May 31, 2024 — The EU-funded Graphene-based All-Optical Technology Platform for Secure Internet of Things (GATEPOST) project has presented the first photonic integrated GATEPOST chip. Presented at a meeting of the project’s eight stakeholders at the EurA AG...
Laser Patterning Raises Soft Electronics' Operation Possibilities
CHEONAN, South Korea, May 28, 2024 — Using a laser ablation patterning technique, researchers from the Korea Institute of Industrial Technology and Pohang University of Science and Technology fabricated deformable microsupercapacitors (MSCs) for storing energy in soft electronic...
WGM Resonators Get Sensitivity and Portability Boost for In-Field Use
TUCSON, Ariz., May 28, 2024 — The high sensitivity, rapid response, and label-free nature of whispering gallery mode (WGM) resonators enable many biochemical applications, such as early diagnostics and prognostics, food and water quality inspection, chemical threat sensing, and...
Sarcura Teams with imec for On-Chip Blood Cell Detection
LEUVEN, Belgium, May 22, 2024 — Accurate detection of human cells is a key operation in modern medicine that is vital for the study of disease mechanisms and for the advancement of targeted and personalized treatments such as CAR-T immune cell therapy for cancer. As such,...
Quantum Optical Sensor Aims to Increase MRI Scan Quality, Speed
COPENHAGEN, May 21, 2024 — Although MRI scanners provide 3D images of exceptional quality, they require frequent calibration and are limited in the types of scans they can perform. Their strong magnetic field can cause fluctuations that lead to errors in the scans. Due to the...
Blurred Light Delivers 3D-printed, High-Quality Optics
OTTAWA, Ontario, May 20, 2024 — Researchers from the National Research Council of Canada have developed a 3D printing method called blurred tomography that can rapidly produce microlenses with commercial-level optical quality. The method may make it quicker and easier to design...
Light-matter Discovery Challenges Understanding of Photon Momenta
IRVINE, Calif., May 20, 2024 — Although bulk silicon does not naturally emit light, silicon that is porous and nanostructured can produce detectable light after being exposed to visible radiation. This phenomenon, although not fully understood, fueled a study on photon momentum...
Quantum State Opens Possibility for Advances in Optoelectronics
LEIPZIG, Germany, May 17, 2024 — Scientists from Leipzig University and Nanyang Technological University showed that, contrary to popular scientific belief, light can generate electrical currents in a material even if the material is transparent to the frequency of the light that...

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