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Education News
Electric field-induced Charging Could Improve Colloidal Quantum Dot Lasing
SINGAPORE, Dec. 5, 2019 — Researchers at Nanyang Technological University (NTU Singapore) have demonstrated tunable, controllable amplified spontaneous emission (ASE) in a colloidal semiconductor device via electric field-induced charging. Their work could open new avenues for achieving electrically pumped colloidal quantum dot (CQD) lasers. In experiments, the NTU scientists embedded CQDs between two electrodes to create an electric field to control and change the properties inside the CQDs. The researchers
Ozcan Labs, UCLA Publish Method on Machine Learning Using Continuum of Wavelengths
LOS ANGELES, Dec. 4, 2019 — A UCLA research team led by Aydogan Ozcan has been developing a diffractive deep neural network, a machine that combines optical diffraction deep learning with light-matter interaction. The goal for the team was to engineer diffractive surfaces that...
System Uses Artificial Intelligence for Placental Analysis
UNIVERSITY PARK, Pa., Dec. 4, 2019 — Placentas can provide critical information about the health of the mother and baby; yet, in the U.S., only about 20% of placentas are assessed by pathology exams after delivery. A new approach from researchers at The Pennsylvania State University...
Data on Laser-Plasma Instabilities Could Improve Fusion Experiments
ROCHESTER, N.Y., Dec. 3, 2019 — New research from the University of Rochester could lead to more accurate computer models for simulations of laser-driven implosions. Researchers at the the university’s Laboratory for Laser Energetics (LLE), along with their colleagues at Lawrence...
Clear, Conductive Coating Could Protect Solar Cells, Display Screens
CAMBRIDGE, Mass., Dec. 2, 2019 — MIT researchers have improved on their initial version of a transparent, conductive coating material for solar cells and touch screens, producing a tenfold gain in its electrical conductivity. The high-performing, flexible material, an organic...
Plasmonics-Based Light Detector Could Support Precision Agriculture
DURHAM, N.C., Nov. 27, 2019 — A new, broad-spectrum photodetector that can be implemented on a single chip has been developed at Duke University. The photodetector spans a range of light frequencies by using on-chip spectral filters created with electromagnetic materials. The...
Edmund Optics Announces Educational Award Recipients
BARRINGTON, N.J., Nov. 26, 2019 — Edmund Optics has announced the recipients of its 2019 Educational Award program. The award is given in recognition of outstanding undergraduate and graduate optics research in science, technology, engineering, and mathematics programs at nonprofit...
Tapered Optical Fiber Performs Multisite Photometry in the Brain
LECCE, Italy, Nov. 26, 2019 — Researchers from Istituto Italiano di Tecnologia (IIT), the University of Salento, and Harvard Medical School have developed a light-based method to capture and pinpoint neural activity in the brain. The new method allows signals from various brain...
Electrode-Water Interface Produces Giant Pockels Effect for a ‘Liquid’ Light Modulator
TOKYO, Nov. 25, 2019 — A new type of light modulator could lead to a better understanding of how the Pockels effect occurs in different types of materials, making it possible to more fully explore its potential in optical applications. A team of scientists at the Tokyo...
Smart Microscope Teaches Itself Settings for Diagnosing Disease
DURHAM, N.C., Nov. 25, 2019 — Engineers at Duke University used machine learning to develop a microscope capable of adapting its lighting angles, colors, and patterns while teaching itself the optimal settings needed to complete a diagnostic task. In a proof-of-concept study,...
Collaborative Work Advances Quantum Sensors for Bio Applications
ROME, Nov. 25, 2019 — A research team at Università degli Studi Roma Tre has shown that quantum light can be used to track enzyme reactions in real time. The researchers developed a setup that allowed them to control the light at the level of a single photon. This made...
Event Reconstruction System Uses Smartphone Video to Locate Shooters
PITTSBURGH, Nov. 25, 2019 — A system that can accurately locate a shooter based on video recordings from as few as three smartphones has been developed by researchers at Carnegie Mellon University. The system, called Video Event Reconstruction and Analysis (VERA), uses machine...
PHI Lab Collaborates on Quantum Neural Network-Based Computing
PALO ALTO, Calif., Nov. 19, 2019 — NTT Research Inc.’s Physics and Informatics (PHI) Lab has reached joint research agreements with six universities, one government agency, and one private company for quantum neural network-based computing. The PHI Lab has struck five-year...
New Innovation Hub to Provide Open-Access Support to European Researchers
BRUSSELS, Nov. 19, 2019 — ACTPHAST for Researchers (ACTPHAST 4R), a new EU innovation hub specializing in the deployment of cutting-edge photonics technologies, will give researchers in academic institutes throughout Europe the chance to turn their breakthrough scientific...
Photonic Accelerator Could Increase Computation Speed and Efficiency
HAMAMATSU, Japan, Nov. 19, 2019 — A new photonic integrated circuit device, developed by researchers in Japan, can be placed at the front end of a digital computer and optimized to perform specific functions with less power consumption than is needed for fully electronic devices....
Photonic Cluster States Generated at Room Temps for Quantum Computation
KONGENS LYNGBY, Denmark, Nov. 18, 2019 — To observe quantum phenomena on a macroscopic scale, researchers at the Center for Macroscopic Quantum States (bigQ) and the Technical University of Denmark (DTU) created an extremely entangled quantum state, called a cluster state. The team’s...
Ghost Imaging Captures Clear Reconstructions of Moving Objects
CHANGSHA, China, Nov. 18, 2019 — Researchers at the National University of Defense Technology (NUDT) have used ghost imaging to capture an image of a moving object. The new method, which creates clear reconstructions by combining information found in the blurry images of a moving...
2D Material for Photodetectors Is Less Costly, More Sensitive Than Gold
PHILADELPHIA, Nov. 15, 2019 — Researchers at Drexel University are using MXene, a 2D transition metal carbide (Ti3C2), to fabricate photodetectors with improved sensitivity for substantially less cost. The researchers replaced gold, typically used in the fabrication of...
Interactive Hologram Uses Ultrasound Waves and LEDs
SUSSEX, England, Nov. 15, 2019 — Researchers at the University of Sussex have built a device that uses LEDs and ultrasound waves to levitate a polystyrene bead and create tactile, 3D holograms. The device, known as a Multimodal Acoustic Trap Display (MATD), maneuvers the 2 mm-wide...
Researchers Explore How Light Affects Circadian Rhythms in Insects
IRVINE, Calif., Nov. 14, 2019 — University of California, Irvine (UCI) researchers have explored how UV, blue, and red light affect the central brain neurons that allow circadian clock timing to be reset. The researchers found that blue and UV light create a sustained light...
Hexagon and URI Form Collaborative Partnership for Advanced Manufacturing
KINGSTON, R.I., Nov. 14, 2019 — Sensor and software developer Hexagon has announced a collaboration with the University of Rhode Island (URI) to provide manufacturing technologies that will enable a research environment for undergraduate and graduate programs focused on advanced...
100 Years Ago, Elmer Imes’ Observations Informed a New Understanding of Molecular Physics
Nov 12, 2019 — One hundred years ago this month, physicist Elmer Imes published his dissertation, “Measurements on the Near-Infrared Absorption of Some Diatomic Gases,” in Astrophysical Journal. The paper provided the scientific world with the first...
Raman Scattering Helps Ensure Safety of Stem Cell Therapies
NEW BRUNSWICK, N.J., Nov. 12, 2019 — A research team at Rutgers University has developed a biosensor technology that could benefit applications for the treatment of neurological disorders through stem cell therapy. The hybrid biosensing platform consists of an array of ultrathin...
Metasurfaces Enable Low-Loss Integrated Photonics Platform
NEWARK, Del., Nov. 12, 2019 — A University of Delaware (UD) research team has designed an integrated photonics platform using metasurfaces. To limit the loss of data, the team fabricated a high-contrast transmitarray (HCTA)-based metalens on a silicon-based chip programmed with...
Photonic Crystals Show Fast Response Speeds
STATE COLLEGE, Pa., Nov. 11, 2019 — A technique to restructure liquid crystals could lead to the development of fast-responding liquid crystals suitable for next-generation displays and advanced photonic applications such as mirrorless lasers, biosensors, and fast/slow light...
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