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Research & Technology News
Sequence of Operations Simplifies Photonic Quantum Computers
STANFORD, Calif., Dec. 6, 2021 — Stanford University researchers have proposed a design for photonic quantum computer that uses readily available components and a laser to manipulate a single atom that can modify the state of the photons in the system via the phenomenon of quantum teleportation. The researchers said their photonic design is simpler than today’s quantum computers that are difficult to scale up and that require temperatures colder than interstellar space to operate. Though scientists have previously
Researchers Create Complex Optics Out of a Fluid Situation
HAIFA, Israel, Dec. 3, 2021 — Researchers at Technion: Israel Institute of Technology have developed a method to fabricate freeform optical components by shaping a volume of curable liquid polymer. The work may enable faster prototyping of customized optical components for a...
Quantum Sensors Measure Brain Activity with Pinpoint Accuracy
BRIGHTON, England, Dec. 2, 2021 — Quantum sensors could be used to indicate early biomarkers for brain diseases in space and time, based on the results of a University of Sussex (England) study. Researchers showed that quantum sensors, when used with magnetoencephalography (MEG),...
Ultrashort-Pulse QCLs Push Possibilities into Mid-Infrared
ZURICH, Dec. 1, 2021 — Researchers at ETH Zurich have demonstrated direct femtosecond pulse emission from a QCL in the mid-infrared region. The demonstration, which the ETH Zurich researchers reported is the first of its kind, opens the possibility for novel applications...
Group IV Laser Materials Prepare to Board Silicon Photonics Train
GIF-SUR-YVETTE, France, Dec. 1, 2021 — A team of scientists led by Moustafa El Kurdi from the Center for Nanosciences and Nanotechnologies, University of Paris-Saclay and collaborators from the Alternative Energies and Atomic Energy Commission (CEA) in France have developed a technology...
AI Imaging Method Provides Biopsy-free Skin Diagnosis
LOS ANGELES, Nov. 30, 2021 — A deep learning-enabled imaging technology, developed by UCLA professor Aydogan Ozcan and colleagues, provides a noninvasive way to rapidly diagnose skin tumors, allowing earlier diagnosis of skin cancer. The technology bypasses reliance on skin...
Passive Radiative Cooler is Built Using Common Household Items
LOS ANGELES, Nov. 30, 2021 — Using “Scotch tape” and aluminum foil, engineers at UCLA built a passive radiative cooler that lowers outdoor temperatures without electricity or refrigerants. The team’s cooler design exhibits solar reflectance, long wavelength...
Integrated Device Modulates Light Without Dimming It
NEW YORK, Nov. 29, 2021 — Researchers at Columbia University School of Engineering and Applied Science have developed a device that modulates visible light without dimming it, and in a small footprint with low power consumption. The work holds implications for applications...
Ultrasensitive Solar-Blind Detectors Weather Harsh Environments
HEFEI, China, Nov. 29, 2021 — A solar-blind ultraviolet photodetector (SBPD) designed for harsh environments uses amorphous gallium oxide (AGO) as a materials substitute for the traditional silicon substrate. Gallium oxide features a wide bandgap and high heat resistance, and it...
Structural Color Gives Sustainable Sparkle to Plant-Based Materials
CAMBRIDGE, England, Nov. 26, 2021 — Not all that glitters is gold and not all that’s glitter is good for the environment. Used to add sparkle to everything from cosmetics to Christmas ornaments, glitter is getting an environmentally friendly makeover from scientists at the...
Scientific Cameras Push the Boundaries of Speed and Sensitivity
Nov 24, 2021 — Scientific applications push imaging to the extremes. They demand cameras that can capture events as they unfold over nanoseconds, or capture processes that produce only a few photons across a broad spectrum — or a combination of both. In all...
Temperature-based Method May Improve Detection of Skin Cancer
QUEBEC CITY, Nov. 24, 2021 — An imaging technique developed by researchers at the Institut national de la recherche scientifique (INRS), can measure temperature in 2D, without contact, and in real time. The method could improve photothermal therapy and help deliver early...
Algorithm Delivers Perceptual Reality to Holographic Displays
STANFORD, Calif., Nov 23, 2021 — Research at Stanford University may lead to more realistic displays in virtual and augmented reality headsets. A team at the school has developed a technique to reduce a speckling distortion often seen in regular laser-based holographic displays, as...
Squeezed Light Improves Accuracy of Magnetometry Measurements
BARCELONA, Spain, Nov. 22, 2021 — Researchers from ICFO (The Institute of Photonic Sciences) and Hangzhou Dianzi University have revealed that the effect known as “squeezed light” — the organization of photons in motion that ensures that they arrive on a target in...
Photocatalyst Quantum Confinement Points to Green Hydrogen Production
HONG KONG, Nov. 22, 2021 — The discovery of the effect of quantum confinement in a 3D-ordrered microporous (3DOM) structure photocatalyst has enabled the production of hydrogen under a visible light source. A research team led by researchers from China and Germany made the...
Optofluidic Platform Identifies Drug-Resistant Disease
BREISGAU, Germany, Nov. 10, 2021 — Citing increased resistance to antibiotics on the rise globally, researchers from Fraunhofer Institute for Physical Measurement Techniques (Fraunhofer IPM), working alongside those from the Ludwig Maximilian University of Munich, have developed a...
Foveated Glasses-Free 3D Display Achieves High Angular Resolution with Wide FOV
SUZHOU, China, Nov. 9, 2021 — Glasses-free 3D displays could transform the portable electronics industry. However, the limited resolution of display panels in existing 3D displays compromises spatial and angular resolution as well as viewing angle capabilities. An approach to 3D...
Laser Ophthalmoscopy Provides Full Picture of Eye Disease
TOKYO, Nov. 9, 2021 — For retinal diseases such as diabetic retinopathy (DR), which affect a wide area of the fundus, the interior surface at the back of the eye, it is important for clinicians to be able to examine a broad area of the eye in a single shot. A research...
Nanodiamond-based Phantoms Stabilize Microscope Calibration
URBANA, Ill., Nov. 9, 2021 — Researchers at the Beckman Institute for Advanced Science and Technology at the University of Illinois Urbana-Champaign are using microscopic nanodiamonds to calibrate and assess the performance of high-powered microscopes. The work is poised to...
Doping Process Increases Conductivity, Transparency of Graphene
NEW YORK, Nov. 8, 2021 — An interdisciplinary team of researchers from Columbia University and Sungkyungkwan University (South Korea) has introduced a clean technique to dope graphene via a charge-transfer layer made of low-impurity tungsten oxyselenide (TOS). The team...
Silicon Photonic Chip Boosts Quantum Security
NANJING, China, Nov. 8, 2021 — Researchers from Nanjing University and Sun Yat-sen University developed a quantum communications platform based on a silicon photonic chip with a superconducting nanowire single-photon detector (SNSPD). The chip’s performance enabled the team...
Machine Learning-Based Label-Free Histopathology Device Performs in Real Time
POHANG, South Korea, Nov. 4, 2021 — Researchers from Pohang University of Science and Technology (POSTECH) and Gachon University College of Medicine (South Korea) have developed a device that removes the need for complex procedures such as freezing, sectioning, and staining in...
Ptychography Technique Raises Imaging Throughput
STORRS, Conn., Nov. 3, 2021 — A resolution-enhanced parallel-coded ptychography technique developed by researchers at the University of Connecticut has achieved the highest numerical aperture and throughput to date, compared to previous demonstrations of similar technology. The...
Quantum Microcomb Entangles Optical Fields
CHARLOTTESVILLE, Va., Nov. 3, 2021 — Researchers at the University of Virginia developed a tiny optical frequency comb, or microcomb, that uses two-mode squeezing to create unconditional entanglement between continuous optical fields. The miniature, chip-based device lays the...
Photonic Crystal Microscope Quickly Detects Biomarkers for P-O-C Diagnostics
URBANA, Ill., Nov. 2, 2021 — A compact photonic resonator absorption microscopy (PRAM) instrument, developed by a team at the University of Illinois Urbana-Champaign, provides fast, selective detection of cancer biomarkers for diagnostics at the point of care. The instrument...
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July 2024
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