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RESEARCH & TECHNOLOGY NEWS
Injectable Biosensor Converts Brain Activities to Detectable Optical Signals WASHINGTON, D.C., July 30, 2021 — Technology for monitoring neuronal activity noninvasively could allow scientists to study the brain without the need for surgery or implanted devices. The newly developed nanotechnology, called NeuroSWARM3 by its inventors at the University of California, Santa Cruz (UCSC), could even provide a bridge to more effective communication and interaction for those who are physically challenged. “NeuroSWARM3 can convert thoughts (brain signals) to remotely measurable signals for
Octave-Spanning Combs Developed in Aluminum Nitride Resonator DUBLIN, July 30, 2021 — Collaborators from Ireland and China have demonstrated a method to develop an octave-spanning coherent optical comb with a much lower pump power compared with other techniques that require complicated controlling equipment. The photonic system...
Plasma Coating Tech Alleviates Indium Reliance for Dimming SYDNEY, July 29, 2021 — Researchers from the University of Sydney have developed a low-cost, sustainable, and readily available technology that can dim the screens of electronic devices, antireflection automobile mirrors, and smart architectural windows at a fraction of...
Custom Near-Field Nanoscopy Tool Images Materials at Nanoscale CAMBRIDGE, Mass., July 28, 2021 — A near-field infrared (IR) nanoscope and spectroscope, custom built by a research team at MIT, can quickly and economically probe the characteristics of diverse materials at the nanoscale. Also known as a scattering-type scanning near-field optical...
Nanostructures Allow High Harmonic Generation with Pulsed Lasers ITHACA, N.Y., July 27, 2021 — Cornell University researchers have developed nanostructures that enable record-breaking conversion of laser pulses into high-harmonic generation. The work paves the way for new scientific tools for high-resolution imaging as well as the study of...
On-Demand Optical Singularities Strengthen Range of Applications CAMBRIDGE, Mass., July 26, 2021 — A group led by Federico Capasso at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) has broadened the study of optical singularities to include to zero-dimensional (point) and 2D (sheet) optical singularities. The group...
Tunable Approach to Structural Color Powers Displays, Cuts Energy LINKÖPING, Sweden, July 26, 2021 — Researchers at Linköping University have discovered a way to generate structural color that could potentially be applied to the manufacture of low-cost, energy-efficient displays and electronic labels. The method uses monochromic conducting...
Researchers Break Record for Long-Distance Broadband Data Transmission over 4-Core Optical Fiber TOKYO, July 22, 2021 — A research team led by Benjamin J. Puttnam at the National Institute of Information and Communications Technology (NICT) reported that it transmitted data over a distance of more than 3000 km (1860 miles) at a rate of 319 Tbit/s and a transmission...
Giant Terawatt Laser Takes Aim at Lightning Strikes from Atop Swiss Alps DITZINGEN, Germany, July 21, 2021 — TRUMPF reports that the first experiments in the EU Laser Lightning Rod (LLR) project, in collaboration with the University of Geneva, are complete. The project uses an experimental high-repetition terawatt laser that the collaborators have placed...
Stable Coordination Nanosheets Enable Efficient Light-Energy Conversion TOKYO, July 20, 2021 — A multi-institutional collaboration has developed coordination nanosheets (CONASHs) that have demonstrated the highest stability under air exposure reported to date, the researchers claimed. The work may find use in optoelectronic applications;...
Yale Team Produces Memory from Speckle Patterns NEW HAVEN, Conn., July 20, 2021 — Researchers at Yale University have developed a way to significantly increase the memory of speckle patterns, the very complex patterns that result from shining a laser light onto an opaque sheet, such as paper, biological tissue, or fog. The method...
High-Efficiency PICs Accelerate Telecom Speeds to 40 Tbit/s Duesseldorf, Germany, July 20, 2021 — Using multiple wavelengths to deliver information — all on a single PIC — collaborators from Dublin-based Pilot Photonics and the European photonics innovation incubator ACTPHAST 4.0 have found a way to pack more data into existing...
Optical Power Limiter Pushes Attack-Proof Quantum Communication Forward SINGAPORE, July 19, 2021 — Researchers from the National University of Singapore (NUS) developed two methods to enable quantum key distribution (QKD) communications to avoid side-channel attacks — instances in which attackers exploit weaknesses in the setup of the...
Miniature Telescope Could Improve Lidar Performance, Advance Planar Optics ORLANDO, Fla., July 16, 2021 — A University of Central Florida (UCF) team led by professor Shin-Tson Wu has developed a device made with cascaded liquid crystal (LC) flat optical elements, called a miniature planar telescope, that allows efficient, wide-angle, high-precision...
Method Measures Loss of Signal in Far-Infrared Instruments UTRECHT, Netherlands, July 15, 2021 — Scientists from SRON and TU Delft have developed a method to measure the signal loss in far-infrared instruments, designing a signal-carrying so-called microstrip for DESHIMA-2, a far-infrared instrument for the Atacama Submillimeter Telescope...
CMOS-Compatible Spectrotemporal Compressor Could Support Ultrafast Optical Signal Processing SINGAPORE, July 14, 2021 — Researchers at the Singapore University of Technology and Design (SUTD), the A*STAR Institute of Microelectronics, and MIT have developed an all-optical spectrotemporal pulse compression system. The system, which is built on a CMOS-compatible...
Inverted Material Design Brings Reflective Screen into Focus GOTHENBURG, Sweden, July 14, 2021 — Tungsten trioxide is the core material in a new type of reflective screen — sometimes described as “electronic paper” — that offers optimal color display and uses ambient light to keep energy consumption to a minimum. The new...
Team Develops Largest-of-Its-Kind Quantum Simulator CAMBRIDGE, Mass., July 14, 2021 — A team of physicists from the Harvard-MIT Center for Ultracold Atoms and other universities has developed a special type of quantum computer known as a programmable quantum simulator capable of operating with 256 quantum bits, or...
Cranial Windows Allow Simultaneous Imaging of the Brain’s Different Regions WASHINGTON, D.C., July 13, 2021 — Researchers from Tsinghua University have developed a way to image multiple areas of the brain at the same time, both on the brain’s surface and deep inside the brain. Since brain processes often span multiple regions of the brain, researchers...
Opto-Refrigerative Tweezers Overcome a Hot Problem AUSTIN, Texas, July 12, 2021 — A tweak to optical tweezer technology introduced by researchers at the University of Texas at Austin fixes the problem of heat that affects the tool. The prolonged interaction with the laser beam can alter molecules and particles or damage them with...
Three Imaging Techniques Augment Brain Imaging Precision CHAMPAIGN, Ill., July 12, 2021 — Researchers from the University of Illinois Urbana-Champaign, working with domestic and international collaborators, have combined three imaging techniques to detect the timing and location of brain responses to a stimulus. The researchers said the...
Collaboration Gives Laser System Control to the Cloud AACHEN, Germany, July 8, 2021 — A data center-based system to control and monitor industrial processes has been introduced by a team at RWTH Aachen University, in cooperation with Fraunhofer ILT. The concept for the system is based on a project for controlling laser systems...
Wearable Sensor Measures Light Emission on Skin to Monitor Tissue Oxygenation WASHINGTON, D.C., July 8, 2021 — Researchers have combined an oxygen-sensing film and machine learning to create a wearable sensor capable of measuring tissue oxygenation through a person’s skin. Developed by researchers at the Wellman Center for Photomedicine at...
NIST’s Comb Systems Measure All Primary Greenhouse Gases in the Air GAITHERSBURG, Md., July 7, 2021 — National Institute of Standards and Technology (NIST) researchers upgraded their laser frequency-comb instrument to simultaneously measure nitrous oxide, carbon dioxide, water vapor, and the major air pollutants ozone and carbon monoxide. The NIST...
Photoswitchable Molecule Gives Scientists Light-Based Control of Changes in Brain States BARCELONA, Spain, July 6, 2021 — A team of scientists in Spain has directly photomodulated brain-state transitions in vivo using a photoswitchable molecule that was developed previously by researchers at the Institute for Bioengineering of Catalonia (IBEC). By applying a...
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