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Research & Technology News
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 “qubits.” According to lead author Sepehr Ebadi, a graduate student at Harvard University, it is the combination of the system’s unprecedented size and programmability that puts it at the cutting edge of the race for a quantum computer. The
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...
3 Combined Techniques Boost 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...
Opto-Refrigerative Tweezers Overcome Heat Damage to Particles
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...
Cloud-based Software Controls Laser Systems
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...
Researchers Control Brain States Via Photoswitchable Molecule
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...
Laser, Microcomb Integrated on Single Scalable Chip
SANTA BARBARA, Calif., July 5, 2021 — A collaboration between John Bowers from the University of California, Santa Barbara (UCSB) and Tobias J. Kippenberg from École Polytechnique Fédérale de Lausanne (EPFL) has yielded an integrated on-chip semiconductor laser and...
Lens-Free Fluorescence Microscope to Achieve High Throughput, Resolution
LEUVEN, Belgium, July 5, 2021 — A fluorescence microscope being developed by imec researchers will be able to achieve high throughput and high resolution, without a lens component. The technology could significantly speed up next-generation DNA sequencing and cellular research, as...
Algorithms Offer Improved Color Correction
HANGZHOU, China, July 2, 2021 — A set of algorithms developed at Westlake University in China enable devices to record and display colors in digital images in a more realistic way. The approach could improve today's commercially available displays and enhance the sense of reality...
CEA-Leti Names CEO
GRENOBLE, France, July 1, 2021 — The technology research institute CEA-Leti named Sebastien Dauvé CEO, effective July 1. Dauvé succeeds Emmanuel Sabonnadière, who had served as CEO since November 2017. Dauvé joined CEA-Leti in 2003. In 2016 he became...
Novel Metasurface Enables Unprecedented Laser Control
CAMBRIDGE, Mass., July 1, 2021 — Harvard researchers have introduced a single metasurface that can effectively tune the different properties of laser light, including wavelength, without additional optical components. The metasurface can split light into multiple beams and control...
Thin-Film GaAs Photovoltaic Cell Achieves Record Efficiency
FREIBURG IM BREISGAU, Germany, June 30, 2021 — Researchers at Fraunhofer Institute for Solar Energy Systems ISE have achieved a conversion efficiency of 68.9% for a III-V semiconductor photovoltaic cell based on gallium arsenide (GaAs) exposed to laser light of 858 nm. The mark is reportedly the...
Algorithm Helps Autonomous Vehicles to Recognize Terrain in All Seasons
PASADENA, Calif., June 29, 2021 — An algorithm developed at Caltech enables autonomous vehicles to determine their location simply by looking at the terrain around them. For the first time, the technology works regardless of season, its developers said. The general process around...
Parallel Reactors Unveil the Secrets of Soliton Molecules
ERLANGEN, Germany, June 29, 2021 — A team of scientists at the Max Planck Institute for the Science of Light has developed a platform called a parallel optical-soliton reactor, which can host massively dynamic events of soliton molecules. The parallel reactors resemble chemical...
POC Device Pairs Optics, Ultrasound to Improve Thyroid Screening
CASTELLDEFELS, Spain, June 29, 2021 — An EU-funded development project for detecting thyroid cancer has produced an optical device that could give doctors a reliable, low-cost way to determine whether a thyroid nodule is malignant or benign. The five-year project, named Laser and...
Flow Cytometer Operates on Microfluidic Platform, Sorts Cells into Subgroups
EXETER, England, June 28, 2021 — Scientists from the University of Exeter’s Living Systems Institute have developed a flow cytometer that can move individual cells between “virtually” separate microfluidic channels — thereby exposing them to a substance that...
Polarization Enables High-Speed Spectroscopy Measurements
TAMPERE, Finland, June 28, 2021 — Researchers at Tampere University and their collaborators have shown how the speed of spectroscopic measurements can be made much faster. By correlating polarization to the color of a pulsed laser, the researchers tracked changes in the spectrum of...
Daily-Use Light Source Converts IR to Blue Light for Sterilization, Disinfection
OSAKA, Japan, June 25, 2021 — A microcavity device that converts infrared (IR) radiation into blue light could enable safe, daily use of deep ultraviolet (DUV) light for disinfection and sterilization. The device was developed by a research group from Osaka University and was...
Storage Life Extended for Room-Temperature Qubits
COPENHAGEN, Denmark, June 25, 2021 — Researchers at the University of Copenhagen have demonstrated a method for storing qubits at room temperature for a duration that is hundreds of times longer than has been achieved with previous approaches. The method takes a new approach to the...
Liquid Crystal Metalens Enables Electric Zoom
ITHACA, N.Y., June 24, 2021 — A metalens developed by researchers from Cornell University and Samsung Advanced Institute of Technology can be focused using voltage rather than by mechanically moving its components. The lens, a proof of concept, is the first of its kind, the...
Searchable Additive Manufacturing Database to Link Components, Projects
SAN ANTONIO, June 24, 2021 — Southwest Research Institute (SwRI) will create a searchable database of additive manufacturing projects and components. The project is supported by funding from America Makes, a Manufacturing USA and Department of Defense innovation institute with...
Laser-Driven Semiconductor Switch Pushes Speed Capabilities of Next-Generation Communications
LIVERMORE, Calif., June 23, 2021 — A laser-driven semiconductor switch design can theoretically achieve speeds and voltages higher than existing photoconductive devices — potentially enabling communication speeds beyond 5G if the switch were to be miniaturized and incorporated...
Cold-Atom Source Brings Portable Quantum Devices Closer to Reality
WASHINGTON, D.C., June 22, 2021 — A high-flux and compact cold-atom source with low power consumption developed by an Oxford University-led research group is poised to enable devices such as space-based atomic clocks, improving quantum applications for communication and navigation....
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