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Engineers Perform Computational Logic with Optical and Electrical Signals TOKYO, Jan. 16, 2019 — In work that could help advance low-power, high-performance computer chips, researchers at the University of Tokyo and RIKEN have employed UV light and electric fields to perform logic operations with a chemical device. The use of electric fields and light allows for lower power operation and creates less heat than logic operations based on electric charge, the researchers said.
Directed Currents Generated at THz Frequencies Are Higher Than Current Clock Rates BERLIN, Jan. 16, 2019 — Researchers at the Max Born Institute (MBI) generated directed electric currents at terahertz (THz) frequencies from light absorbed in semiconductor crystals. According to the researchers, this is a much higher frequency than the clock rates of...
Three-Photon Microscope Reveals All Cortical Layers of Awake Mouse Brain CAMBRIDGE, Mass., Jan. 15, 2019 — A new three-photon microscope developed at the Picower Institute at the Massachusetts Institute of Technology (MIT) can deliver rapid, short, low-power pulses of light capable of reaching deep targets within the brain without causing functional...
Second Harmonic Generation Imaging Reveals Existence of Second Bandgap in a 2D Structure DAEGU, South Korea, Jan. 12, 2019 — Using time-resolved second harmonic generation (TSHG) microscopy and density functional theory (DFT) calculations, researchers at Daegu Gyeongbuk Institute of Science and Technology (DGIST) have demonstrated the existence of upper bandgap of atomic...
Gravitational Lensing Magnifies Light of Quasar from Extremely Distant Space and Time HILO, Hawaii, Jan. 11, 2019 — Observations from Gemini Observatory have identified a key fingerprint of an extremely distant quasar, allowing astronomers to sample light emitted from the beginning of time. Astronomers happened upon this deep glimpse into space and time thanks to...
Holographic Color Prints Combine Phase and Amplitude Control of Light for Better Optical Security SINGAPORE, Jan. 10, 2019 — A new optical anticounterfeiting device, called “holographic color prints” by its developers at the Singapore University of Technology and Design (SUTD), provides a dual function to increase security and deter counterfeiting. The device creates...
Light Is Dynamically Controlled in a Programmable Electro-Optic System CAMBRIDGE, Mass., Jan. 9, 2019 — An integrated photonics platform that can store light and electrically control its frequency in an integrated circuit is the newest development from the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS). According to the...
Pure Graphene Generates Photocurrent Over Great Distances for Ultra-Efficient Energy Flow RIVERSIDE, Calif., Jan. 8, 2019 — An international research team has discovered a new mechanism for ultra-efficient charge and energy flow in pristine graphene. The team was co-led by professor Nathaniel Gabor from the University of California, Riverside. The researchers fabricated...
Optogenetics Device Could Provide Safe, Stable Way to Treat Bladder Problems ST. LOUIS, Mo., Jan. 7, 2019 — A tiny, implantable device has been created that can detect overactivity in the bladder and use light from biointegrated LEDs to tamp down the urge to urinate. The device has been demonstrated in laboratory rats and could one day be used to treat...
Nanosatellite System Could Lower Cost of High-Resolution Space Imagery BEER-SHEVA, Israel, Jan. 7, 2019 — A new nanosatellite imaging system developed by Ben-Gurion University (BGU) researchers is able to capture images that match the resolution of full-frame, lens-based, or concave mirror systems used on today’s telescopes at far less cost. The...
Researchers Use Light Waves to Study Topological Materials VIENNA, Jan. 5, 2019 — The laws of quantum physics tell us that electrons behave like waves; and in some materials, these electron waves can take on complicated shapes. So-called “topological materials” produce electron states that can be useful, but it is difficult to...
Tunable, Nonlinear Metamaterials Could Facilitate Optical Communication LOWELL, Mass., Jan. 4, 2019 — Scientists from the University of Massachusetts (UMass) Lowell, King’s College London, Paris Diderot University, and the University of Hartford have found that several materials with poor nonlinear characteristics can be combined together to form a...
Microwaveguides Could Speed Control of Light Flux in PICs NIZHNY NOVGOROD, Russia, Jan. 2, 2019 — In order to increase the speed with which photonic integrated circuits (PICs) control light flux, researchers are for new materials with high optical nonlinearity. Among the promising materials are microwaveguides based on graphene, a material in...
Roy J. Glauber, Physicist Who Helped Lay the Foundations of Quantum Optics, Dies at 93 NEWTON, Mass., Jan. 1, 2019 — Roy J. Glauber, Nobel laureate, passed away Dec. 26, 2018, at the age of 93. Glauber was awarded one-half of the 2005 Nobel Prize in Physics “for his contribution to the quantum theory of optical coherence.” Glauber’s prize-winning work centered on...
Laser World of PHOTONICS CHINA 2019 Shanghai, Dec. 31, 2018 — LASER World of PHOTONICS CHINA 2019 will open at Shanghai New International Expo Center on March 20-22, 2019. The trade fair will feature products and services in five areas: lasers and photonics, optics and optical manufacturing, laser production...
Microgears Made from Germanium Generate Twisted Light SOUTHAMPTON, England, Dec. 31, 2018 — Miniature gears made from germanium have demonstrated the ability to generate light that has orbital angular momentum. This new light source could be used to boost the amount of data that can be transmitted through optical computing. Light carries...
Researchers Achieve Strong Optomechanical Coupling of Light and Sound LONDON, Dec. 28, 2018 — A strong coupling regime between light and high-frequency acoustic sound waves was demonstrated by a team from Imperial College London, the University of Oxford, and the National Physical Laboratory. The team’s findings could provide a possible...
Open Source Software Can Model Interactions of Femtosecond Laser Pulses WARSAW, Poland, Dec. 27, 2018 — Hussar software, developed by scientists from the Polish Academy of Sciences’ Institute of Physical Chemistry and the University of Warsaw, can be used to perform the complex computations necessary to mathematically describe the interactions that...
Label-Free System Images Molecular Features of Cancer Tissue in Real Time CHAMPAIGN, Ill., Dec. 27, 2018 — A team at the University of Illinois at Urbana-Champaign has visualized the tumor microenvironment of human breast tissue shortly after it was surgically removed from a patient in the operating room, using a new portable optical imaging system...
Hyperspectral Imager Will Communicate Climate Changes from Space ESPOO, Finland, Dec. 24, 2018 — The photos from a tiny IR hyperspectral camera, taken from aboard a nanosatellite that has now reached space, could provide information useful for managing the effects of climate change. The Reaktor Hello World nanosatellite was launched into space...
IDEX Opens Rochester Facility ROHNERT PARK, Calif., Dec. 22, 2018 — Life sciences and optics technology developer IDEX Health & Science LLC opened its new state-of-the-art facility in Rochester, N.Y., aiming for scalable future growth of its optical components, subsystems, and filters business.
Teledyne to Acquire Scientific Imaging Businesses of Roper Technologies THOUSAND OAKS, Calif., and SARASOTA, Fla., Dec. 21, 2018 — Teledyne Technologies Inc. and Roper Technologies Inc. have entered into an agreement under which Teledyne will acquire the scientific imaging businesses of Roper for $225M in cash. Roper’s scientific imaging businesses include Princeton...
Researchers Film the Ultrafast Conversion of Light into Electricity KIEL, Germany, Dec. 21, 2018 — A team from Kiel University (CAU) filmed the conversion of light energy into a solid — an exchange that takes place in a matter of femtoseconds (fs) — using an ultrafast camera system developed by the researchers. The team was able to observe the...
Mobile Device Detects Parasitic Infections Quickly Using Holographic Analysis and Deep Learning LOS ANGELES, Dec. 21, 2018 — Researchers at the UCLA Henry Samueli School of Engineering have developed an inexpensive, portable platform that can detect motile parasites in bodily fluids rapidly. Using the new platform, more than 3 milliliters (ml) of a bodily fluid sample can...
Cisco Announces Its Intention to Acquire Luxtera Inc. SAN JOSE, Calif., Dec. 20, 2018 — Networking hardware and software company Cisco Systems Inc. has announced its intention to acquire privately held Luxtera Inc., a semiconductor company based in Carlsbad, Calif. that uses silicon photonics to build integrated optics capabilities for...
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