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In-Plane Electroluminescent Technology Could Improve LEDs for Displays and Wearables DAEGU, South Korea, April 6, 2020 — Luminescence technology developed at Daegu Gyeongbuk Institute of Science and Technology (DGIST), using an in-plane electric field generated in parallel to the light-emitting layer of an LED, could help improve the efficiency of light-emitting elements used in billboards and banners. According to the research team, the LEDs produced this way emit light in a more flexible, stable way than conventional LEDs. To transmit energy to their light-emitting layer, existing LEDs use a coplanar
Researchers Demonstrate Microwave-Optical Entanglement via Mechanical Interface COPENHAGEN, April 3, 2020 — Using lasers, researchers at the Niels Bohr Institute at the University of Copenhagen have developed a way to entangle electromagnetic fields from microwave radiation and optical beams. Creating entanglement between microwave and optical fields...
Working Remotely? Dial In to a Photonics Media Webinar PITTSFIELD, Mass., April 1, 2020 — As the days grow longer, so does our spring webinar schedule. This spring, there will be many opportunities to learn about the latest advancements and applications in photonics while you work at home. Optics, biophotonics, machine vision, and...
Researchers Develop High-Efficiency Laser for Silicon Chips JULICH, Germany, March 27, 2020 — Scientists from Forschungszentrum Jülich are one step closer to integrating lasers directly on silicon chips, allowing data to be transferred more quickly. Together with researchers from Centre de Nanosciences et de Nanotechnologies (C2N) in...
Super-Planckian Thermal Radiation Emitted From Photonic Crystal at Optical Wavelengths TROY, N.Y., March 23, 2020 — Since the late 19th century, scientists have understood that, when heated, all materials emit light in a predictable spectrum of wavelengths. But a material that appears to exceed the limits set by Planck’s law has been experimentally...
Atomic-Scale Imaging Reveals Strength Capabilities of Thin Film MINNEAPOLIS, March 18, 2020 — Researchers at the University of Minnesota have used high-resolution TEM microscopy to image the atomic structure of ultrathin zeolite nanosheets, which are used by industries as specialized molecular filters. The researchers observed...
SPIE Cancels DCS In-Person Conference, COVID-19 Leads to Surge in Online Conferences PITTSFIELD, Mass., March 17, 2020 — SPIE has announced that it is canceling the in-person format of April’s Defense + Commercial Sensing Conference and moving online in the wake of increased coronavirus awareness. With WHO officially declaring COVID-19 a pandemic, several optics...
Light and Heat Create New Biocompatible Microparticles DURHAM, N.C., March 16, 2020 — Using light and heat, researchers at Duke University developed a technique for manufacturing biocompatible microparticles for potential use in drug delivery, diagnostics, and tissue engineering. According to research scientist Stefan Roberts, the...
Butterfly Wing Nanostructures Achieve Ultrablack in Ultrathin Structures DURHAM, N.C., March 13, 2020 — A team at Duke University is studying butterflies with wings that are 10 to 100 times darker than everyday black objects. As little as 0.06% of the light that hits the ultrablack butterfly wings is reflected back to the eye. This percentage is close...
ETH Researchers Demonstrate 5-Meter-Long Microwave Quantum Link ZURICH, March 12, 2020 — In the future, quantum links will connect clusters of quantum computers to form a local network. These links will need to support quantum mechanical superposition states (states that contain the logical values 0 and 1 at the same time). The longest...
Topology Protects Light Propagation in Photonic Crystal AMSTERDAM, March 10, 2020 — A team from the research institute AMOLF and Delft University of Technology (TU Delft) observed light propagation within a photonic crystal without the usual distortion caused by reflections. Because the crystal consists of two parts, each with a...
Optical Defects as Sources of Quantum Light STANFORD, Calif., March 6, 2020 — Researchers at Stanford University are investigating light-emitting defects in materials that could someday enable quantum-based technologies. Once understood, these defects could be controlled and potentially provide bright, on-demand, predictable...
Metasurface-Based Contact Lenses Could Correct Red-Green Color Blindness TEL AVIV, Israel, March 6, 2020 — A custom contact lens could offer a convenient way to help people who experience color blindness. Researchers at Tel Aviv University (TAU) embedded large-scale, plasmonic metasurfaces into off-the-shelf contact lenses and studied the ability of the...
In FET Open Project, Researchers Chart Course for Bio-LEDs GRAZ, Austria, March 5, 2020 — Scientists at Graz University of Technology (TU Graz) are working with research teams from Spain and Italy on environmentally friendly, inexpensive LEDs. The Graz team, led by Gustav Oberdorfer, is designing proteins with the help of simulation...
Terahertz Field Stabilizes Surface State of Topological Materials AMES, Iowa, March 4, 2020 — Some topological materials are insulators in their bulk form but possess electron-conducting behavior on their surfaces. The contrast in the behavior of these surface electrons is promising for future applications but challenging to control....
Tiny Micromotor Powered by Light WARSAW, Poland, March 3, 2020 — Researchers at the University of Warsaw’s Faculty of Physics collaborated with researchers from the Polish Academy of Science and Xi’an Jiaotong-Liverpool University to demonstrate a rotary micromotor powered with light using liquid...
2D Material Takes on Chirality of Circularly Polarized Light CAMBRIDGE, Mass., March 2, 2020 — Physicists at MIT have uncovered a new way to test whether or not a material is chiral, and have also found a way to enhance the overall chirality in a large piece of material. The material they used, titanium diselenide (TiSe2), is a...
2D Materials Integrated with Silicon Photonics Manipulate Light Phase at Low Loss NEW YORK, March 2, 2020 — A Columbia University team used a 2D material from the transition metal dichalcogenide (TMD) class to control the phase of light without changing its amplitude or depleting its power. By placing the atomically thin material on top of passive silicon...
Organic Nanomaterials and Metal Particles Could Mean Better Batteries BUSAN, South Korea, Feb. 28, 2020 — Researchers from the National Korea Maritime and Ocean University have developed a method for adding metals to organic materials that they claim is simple, safe, and cost-effective. The method will allow the production of sodium-ion batteries, an...
Weeklong Bootcamp Provides Hands-On Experience in Integrated Photonics CAMBRIDGE, Mass., Feb. 27, 2020 — A January weeklong integrated photonics bootcamp, offered by MIT as part of its work with the manufacturing institute AIM Photonics, provided students with the opportunity to solve problems using lab equipment to test passive photonic chips,...
Optics, Chemistry, and Materials Researchers Use Light to Manipulate Light PITTSBURGH, Feb. 26, 2020 — Researchers from the University of Pittsburgh’s Swanson School of Engineering, Harvard University, and McMaster University have revealed a hydrogel that can respond to optical stimuli and modify the stimuli in response. A convergence of...
QD Solar Cells Realize 16.6% Power Conversion Efficiency BRISBANE, Australia, Feb. 25, 2020 — Researchers at the University of Queensland (UQ) are harnessing the properties of quantum dots (QDs) to make solar cells that capture a wider range of light for energy, are more stable in their energy production, and can be applied to curved...
Printable Photodiodes Could Be Used for Visible Light Communication KARLSRUHE, Germany, Feb. 24, 2020 — A team at Karlsruhe Institute of Technology (KIT) has demonstrated a multichannel visible light communication system based on an organic photodetector array capable of demultiplexing optical signals without the need for additional optical filters....
Sensor Uses Quantum Entanglement to Detect Magnetic Excitation TOKYO, Feb. 21, 2020 — Using the principle of quantum entanglement, scientists at the University of Tokyo’s Research Center for Advanced Science and Technology (RCAST) demonstrated the coupling of a millimeter-size magnetic sphere with a sensor and showed that the...
2D Material Structures Can Emit Customized Light in Desired Color GENEVA, Feb. 21, 2020 — Some atomically thin 2D materials can emit customizable light in the color desired when the materials are combined together to create an “artificial semiconductor.” The discovery, made by researchers at the University of Geneva (UNIGE)...
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