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Plasmonic Antennas Could Deliver Ultrafast Pulses for THz Electronics
MUNICH, Germany, June 28, 2018 — In an experiment that combined the advantages of femtosecond nanophotonics with on-chip communications, researchers generated ultrashort electric pulses on a chip using metal structures (i.e., antennas) only a few nanometers in size, then ran the signals a few millimeters above the surface. The signals were then read out in a controlled manner. The researchers demonstrated that femtosecond optical pulses in the NIR could drive electronic on-chip circuits with a prospective bandwidth of
Stealth Sheet Conceals Hot Objects from IR
MADISON, Wis., June 27, 2018 — An ultrathin cloaking material has been developed that can hide hot objects, such as human bodies and military vehicles, from IR cameras. The new “stealth sheet” is <1 m thick and absorbs approximately 94 percent of the IR light it...
Superresolution Microscopy Enhances DNA Nanostructures
MUNICH, Germany, June 26, 2018 — A method of superresolution microscopy, called DNA-PAINT, allows all of the strands within DNA-based nanostructures to be visualized individually, with a high degree of spatial resolution. Using DNA-PAINT, researchers can directly visualize all...
Carbon Nanotubes Emerge as Potential Quantum Light Sources
LOS ALAMOS, N.M., June 25, 2018 — Researchers report on the potential of carbon nanotubes as single-photon emitters for quantum information processing. A team at Los Alamos National Laboratory (LANL) is collaborating with colleagues at CNRS (The French National Center for Scientific...
Freeform Optics Design Approach Uses Starting-Point Geometries
ROCHESTER, N.Y., June 25, 2018 — Researchers have developed a step-by-step design method for determining which freeform surfaces will work best in a given configuration. The new method, which combines theory and practice, could eliminate the time-consuming, expensive process of...
Nanolaser Inspired by Nature Changes Colors Like a Chameleon
EVANSTON, Ill., June 22, 2018 — A new nanolaser, with a design inspired by nature, can change color using the same nanomechanics that a chameleon uses. A chameleon changes color by controlling the spacing of nanocrystals on its skin. The nanolaser exploits periodic arrays of metal...
Research and Industry Partner to Commercialize Silicon Photonics in Finland
ESPOO and TAMPERE, Finland, June 22, 2018 — VTT Technical Research Center and Tampere University of Technology (TUT) are accelerating the development and commercialization of silicon photonics products in support of the Finnish electronics industry. The VTT-led project, called RAPSI (Ramping...
Solid-State Optical Cryocooler Refrigerates an IR Sensor to 135 K
ALBUQUERQUE and LOS ALAMOS, N.M., June 22, 2018 — Researchers have demonstrated an all-solid-state optical cryocooler. The structure, which according to researchers is the first demonstration of laser cooling of a payload connected to a cooling crystal, could serve as a baseline for future optical...
Optics and Photonics Tech Transfer Programs Merge Industry and Research
SAN JOSE, Calif., June 20, 2018 — Technology Transfer Programs are often a concerted effort to share skills, knowledge, technologies, methods of manufacturing, samples of manufacturing, and facilities among governments or universities and other institutions. These programs ensure...
Optogenetics Shapes Tissue to Reconstruct Epithelial Folding
HEIDELBERG, Germany, June 19, 2018 — Using optogenetics, researchers have guided the folding and shaping (morphogenesis) of tissues and cells. Researchers at the European Molecular Biology Laboratory (EMBL) used precise light-mediated control of protein activity in biological tissues...
Frequency-Stable Laser Enhances Optical Satellite Navigation
BERLIN, June 19, 2018 — Scientists report that an active optical frequency reference based on molecular iodine was successfully tested for the first time in space. Results of the JOKARUS experiment (German acronym for iodine comb resonator under weightlessness) could be a...
Guide to Building Biointerfaces to Photostimulate Neurons, Tissues, Limbs Developed
CHICAGO, June 18, 2018 — Researchers have devised design principles for building silicon-based interfaces for light-induced biological processes that do not use genetic modification. The design principles quantify and differentiate the capacitive, Faradaic and thermal...
Low-Cost Monolithic Fabrication of f-VLEDs Could Boost Adoption of MicroLEDs
DAEJEON, South Korea, June 18, 2018 — A low-cost production technology for thin-film blue flexible vertical micro LEDs (f-VLEDs) could help advance the commercialization of micro LEDs in flexible displays and for bilateral visual communication in the Internet of Things. A research team...
Researchers Devise Exciton Scaling Rule for Optoelectronics Design
HOUSTON and LOS ALAMOS, N.M., June 15, 2018 — Scientists have created a scale by which labs can determine the binding energy of excitons, and thus their bandgap structures, in perovskite quantum wells of any thickness. The findings were based on a study of excitons trapped in quantum wells made...
Optical Probes Allow Ultrafast, High-Resolution Imaging of Dopamine Activity
DAVIS, Calif., June 15, 2018 — Fluorescent sensors that optically record dopamine activity in the brains of behaving mice could help facilitate the discovery of therapeutics for depression and addiction. The technology precisely captures where and when dopamine activity occurs in...
Luminate NY Accepting Applications for Round II
Rochester, N.Y., June 14, 2018 — Gov. Andrew M. Cuomo today announced that the world's largest business accelerator for startup firms in the optics, photonics, and imaging industries (OPI), Luminate NY, is accepting applications for Round II of the competition. The Luminate NY...
BIG Bell Test Results Published
BARCELONA, Spain, June 14, 2018 — Results have been published from a set of first-of-its-kind quantum physics experiments, known as the BIG Bell Test, which took place on Nov. 30, 2016. Led by the Institute of Photonic Sciences (ICFO), the BIG Bell Test recruited 100,000...
Precision Optical Components Fabricated by Inkjet Printing
NEUCHÂTEL, Switzerland, June 14, 2018 — Researchers at the Swiss Center for Electronics and Microtechnology (CSEM) have developed an inkjet printing technique that can be used to print optical components, such as waveguides. The printing approach can also fabricate electronics and...
3D Printed Metals Shown to Be Both Strong and Ductile
BIRMINGHAM, England, June 13, 2018 — Most mechanisms used for strengthening crystalline materials lead to the reduction of ductility. Selective laser melting produces a stainless steel with both significantly enhanced strength and ductility. A joint research team from the University of...
Robotic Work Cell Conducts High-Throughput Testing in an Instant
ALBUQUERQUE, N.M., June 13, 2018 — A commercial robot has been developed that conducts high-throughput testing to determine the performance and properties of a manufactured part. Sandia National Laboratories designed and built the Alinstante — a six-sided work cell, similar to...
New Approach Contains Light, Protects It from Defects
STATE COLLEGE, Pa., June 11, 2018 — Researchers have found a way to confine light so that it is insensitive to imperfections in the material that confines it. The new approach is based on “topological protection,” a concept used extensively in solid-state electronic...
Point-of-Use Power Meter Can Monitor High-Power Lasers in Real Time
BOULDER, Colo., June 11, 2018 — A high-accuracy point-of-use laser power meter, in the form of a folding mirror called the Smart Mirror, could make in situ, real-time measurement of laser power possible. Unlike most traditional meters, the Smart Mirror is compact, fast, and can...
Photonic-Phononic Waveguides Used to Create Brillouin Laser
NEW HAVEN, Conn., June 8, 2018 — A laser that uses sound waves to amplify light could help address the need for silicon lasers that can overcome obstacles associated with silicon’s indirect bandgap when powering photonic integrated circuits. The laser design, created by a...
Study Shows How Quantum Magnets Mimic Emergent Light
OKINAWA, Japan, and VILLIGEN, Switzerland, June 8, 2018 — A theory about the quantum properties of magnets forms the basis for a hypothesis about emergent light. Several years ago, researchers from the Okinawa Institute of Science and Technology (OIST) predicted a characteristic signature that could signal...
Stereolithographic Bioprinting Device Creates Biological Tissue
LOS ANGELES, June 7, 2018 — A stereolithography-based bioprinting platform for building therapeutic biomaterials from multiple materials could help advance on-demand printing of artificial tissues for regenerative medicine. The platform uses a specially adapted 3D printer that...

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