Researchers construct a gallium nitride optical microcavity with high reflectivity distributed Bragg reflectors to double the frequency of incoming light, which may be utilized for a safe and practical deep UV light source with bactericidal effects
Tag: OPTICS
Near-field routing of hyperbolic metamaterials
Flexible control of the propagating direction of near-field light can be realized with hyperbolic metamaterials, using an all-electric metasource
Researchers create switchable mirrors from liquid metal
Approach could be used to create electrically controlled mirrors for art or advanced devices
Touchless technology could enable early detection and treatment of eye diseases that cause blindness
A non-contact laser imaging system could help doctors diagnose and treat eye diseases that cause blindness much earlier than is now possible. The new technology, developed by engineering researchers at the University of Waterloo, is designed to detect telltale signs…
Florida Python Hunters May Have a New Tool Thanks to Optics Research at UCF
Special small, mobile cameras help detect more snakes and could lead to an automated python tracker.
Say goodbye to your camera bump: uOttawa researchers miniaturize optics by discovering counterpart to lens
The concept of “spaceplate” is a new avenue for manipulating light that could lead to paper thin cameras, telescopes
Observing quantum coherence from photons scattered in free-space
Quantum coherence is a key ingredient in many fundamental tests and applications of quantum technology including quantum communication, imaging, computing, sensing and metrology. However, the transfer of quantum coherence in free-space has so far been limited to direct line-of-sight channels…
Researchers use transoceanic fiber link for geophysical sensing
Technique could enable study of previously inaccessible ocean depths and provide early warning for tsunamis and earthquakes
Novel compound reveals fundamental properties of smallest carbon nanotubes
Chemical rings of carbon and hydrogen atoms curve to form relatively stable structures capable of conducting electricity and more — but how do these curved systems change when new components are introduced? Researchers based in Japan found that, with just…
A new approach will help save X-ray studies from failing results
A new approach will help save X-ray studies from failing results due to the peculiarities of single-crystal X-ray optics
X-ray Scanner Spots Cancers and Analyzes Drugs in Minutes
New technology could speed cancer diagnosis, ensure surgeons remove 100% of a tumor and inspect drugs for dangerous chemicals
Researchers tame silicon to interact with light for next-generation microelectronics
Skoltech researchers and their colleagues from RAS Institute for Physics of Microstructures, Lobachevsky State University of Nizhny Novgorod, ITMO University, Lomonosov Moscow State University, and A.M. Prokhorov General Physics Institute have found a way to increase photoluminescence in silicon, the…
Researchers take quantum encryption out of the lab
Field trial shows simple QKD system works with existing telecommunication network in Italy
Australian researchers create quantum microscope that can see the impossible
In a major scientific leap, University of Queensland researchers have created a quantum microscope that can reveal biological structures that would otherwise be impossible to see. This paves the way for applications in biotechnology, and could extend far beyond this…
CooperVision presents expansive ocular research during 2021 BCLA Virtual Conference
Company’s commitment to evidence-based eye health development demonstrated by more than 20 papers and posters
‘Camouflage breakers’ can find a target in less than a second
After looking for just one-twentieth of a second, experts in camouflage breaking can accurately detect not only that something is hidden in a scene, but precisely identify the camouflaged target, a skill set that can mean the difference between life…
Femtosecond spectroscopy and first-principles calculations shed light on compositional dependence of
Researchers from Skoltech and Ludwig Maximilians-Universität (LMU) in Germany have studied the fundamental properties of halide perovskite nanocrystals, a promising class of optoelectronic materials. Using a combination of theory and experiment, they were able to show and explain an intricate…
Infrared imaging leaves invasive pythons nowhere to hide
New method makes it easier to spot pythons without relying on thermal contrast
OFC 2021 Opens with the Innovations and Solutions to Address Ever-increasing Data Demand
WASHINGTON — The much-anticipated annual event in the industry, OFC, is underway with technical programming, special events and technology showcases spanning the optical fiber communications ecosystem. This year’s OFC, being held in all-virtual format 06 – 11 June 2021, welcomes…
Atom swapping could lead to ultra-bright, flexible next generation LEDs
An international group of researchers has developed a new technique that could be used to make more efficient low-cost light-emitting materials which are flexible and can be printed using ink-jet techniques. The researchers, led by the University of Cambridge and…
Optical Advances help enable 800 gigabit ethernet
Lasers capable of transmitting signals at 224 gigabits per second, enough to achieve 800 gigabit ethernet
New form of silicon could enable next-gen electronic and energy devices
Novel crystalline form of silicon could potentially be used to create next-generation electronic and energy devices
3D printed micro-optics for quantum technology
Quantum computing and quantum communication are believed to be the future of information technology. In order to achieve the challenging and long-standing goal to make secure, wide-spread quantum communication networks a reality, high-brightness single-photon sources are indispensable. Single-photon emission from…
Quantum-optically integrated light cage on a chip
In the rapidly growing field of hybrid quantum photonics, the realization of miniaturized, integrated quantum-optical systems with intense light-matter interaction is of great importance for both fundamental and applied research. In particular, the development of methods for reliably generating, controlling,…
OFC 2021 connects industry to game-changing technologies
Short courses, special events, the rump session, dynamic plenary and more will draw participants from around the world
Xiaosheng Zhang receives 2021 Corning Outstanding Student Paper Competition Grand Prize
Prize recipient’s research presented at the Optical Fiber Communication Conference and Exhibition (OFC)
Entangled quantum memories for a quantum repeater: A step closer to the Quantum Internet
* ICFO researchers report in Nature on having achieved, for the first time, entanglement of two multimode quantum memories located in different labs separated by 10 meters, and heralded by a photon at the telecommunication wavelength. * The scientists implemented…
New nanoparticle design paves way for improved detection of tumors
Nano-sized particles have been engineered in a new way to improve detection of tumors within the body and in biopsy tissue, a research team in Sweden reports. The advance could enable identifying early stage tumors with lower doses of radiation.…
Three scholars awarded 2021 Women in Optical Communications scholarships
Initiative of OSA Foundation and Corning designed to advance gender diversity in the industry
Printing a better microgrid
New research shows particle-free silver microgrid outperforms other flexible high-performance transparent electrodes
USTC constructs a multiplexed quantum repeater based on absorptive quantum memories
Chinese researchers realized an elementary link of a quantum repeater based on absorptive quantum memories (QMs) and demonstrated the multiplexed quantum repeater for the first time. On June 2nd?the work is published in Nature . The fundamental task of a…
Proton’s travel route in polymers could lead the way to clean fuels
Researchers explore proton transport in thin film polymers containing various concentrations of an organic acid group found in biomaterials
A novel nitrogen-doped dual-emission carbon dots as an effective fluorescent probe for ratiometric detection dopamine
How to construct the dual emission nitrogen-doped carbon dots (CDs) by a simple method? Professor Lili Ren with her collaborators proposed a new strategy to prepare such materials which were used to the detection of dopamine. The traditional ratiometric fluorescence…
Baylor study uses candy-like models to make STEM accessible to visually impaired students
Baylor researchers, led by Bryan Shaw, found oral tactile visualization of complex 3D structures to be as accurate as eyesight
Researchers build structured, multi-part nanocrystals with super light-emitting properties
Researchers have combined two or three types of nanoparticles to produce new materials with structures known as superlattices. In some instances, the structures display fundamental new properties such as superfluorescence. The researchers’ discovery is reported in the journal Nature.
New microscopy method reaches deeper into the living brain
Imaging method poised to bring new insight into how the brain works in health and disease
Reaping the benefits of noise
AMOLF scientists unravel noise-assisted signal amplification in systems with memory
Suppressing meta-holographic artifacts by laser coherence tuning
Metasurface holograms (meta-holograms) are ultra-thin artificial surfaces designed to shape incident light and project it to extremely wide angles. Meta-holograms have opened up numerous possibilities such as light multiplexing, information processing, 3D display, high-density data storage, and optical encoding. Despite…
Industry leaders to discuss groundbreaking innovations at the OSA 5G Summit 13 – 14 July 2021
Luminaries to join panels exploring the 5G landscape
Odd angles make for strong spin-spin coupling
Rice physicists’ RAMBO reveals magnetic phenomenon useful for quantum simulation and sensing
AI spots neurons better than human experts
Deep learning-based algorithm can potentially improve diagnosis of eye and brain diseases
Data from smartwatches can help predict clinical blood test results
Long-term data gathered from wearables can quicky indicate illness and other abnormalities in a patient’s health
Machine learning platform identifies activated neurons in real-time
Streamlined AI immediately and accurately maps activated neurons to help learn how the brain works
Scientists to present new findings on atoms, molecules, and optics
Quantum choreography, ultraprecise clocks, memory boosters, and related research will debut at the 2021 DAMOP Annual Meeting
Candid cosmos: eROSITA cameras set benchmark for astronomical imaging
An overview and performance assessment of the seven cameras of eROSITA, a space x-ray telescope launched in 2019
Holograms increase solar energy yield
A newly developed holographic light collector boosts solar panel efficiency for an energy conversion increase of approximately five percent over the course of a year
OFC 2021 to showcase products in telecom and data center optics in enhanced exhibition
Global organizations driving digital transformation, data-center connectivity, 5G, Internet of Things (IoT), co-packaged optics and more, to demonstrate new products and services
Building a better LED bulb
UH researchers’ new prototype LED lightbulb emits less of that troublesome blue light
Green light on gold atoms
Because individual atoms or molecules are 100 to 1000 times smaller than the wavelength of visible light, it is notoriously difficult to collect information about their dynamics, especially when they are embedded within larger structures. In an effort to circumvent…
New nondestructive broadband imager is the next step towards advanced technology
One of the key aspects of academic and industrial research today is non-destructive imaging, a technique in which an object or sample is imaged (using light) without causing any damage to it. Often, such imaging techniques are crucial to ensuring…