Researchers at the University of Rochester developed an anti-resonant hollow-core fiber that produces significantly less noise compared to traditional single-mode fibers. This breakthrough enables promising platforms for low-noise applications, including quantum information processing and optical communications.
Researchers have developed an approach to create electrically driven nanolasers for integrated circuits, enabling coherent light source design at the nanoscale. This breakthrough could lead to ultrafast optical data transfer and potentially create a 1,000-core processor that is virtually 100 times faster than its counterpart.
Researchers found that full-face readings provide greater accuracy than targeting only the inner canthi region for fever screening with IRTs. The study evaluated over 500 individuals and reported excellent IRT performance with clear correlations to oral temperature baseline data.
Researchers at Skoltech have developed a simple and efficient method to convert silicon wafers into nanoparticles in an aqueous solution, providing a new source of sustainable materials. The process enables controlling particle sizes and has implications for optics, photonics, medicine, and other fields.
Researchers developed a simple, low-cost method to synthesize silver nanoparticles using habanero peppers. The process utilizes the antioxidant properties of the peppers to reduce silver ions, resulting in stable nanoparticles with potential applications in optics, biosensing, and antimicrobial coatings.
Researchers have experimentally observed a 0D corner state in a 3D topological circuit, which is induced by the nontrivial octupole moment of the circuit. The corner state is protected by three anticommuting reflection symmetries and exhibits robustness against certain types of disorder.
Researchers at Case Western Reserve University have developed a new class of metalenses that can be reconfigured using liquid crystals, allowing for the creation of flexible and tunable lenses. This innovation holds promise for revolutionizing optics and enabling new scientific and technological endeavors.
A team of scientists used THz pulses to study the intermolecular motion of liquid water, revealing a hydrogen bond harmonic oscillator model and polarizability anisotropy on sub-picosecond scales. The results provide insights into the transient structure of liquid water and its interaction with solvent molecules.
Researchers developed a new instrument to measure tiny light-evoked deformations in individual rods and cones, offering potential for earlier detection of retinal diseases. The system combines high-speed OCT imaging with adaptive optics technology to capture photoreceptor responses, paving the way for improved diagnosis and treatment.
Researchers developed a new imaging modality for in-development retinal organoids using D-FFOCT, which offers high spatial and temporal resolutions. The technique allows for the creation of highly contrasted images of almost transparent samples without labels, enabling long-term study of sample development.
Researchers have developed a weakly nonlinear waveguide that allows the stable propagation of azimuthons, which can exhibit Rabi oscillation. This technology enables new possibilities for encoding and encrypting optical information, and has potential applications in photonics and other fields.
Researchers used femtosecond laser direct write technology to simulate curved space-time near a black hole. They observed accelerated single-photon wave packets and fermion pairs escaping the black hole, mimicking Hawking radiation. This experiment demonstrates the potential for quantum simulation in studying general relativity.
Researchers at Tokyo University of Agriculture and Technology develop a novel collimator using a specially designed metasurface, enabling efficient manipulation of terahertz waves. This breakthrough has significant implications for next-generation wireless communications, security systems, biomedicine, and cultural heritage science.
A new type of electrochromic display has been developed using zinc-based materials, enabling transparent multicolour switching. The display exhibits reversible colour changes and maintains a semitransparent state with a colour overlay effect that broadens the colour palette.
A novel mechanism for electron optics in two-dimensional solid-state systems has been introduced, allowing for the control of electrons at the scale of micrometers and nanometers. This breakthrough enables the engineering of quantum-optical phenomena in a variety of materials.
A team of researchers has made significant progress in developing a quantum body scanner that can detect cancer with high accuracy. By analyzing the transmission of vector vortex beams through scattering media, they have overcome major hurdles in biomedical imaging. The study's findings suggest that vector vortex beams can preserve the...
Researchers analyzed display technologies, including Mini-LED, Micro-LED, and OLED. They found that mLED/μLED/OLED emissive displays outperform LCDs in dynamic range, motion picture response time, color gamut, and adaptability to flexible and transparent displays.
Researchers developed a technique to modify defect populations in perovskite crystals without chemical additives, enabling the material to act as a memristor device with multiple resistance states. The voltage regulation engineering helps improve optical and electrical properties by passivating deep-level donor-like defects.
Researchers developed an on-chip plasmonic spin-Hall nanograting to detect both phase and polarization singularities of incident beams. The structure directionally couples different positions depending on the polarization and topological charge of the beam, enabling rapid detection with high resolution.
Researchers developed a liquid crystal integrated metalens that can achieve both achromatic and chromatic focusing with a single device. The design overcomes the challenge of chromatic aberration, allowing for improved resolution in full-color and hyperspectral imaging.
Researchers have developed a new system delivering few-ps pulses at 2 μm wavelength with peak power of 17 GW, exceeding previous records. The system features excellent stability and brilliant beam quality, making it suitable for applications in nonlinear optics, spectroscopy, and materials processing.
Researchers developed a smart lens that transmits light to correct optical aberrations, improving image quality in biological samples. The device can be easily installed on commercial microscopes, enabling advanced optical techniques like multiphoton microscopy.
Researchers developed two dermascopes using smartphone-based cameras to image skin lesions, mapping differences between melanoma and erythema. The approach improves efficiency and efficacy of skin-lesion diagnostics with high precision and simplicity.
Researchers have developed a quantum-inspired approach for OCT detection, allowing for high-quality imaging with power levels up to 1 million times lower than current standards. This breakthrough enables safer and more efficient OCT imaging for medical applications.
Sean Shaheen, associate professor at University of Colorado Boulder, takes over as new editor-in-chief of Journal of Photonics for Energy in July 2020. He aims to publish emerging science and technology concepts in photonics for renewable energy harvesting and applications.
Physicists have created a focusing component that converts light into electromagnetic waves, compressing it to 60% of the initial wavelength. This breakthrough allows for densely packing optical components in photonic and plasmonic devices, potentially bypassing fundamental limitations of traditional lenses.
Researchers developed an advanced quantum algorithm for measuring physical quantities using simple optical tools, exceeding the shot noise limit and achieving Heisenberg-limited sensitivity. This breakthrough enables affordable and effective platforms for moderate-scale quantum measurements and computations.
The journal's editorial board selected three papers for best paper awards, showcasing innovative work in interdisciplinary applications, theoretical innovation, and photo-optical instrumentation design. The honorees include a paper on deep-learning-based object detection for monitoring underwater ecosystems and marine debris.
Researchers developed a new approach to build power-efficient and programmable integrated switching units on a silicon photonics chip. The technology enables bulk fabrication of generic optical circuits that can be programmed for specific applications.
Scientists successfully created large-area periodic micro/nanoripple structures on a silicon substrate using femtosecond laser plasmonic lithography, retaining the properties of the graphene material. The process enables enhanced light absorption and photoelectric performance.
Researchers at Hong Kong University of Science and Technology developed an adaptive optics two-photon excitation fluorescence microscopy system for high-resolution in vivo fluorescence imaging of mouse retina. This breakthrough enables detailed study of retinal structures and dynamics, shedding new light on neurodegenerative diseases.
Researchers have developed a magnetic field sensor that can be used in both industry and biomedicine, offering high sensitivity and local interaction with magnetic materials. The sensor was patented last year and has the potential for applications in flaw detection and biomedical fields.
A new literature analysis published in Ophthalmic & Physiological Optics provides a comprehensive review of evidence-based information for managing myopia. The paper discusses various safety and efficacy considerations for behavioral, optical, and pharmaceutical pathways, as well as potential future avenues for myopia management.
Scientists discovered a new phenomenon allowing for three-dimensional RI modification in transparent materials, enabling the fabrication of compact photonic devices. The technology has potential to significantly miniaturize 3D photonics circuits, increasing optical quantum computer capacity.
Researchers have developed a new technique that uses 3D-printed aspherical microlenses to overcome the limitations of traditional microscope objectives. This allows for ultra-long-working-distance spectroscopy, enabling researchers to study single nanometre-sized light emitters without the need for bulky microscopes.
Scientists have developed an all-fiber optical wavelength converter using few-layer gallium selenide (GaSe) nanoflakes, enhancing efficiency by over four orders of magnitude compared to traditional microfibers. The converter can operate in a wide wavelength range, covering C, L telecom bands and the O band, with minimal power consumption.
Researchers used machine learning to enhance metasurfaces, optimizing them for nonlinear optics and optomechanics. The discovery has promising possibilities for photonic devices and applications, including optical sensing and narrowband filtering.
Researchers discovered a potential new method to detect age-related macular degeneration using tetracycline staining and fluorescence lifetime imaging microscopy. Tiny deposits of lipids, proteins, and minerals under the retina can be visualized with this technique, offering enhanced early detection.
Researchers at Berkeley Lab are developing fiber optic sensors to monitor offshore wind operations and underground natural gas storage. These sensors aim to detect issues such as gearbox failure and marine mammal activity, improving the reliability and safety of these systems.
Researchers have developed new technologies to compress 3D camera files and automate focus and exposure settings, making them easier to use. The innovations enable users to obtain high-quality images with minimal training requirements.
The Learning to Synthesize (LS-DNN) approach splits input signals into low and high spatial frequency bands, enabling deep neural networks to process and synthesize them. The algorithm is robust in handling noisy intensity signals, making it suitable for applications like x-rays and sonograms.
The new mirrors use a bimetallic effect to create precise actuation, reducing light loss and increasing detection capabilities. The technology is useful for next-generation detectors and allows the detection of new sources of gravitational waves.
Researchers have developed a nanoscale 4D printing technique that combines nanolithography, microfluidics, and organic chemistry to create synthetic surfaces with precise structures and tailored chemical composition. This technology has potential applications in drug research, biosensor development, and advanced optics.
Researchers have developed a novel planar chiral mirror that preserves the spin of light upon reflection, overcoming limitations of traditional mirrors. This innovation has potential applications in quantum information processing and quantum optics.
The IKBFU scientists have developed a new method for producing diamond x-ray micro lenses, which can withstand high temperatures and radiation loads. The lenses are made using an electron-ion microscope and have exceeded expectations, enabling the study of nanostructures and protein crystals with greater detail.
Researchers from the Institute for Quantum Computing at the University of Waterloo have made a groundbreaking discovery by directly splitting one photon into three. The achievement uses the spontaneous parametric down-conversion method and creates a non-Gaussian state of light, a critical ingredient for gaining a quantum advantage.
Researchers have developed a new type of birefringent modification using ultrafast laser direct writing in silica glass, enabling ultra-low loss spatially variant birefringent optical elements. These elements can be used for high power lasers, visible and UV light sources, and even multiplexed data storage.
Scientists propose a new design that replaces traditional high-n materials with tunable nanolaminate layers to achieve improved performance parameters. The new coating enables larger bandwidth, higher LIDT, and smaller transmission ripples compared to traditional designs.
Researchers at the University of Tyumen developed biomimetic optics that mimic human eye functions, offering excellent adaptation to changing conditions and miniature sizes. The new optics has advantages over traditional technologies, enabling wider range of functional characteristics.
Scientists at the University of Rochester develop a new material that selectively absorbs light only at solar wavelengths, increasing efficiency by 130%. This innovation enhances solar power generation and has potential applications for thermal energy harvesting devices.
Researchers from ORNL and Purdue University successfully design a quantum frequency beam splitter using standard lightwave communications technology, enabling controlled photon interactions. The team also demonstrates a coincidence-basis controlled-NOT gate and completes the first demonstration of a frequency tritter.
New research uses physiological cues, specifically heart rate analysis, to discern between natural humans and computer-generated faces. By extracting pulse-rate signals from video sequences, the authors can classify input faces as either CG or NAT.
Researchers from Immanuel Kant Baltic Federal University used Raman spectroscopy to study the thrombocytes of patients with cardiovascular diseases and compared their spectra with those of healthy people. The study identified differences in spectral intensity that may indicate changes in physical characteristics of thrombocyte membranes.
Physicists have developed a novel detector that precisely determines the oscillation profile of light waves, enabling research on dynamic processes at molecular levels. The new technique allows for real-time investigation of molecule responses to intense light fields.
Scientists have developed a new method to record extremely fast processes using X-ray lasers. By harnessing the random nature of these pulses, they can now create images with precisely controlled parameters. This breakthrough enables the study of non-linear effects and chemical reactions.
Michael Vasilyev, a UTA professor, was recognized as a Fellow of the International Society for Optics and Photonics (SPIE) for his achievements in nonlinear-optical signal processing. He solved the problem of making all-optical regenerators process multiple data channels at once, reducing cost, size, and power consumption.
Researchers at University of Würzburg developed nano antennas that can emit light in a specific direction, enabling efficient data transfer. The antennas use quantum tunnelling to generate vibrations with optical frequencies and are capable of emitting light in a particular direction.
Professor Georg Woltersdorf has been appointed as a Max Planck Fellow to investigate dynamic phenomena in novel electronic materials using optical methods. The research aims to develop ultrafast logic devices and information storage, leveraging expertise from the Max Planck Institute for Microstructure Physics.
Researchers at Princeton University have discovered new rules for how objects absorb and emit light, resolving a decades-old discrepancy between large and small scales. This breakthrough enables scientists to optimize designs mathematically for future applications in technologies like solar panels and quantum computers.
Researchers at IKBFU create novel laser optic manufacturing process utilizing rare-earth metal ions of ytterbium and its oxide, reducing production costs. The new powder can generate powerful red laser radiation and improve image quality in night-vision goggles.