Articles tagged with Photonics
Researchers at Peking University have developed a general nanofabrication strategy for van der Waals materials, allowing for the creation of low-loss and high-performance photonic structures. This enables the demonstration of efficient continuous-wave nonlinear optical processes in vdW microcavities.
Researchers develop fluoride-engineered perovskite nanocrystal glass for high-efficiency, full-color emission and ultra-high-resolution holographic displays. The glass matrix enables stable and efficient photoluminescence of PNCs, driving the creation of high-quality dynamic displays.
Researchers have successfully created a high-efficiency quantum light source that emits bright lights even at room temperature using 2D semiconductors. The achievement is made possible by confining excitons in a tiny region via nanohole-induced confinement and neutralizing excess charges.
Researchers explore new design strategies for metasurfaces and BICs, enabling scalable light control and efficient optoelectronic platforms. These advances have practical implications for applications in lasing, sensing, nonlinear optics, wavefront shaping, and imaging.
By striking a gold nanorod off-center with an electron beam, researchers created rotating circular polarization in light, a property useful for controlling information encoding and transmission. This simple approach could enable new ways to encode, route, and process information using light.
A research team from Tokyo University of Agriculture and Technology has developed a new type of photodetector that achieves impressive responsivity and detectivity. The device uses highly ordered superlattices to overcome the limitations of traditional quantum dot-based photodetectors.
Researchers developed an intelligent monitoring pipe combining optical sensing and machine learning to monitor and predict 3D soil settlement. The system provides precision 3D measurements, capturing dynamic changes in soft or unstable soils like loess.
A new laser source generates a specific type of light source called a frequency comb in the mid-infrared region, paving the way for miniaturization. The device overcomes engineering challenges to produce bright, stable, and compact frequency combs.
Scientists at Chiba University developed a simple method to generate high-quality optical bottle beams that remain concentrated over long distances. The technique uses a binary axicon and a flat multilevel diffractive lens to create sharp light structures.
Hyperbolic localized plasmon resonances were achieved in an anisotropic two-dimensional crystal, enabling tunable optical chirality and potential applications in miniaturized photonic components, spectroscopic sensors, and molecular fingerprinting.
The study measures the temporal duration of individual pulses of bright squeezed vacuum (BSV), a unique quantum state of light. Each BSV pulse lasts just around 27 femtoseconds, placing it firmly in the ultrafast regime.
Researchers from UCSB and UMass Amherst successfully integrated stabilized laser chips with a room temperature trapped ion qubit, enabling compact and portable quantum systems. This breakthrough paves the way for applications in quantum sensing, computing, and fundamental science.
Researchers from the University of Warsaw and other institutions created optical tornadoes by combining spatially variable birefringence with an optical microcavity. This allows for the creation of miniature light sources with complex structures, potentially enabling simpler and more scalable photonic devices.
Researchers from The University of Osaka propose a compact LED design that directly emits circularly polarized light, potentially simplifying optical devices. The new design uses robust inorganic materials and achieves high levels of both efficiency and polarization degree.
Scientists at the University of Warwick have developed a fully fibre-coupled terahertz imaging system that significantly improves the speed and clinical practicality of terahertz imaging. The system delivers near video-rate imaging with high spatial resolution, opening up possibilities for rapid, non-invasive diagnosis.
Researchers have shown that topology can guide multiple, information-carrying light signals through chip-based photonic communication systems, making them more powerful and reliable. This breakthrough could enable the creation of networks of chips that communicate using light while taking advantage of topology's robustness.
Researchers have developed a structure that traps infrared light in a layer just 40 nanometers thick, opening up opportunities for faster and smaller photonic systems. They achieved this by creating a subwavelength grating using molybdenum diselenide, a material with a high refractive index.
Engineers at Harvard create microcombs on photonic chips, enabling compact, programmable frequency combs for precision measurement and telecommunications applications. The breakthrough makes electro-optic microcombs more practical, energy efficient, and diverse.
The photonics technology can detect molecular signals long before symptoms emerge, enabling earlier diagnosis and treatment. The technology uses nanomaterials and photonics to interact with microRNAs and detect cancer signals.
Recent advances in photonic nanomaterials and healthcare devices have led to the development of wearable and implantable medical devices. These devices utilize light for precise manipulation of cells and tissues, offering new possibilities for early disease detection, light-based therapies, and personalized precision medicine.
A team of researchers from SASTRA Deemed University demonstrates a fiber-based method for compressing mid-infrared laser pulses into ultrashort, low-noise bursts efficiently. The system reduces input power from kilowatts to 80 watts, improving energy efficiency and thermal stability.
Researchers optimize interferometric diffusing wave spectroscopy technique to boost weak optical field returning from the brain, achieving over 20x signal to noise ratio. The novel approach provides higher brain sensitivity compared to DCS-inspired approaches and is approximately two orders of magnitude less expensive.
MIT researchers have developed a new photonic device that efficiently beams light into free space, enabling advanced displays, high-speed optical communications, and larger-scale quantum computers. The device uses an array of microscopic structures to project detailed, full-color images and precisely control quantum bits, paving the wa...
Researchers at Politecnico di Milano and CNR have developed a new ultrafast computer technology controlled by light, potentially hundreds of times faster than traditional electronics. The technology manipulates the state of electrons in matter using oscillating light, enabling operations at rates above 10 terahertz.
The Hebrew University team designed an adiabatic transition to convert multiple few-mode sources into a single multimode fiber, enabling efficient combining of dozens of small semiconductor lasers. The technology simplifies high-power laser systems and optical communications, preserving brightness and easing alignment constraints.
Scientists at the University of Sydney have developed an ultra-compact AI chip that harnesses the power of light to perform calculations, potentially lowering energy consumption and increasing speed. The prototype, built in-house, achieved 90-99% classification accuracy in image classification tasks.
Researchers developed photonic computing chips that enable fast, all-optical learning and decision making, overcoming key limitations for photonic spiking neural systems. The new chips could improve autonomous driving technologies and enable robotic systems that learn through real-world interactions.
Scientists developed a photonic crystal light sail with high reflectivity and low mass, enabling faster travel across the solar system. The structure features a narrow photonic band gap centered at the propulsion wavelength, resulting in high reflectivity within that spectral window.
Electrical engineers at Duke University have developed the fastest pyroelectric photodetector, capable of capturing light from the entire electromagnetic spectrum. The device requires no external power and operates at room temperature, making it suitable for on-chip applications and multispectral cameras.
This study reveals that a femtosecond laser can induce a rise in electronic temperature, transiently blocking optical absorption and enabling multicolor modulation from a single material platform. The discovery opens a new pathway toward ultrafast, broadband, and energy-efficient photonic devices.
The Ateneo de Manila University's ROSES Lab is the country's first facility for designing Photonic Integrated Circuits and training PIC designers. The lab has over 85 scientific publications and support from various global partners, positioning it as a driver of international collaboration in photonics research and innovation.
Researchers developed a simple and reversible method for forming crystals using light-sensitive molecules, allowing for precise control over particle attraction and repulsion. This enables the creation of adaptable materials with tunable properties, such as reconfigurable optical coatings and adaptive sensors.
Researchers at the University of Colorado Boulder have developed high-performing optical microresonators that can trap light and build up its intensity. By guiding light smoothly through the resonator, they dramatically reduced light loss, allowing photons to circulate longer and interact more strongly inside the device.
Researchers at Harvard John A. Paulson School of Engineering and Applied Sciences have discovered a new way to generate ultra-precise, evenly spaced laser light combs on a photonic chip. This breakthrough could miniaturize optical platforms like spectroscopic sensors or communication systems.
The Harvard team developed a new microfabrication method to produce high-performance, curved optical mirrors with extremely smooth surfaces. The mirrors can control light at near-infrared wavelengths, enabling fast and efficient quantum networking.
Roberto Morandotti, a world-renowned physicist at INRS, has received the Max Born Award for his breakthroughs in integrated quantum photonics, nonlinear optics, and ultrafast lasers. His work bridges quantum theory with experimental innovation, enabling next-generation optical and quantum technologies.
The SUANPAN architecture proposes a novel approach to optical inner product computation, leveraging an array of emitter-detector pairs to perform linear vector operations. This scalable and reconfigurable design enables high-dimensional vector computations without requiring large-scale ADC or DAC arrays.
Researchers at Technical University of Denmark developed a groundbreaking nanolaser that can halve a computer's energy consumption. This technology has the potential to revolutionize various industries, including information technology and healthcare, by enabling ultra-small and energy-efficient lasers.
Researchers demonstrate programmable spinor lattice on a photonic integrated circuit, enabling non-Abelian physics and topological quantum computing. They propose novel topological physical phenomena that differ from previous implementations.
Researchers develop a rigid organic crystal that emits red light under UV irradiation through excimer formation and generates green light through second harmonic generation under near-infrared exposure. The dual-mode optical behavior operates independently within the same crystal without interference.
Researchers have developed a long, needle-thin brain electrode with channels that enables neural signal recording and precisely targeted medication delivery across different brain regions. The technology has primarily been developed for basic research but may be important for future treatments in epilepsy and other neurological diseases.
Researchers create ultra-coherent and efficient photonic integrated circuits by extending optical fiber's ultralow loss performance to silicon wafers. This breakthrough paves the way for precision measurements, AI data-center communications, and quantum computing applications.
A new optical amplifier developed at Stanford University can intensify light signals up to 100 times with minimal power loss. The device's efficiency allows it to be powered by a battery, enabling its potential use in smartphones and laptops.
Five IIT researchers receive Proof-of-Concept grants to develop innovative health technologies, including a smart microscope and edible pills. These projects aim to tackle cancer, dyslexia, and diagnostics with cutting-edge technologies like quantum computing and near-infrared photonic chips.
Researchers develop versatile molecular platform to synthesize multiple functionalized carbon nanohoops, exhibiting high circularly polarized luminescence and other advanced photophysical properties. The breakthrough method enables multi-site functionalization and creation of chiral nanohoops with remarkable optical performance.
Scientists have developed a novel method to control the optical spectra of single-nanoparticle plasmons, enabling high-quality plasmonic hotspots in individual metal nanoparticles. By engineering the photonic substrate beneath the particle, researchers can reshape the electromagnetic environment and dramatically sharpen plasmon resonan...
Researchers achieved hybrid spin-orbit coupling-driven optical spin Hall effect in organic microcavities, offering a new approach for polarization-preserving components and spin-photonic functionality. The system provides more than one 'topological' spin texture within a single device, accessible by adjusting momentum.
Researchers at Sandia National Laboratories have successfully employed artificial intelligence labmates to improve the control of LED lights, leading to a fourfold increase in steering efficiency. The AI platform uses a combination of machine learning and equation-learning techniques to optimize experiments and achieve new insights int...
Researchers at MIT have developed a faster and more energy-efficient method for cooling trapped ions using photonic chips. This approach achieved cooling to about 10 times below the limit of standard laser cooling, opening up new possibilities for quantum computing systems with greater efficiency and stability.
Dr. Michael Davis, an astrophysicist at Southwest Research Institute, has been recognized by SPIE as a Fellow for his work on space instruments and UV imaging. He is the optics and detector scientist for NASA's Lunar Reconnaissance Orbiter and Juno mission to Jupiter.
Researchers at Stanford University have created a flexible material that can change color and texture like an octopus in a matter of seconds, with patterns finer than a human hair. The material uses electron-beam patterning to control topography and visual properties at the nanoscale, opening up opportunities for dynamic camouflage, we...
Researchers have discovered a new method for generating highly stable and precise microwave signals through self-induced superradiant masing. This phenomenon produces long-lived bursts of microwave emission without external driving, paving the way for technological advances in fields like medicine, navigation, and quantum communication.
Researchers reviewed recent advances and perspectives of TFLN-based detectors, outlining physical mechanisms for photodetection and implementation schemes. Direct material modification techniques expand the photodetection mechanism and application scope of lithium niobate materials.
The Advanced Photonics Young Innovator Award honors outstanding papers published in SPIE-CLP's journal over the past five years. Seven recipients are celebrated for their diverse range of innovative research, which shapes the future of optics and photonics.
Researchers have generated a 19.2-attosecond soft X-ray pulse, creating a camera capable of capturing elusive electron dynamics in unprecedented detail. This breakthrough enables direct observation of processes driving photovoltaics, catalysis, and emerging quantum devices.
Researchers from TU Delft and Radboud University discovered CuInP₂S₆ (CIPS), a two-dimensional ferroelectric material, can control the pathway and properties of blue and ultraviolet light. CIPS shows giant birefringence in the blue-UV range, making it a potential game-changer for photonics applications.
A team of scientists from the University of Amsterdam developed a nanoscale material that can reflect different colors of light depending on its stretching. The material's structure determines its color, allowing it to change smoothly from green to yellow and red.
A new study found that tin-perovskite solar cells have significantly lower ion density and degrade five times slower than lead-based cells. The tin material also exhibits excellent stability during operation, paving the way for developing innovative thin-film solar cells.
Researchers introduce a new nanoscale optical device made of molybdenum diselenide that entangles the spin of photons and electrons, enabling quantum communication. The technology has the potential to create low-cost, low-energy quantum components for secure data transmission.
Researchers at the University of Oxford have discovered an approach to electrically switch organic LEDs to emit either left- or right-handed circularly polarized light. This could lead to new applications in displays, secure communication systems, and quantum technologies.