Articles tagged with Photonics
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.
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.
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.
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.
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.
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.
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.
Researchers introduced a method to make photonic circuits more adaptable without sacrificing compatibility, enabling the creation of practical photonic quantum neural networks. The approach achieved a classification accuracy above 92 percent in experimental tests, demonstrating its potential.
The new system can reveal early cancers, lung disease, hidden material defects and changes in porosity without multiple exposures or complex mechanical movement. This method produces low-dose and faster images, lowering patients' radiation dose and making clinical translation feasible.
A new €4.4 million EU-funded doctoral network, HiPOVor, aims to establish optical vortex beams as a key technology for advanced light-matter interaction. The project will train 15 doctoral researchers in generating and applying high-power optical vortex beams.
McMaster and Pittsburgh researchers have developed a soft material that can perform a NAND logic operation using only three beams of visible light. The breakthrough paves the way for autonomous systems with computation capabilities without traditional electronics.
Researchers at Purdue University have achieved a long-sought milestone by controlling light with light itself at the most fundamental level using single photons. The discovery could enable photonic computing and revolutionize data centers, optical communications, and data transfer systems.
A research team at CUNY and UT Austin discovered a way to control dark excitons, highly promising for quantum information and advanced photonic applications. They amplified light emission by 300,000 times, making them visible and controllable.
Researchers have demonstrated a record-breaking 430 terabits per second (Tb/s) optical transmission using a novel approach that triples the capacity of standard-compliant cutoff-shifted optical fibers. The technology offers high throughput with reduced complexity, while utilizing existing optical fiber infrastructure.
The researchers developed a chromatic filtration strategy to narrow the emission spectrum of mechanoluminescent materials, resulting in high spectral resolution and reduced noise. The new technology has significant potential for applications such as wearable sensors and healthcare motion monitoring.
Researchers at Columbia University School of Engineering and Applied Science have discovered that a thin-film metallic resistor used to thermally tune photonic devices can also measure temperature. This finding may help integrated photonics reach its full potential by eliminating the need for bulky external temperature sensors.
A new technology developed by Fibarcode uses photonic fibers to create unique codes that can be scanned to verify a garment's fabric content and designer labels. The technology has the potential to increase recycling rates and prevent counterfeiting.
Researchers at UCR have discovered a way to break salt-water bonds using high-frequency ultraviolet light, offering a non-photothermal alternative to traditional solar desalination systems. The breakthrough could reduce the need for energy-intensive saltwater treatment and address concentrated brine waste.
Researchers propose IncepHoloRGB, a lightweight unsupervised CGH model generating high-definition RGB holograms through a unified framework. The model combines depth-traced superimposition and Inception sampling block to enhance computing efficiency and visual impression.
Researchers reviewed novel photonics breakthroughs of 2024, focusing on coupling free electrons with nonlinear optical states in integrated photonic microresonators. This enables ultrafast electron-beam modulation and novel research opportunities for electron imaging and spectroscopy.
Aston University researcher Dr Aleksandr Donodin has received £625,000 to explore fibre-optic networks and reduce power consumption in data centers. The project aims to cut power consumption by 30–50% per bit, enabling faster data transmission rates.
Researchers at Sun Yat-sen University create a new method for fabricating ultra-uniform surface structures with features as small as 46 nanometers. The technique uses a carefully tuned femtosecond laser under water immersion, overcoming the challenge of creating uniform nanostructures smaller than 100 nanometers.
By studying how atoms interact with each other and with light, researchers have found that direct atom–atom interactions can strengthen collective bursts of light known as superradiance. This discovery could lead to breakthroughs in quantum technologies such as quantum batteries and precision sensors.
Wiley has acquired Nanophotonics, a top-ranked open-access journal in Optics & Photonics. The acquisition enhances Wiley's impact portfolio covering physics, engineering, and materials science, focusing on emerging photonics applications.
Researchers at Columbia University have developed a way to create powerful frequency combs on a single chip, allowing for dozens of parallel data streams. This breakthrough enables compact and cost-effective solutions for data centers, portable spectrometers, and other applications.
Scientists create flexible surface plasmonic waveguides that maintain efficient signal transmission even when stretched, bent, or twisted. The new design enables wearable materials to seamlessly integrate advanced sensing and communication functions.
Scientists have developed a programmable electronic circuit that harnesses high-frequency electromagnetic waves to perform complex parallel processing at light-speed. This breakthrough has the potential to power next-generation wireless networks, real-time radar, and advanced monitoring in various industries.
Aarhus University researchers have developed a transparent layer with silver nanorings that adapts to sunlight intensity, controlling heat entry through glass without dimming the view. The thermoplasmonic effect reduces near-infrared transmission, lowering cooling demand and CO₂ emissions in energy-efficient buildings.
The researchers have successfully demonstrated a four-dimensional QKD system with high efficiency and low measurement error rates. This breakthrough enables secure data transmission over long distances, with potential applications in fields such as finance and government.
A new photodiode design using germanium-ion-implanted silicon overcomes trade-offs in existing power monitors for on-chip light monitoring, enabling faster processing speeds and higher energy efficiency. The device demonstrates high responsivity and low dark current, making it suitable for integration into photonic circuits.
A new paper in Science reports proven quantum advantage, where entangled light lets researchers learn a system's noise with very few measurements. The experiment cuts the number of measurements needed by an enormous factor, from 20 million years to just 15 minutes.
Scientists at OIST use advanced spectroscopy to track the evolution of dark excitons, overcoming the fundamental challenge of accessing these elusive particles. The findings lay the foundation for dark valleytronics as a field, with potential applications in quantum information technologies.
A wearable device called a-Heal optimizes each stage of the wound healing process using AI and bioelectronics, delivering medication or an electric field for personalized treatment. Initial preclinical results show the device speeds up the healing process by 25% compared to standard care.
Researchers have developed a novel approach to control Dirac plasmon polaritons in topological insulator metaelements, enabling tunable terahertz optical devices with lower energy loss and enhanced performance.
A strong-confinement low-index rib-loaded waveguide structure enables efficient light propagation and high electro-optic coupling in TE polarization, opening up new ways for fast proof-of-concept demonstration. The structure achieved a 3-dB bandwidth beyond 110 GHz and a voltage-length product of 2.26 V·cm.