Articles tagged with Nanophotonics
Engineers at Rice University have discovered a way to manipulate light at the nanoscale that surpasses the traditional Moss rule for optical materials. The researchers found that iron pyrite has a high refractive index, making it suitable for applications such as virtual reality and 3D displays.
A team from Harvard John A. Paulson School of Engineering and Applied Sciences has developed an electro-optic frequency comb that is 100-times more efficient and has more than twice the bandwidth of previous state-of-the-art versions.
Researchers have developed a method to generate and control mid-infrared hyperbolic polariton vortices at the nanoscale, enabling new opportunities for super-resolution sensing, imaging, and communication systems. The study uses hexagonal boron nitride as a host material and achieves broad reconfigurability of topological charges.
Researchers demonstrate a new platform for guiding compressed mid-infrared light waves in ultra-thin van der Waals crystals, enabling strong light-matter interactions and improved detection limits. The use of atomically-smooth gold crystals provides a low-loss environment for the propagation of phonon-polaritons.
A team of researchers at Osaka University measured the photovoltaic properties of antimony sulfiodide:sulfide devices and discovered a novel effect. They found that changing the color of incident light from visible to ultraviolet induced a reversible change in output voltage, while leaving current unchanged.
Scientists have created a new technology that can manipulate light in non-reciprocal ways, allowing for more advanced applications in quantum computing. The innovation uses nanostructured surfaces to convert infrared light into visible light, enabling the creation of specific photon conditions.
Researchers at Harvard John A. Paulson School of Engineering and Applied Sciences have developed a single-material diamond mirror that withstood a 10-kilowatt Navy laser without damage. The mirror's unique nanostructure design makes it 98.9% reflective, potentially enabling more robust high-power lasers for various applications.
Harvard researchers have successfully integrated a high-power laser onto a lithium niobate chip, a major breakthrough in the development of high-performance chip-scale optical systems. The integration enables the creation of fully integrated spectrometers, optical remote sensing, and efficient frequency conversion for quantum networks.
Scientists at EPFL have created strained crystalline nanomechanical resonators with ultralow dissipation, enabling the creation of high-purity quantum states. These nanostrings could be used as precision force-sensors, taking advantage of interactions such as radiation pressure and magnetic fields.
Researchers at MIT have improved the efficiency of scintillators by up to tenfold and potentially even a hundredfold by creating nanoscale configurations. This could lead to better medical diagnostic X-rays, reduced dose exposure, and improved image quality.
Prof. Tingyi Gu from the University of Delaware has received a $500,000 DARPA Young Faculty Award to improve the power efficiency of digital communications. Her research focuses on manipulating light direction to create more energy-efficient photonic systems.
Researchers at the University of Cambridge have developed a new concept for detecting infrared light by converting it into visible light, easily detectable by modern cameras. This innovation enables the detection of mid-infrared light using molecular frequency upconversion with dual-wavelength hybrid nanoantennas.
Scientists at Chalmers University of Technology discovered a way to create a stable resonator using two parallel gold flakes in a salty aqueous solution. The structure can be manipulated and used as a chamber for investigating materials and their behavior, with potential applications in physics, biosensors, and nanorobotics.
On-chip frequency shifters in the gigahertz range enable precise color shifting for high-speed optical communication. This innovation has significant implications for the development of quantum computers and future network infrastructure.
Researchers at POSTECH demonstrate experimental demonstration of negative refraction at visible frequency for the first time, achieving high-resolution images beyond diffraction limit. The study uses a vertical hyperbolic metamaterial to exhibit negative refraction in entire visible domain, overcoming limitations of conventional materi...
Researchers at Pohang University of Science & Technology have demonstrated optical-wave signal amplification and cancellation using optically driven acoustic waves on a silicon chip. This achievement paves the way for new applications in signal processing, sensing, and nanostructures.
Researchers at the University of Rochester have generated an incredibly large bandwidth using a thin-film nanophotonic device, overcoming limitations of existing devices. The breakthrough could advance metrology, sensing, and quantum networks.
Researchers at Harvard John A. Paulson School of Engineering and Applied Sciences developed a metasurface using ultra-deep holes to focus light to a single spot, achieving a record-breaking aspect ratio of nearly 30:1. This breakthrough enables the creation of large achromatic metalenses with diverse color control capabilities.
Physicists at the University of Bath have found a way to reveal the forbidden colours of light in twisted nanoparticles, opening up new possibilities for emerging nanotechnologies. This discovery has implications for communications, nanorobotics and ultra-thin optical components.
A new approach to generating quantum-entangled photon pairs uses nonlinear metasurfaces to enhance and tailor photon emissions. The researchers achieved a five-order-of-magnitude increase in the brightness of entangled photons, with a highly configurable platform that can control entanglement and direction.
Researchers at George Washington University have created a nanophotonic analog processor capable of solving partial differential equations. The processor can process arbitrary inputs at the speed of light and is integrated at chip-scale.
Biophotonic probes utilize biological entities for sensitive detection of biological signals and precise imaging of cellular structures. Optical waveguides play a crucial role in transporting light into deep tissues, while biolenses enable noninvasive screening tools for blood-related disorders.
Researchers at Harvard SEAS have demonstrated a new way to control polarized light using metasurfaces, enabling holographic images with an unlimited number of polarization states and manipulation in virtually infinite directions. This advancement could lead to applications in imaging, microscopes, displays, and astronomy.
Researchers have explored the limits of light-matter coupling at the nanoscale, discovering a fundamental physical limit to subwavelength confinement. The study reveals that as light is concentrated into smaller volumes, its interaction with matter changes in ways that cannot be predicted by classical theories.
Researchers at Pohang University of Science & Technology (POSTECH) have developed a revolutionary LiDAR device the size of a finger using nanophotonics-based technology. The device can be used in autonomous vehicles, intelligent robots, drones, and augmented reality platforms.
The event presents new research and innovations in photonics, including interactive sessions on nanophotonics, imaging, quantum research, and metalenses. Registration is free and open to the public.
Researchers integrate nanodiamonds into nanophotonic circuits, controlling individual photons and spin states, enabling high-sensitivity magnetic field sensors and new applications in quantum technologies.
Scientists at the University of Huddersfield and the Zepler Institute will create ultra-accurate nanoscale sensors, enabling automated production lines to detect and correct errors in situ. This project aims to accelerate Industry 4.0 development by delivering greater efficiency and cost savings.
Researchers created nanophotonic cavities in a nanopatterned InGaAsP membrane, exhibiting photonic analogue of valley-Hall effect. The structure supports quantized spectrum of modes confined to the domain wall, enabling topologically controlled ultrathin light sources.
Researchers developed SPINS, an inverse design codebase that automates the search for optimal optical and photonic structures. This enables faster design optimization and opens new possibilities for integrated photonics, including photonic neural networks and metasurface optics.
Researchers have developed a new type of processor called PAXEL, which uses light to speed up computation and increase efficiency. This approach has potential applications in areas such as fog computing, medical testing, and biodefense.
Researchers at Purdue University have successfully created a quantum spin wave for light that only flows in one direction. This breakthrough has significant implications for future nanotechnologies, enabling information to be transmitted securely and efficiently.
A UTA research team is working with the Army Research Laboratory to develop nanophotonic devices that can capture and release light in the longwave infrared spectral region. These devices have potential applications in thermal imaging, medical diagnostics, chemical analyses, and environmental monitoring.
Weidong Zhou aims to develop energy-efficient lasers using nanophotonic cavities and nanostructured materials, enabling faster data transmission and sensing applications. His research explores carrier dynamics and quantum dots to achieve maximum efficiency.
Researchers at the University of Queensland have developed an ultra-sensitive ultrasound sensor on a silicon chip, revolutionizing medical devices and unmanned vehicle navigation. The technology can detect miniscule forces from surrounding air molecules, opening doors to new biomedical imaging and biological system understanding.
Researchers at RMIT University have developed a new nanophotonic device that can encode and process data using twisted light beams, increasing bandwidth by up to 100 times. This technology has the potential to revolutionize optical communications and quantum computing research.
Researchers have developed a new class of endoscopic imaging catheters that overcome the limitations of current systems, achieving higher resolution and functionality. The nano-optic endoscope incorporates metalenses into its design, enabling high-resolution imaging at extended depth of focus without complex optical components.
Researchers at NRL have developed a method to reduce optical losses in hexagonal boron nitride devices, enabling more efficient lasers and nanoscale optics. This breakthrough has significant applications for ultra-high resolution microscopes, solar energy harvesting, optical computing, and targeted medical therapies.
The University of Texas at Arlington has received a $498,981 equipment grant to upgrade its ability to send and receive encrypted high-speed data securely through optical cables. This technology will enable researchers to perform high-speed coherent communications and signal processing experiments with both optical and electronic signals.
A team of MIT researchers has developed a new approach to deep learning computations using light instead of electricity, potentially improving speed and efficiency for certain applications. The new programmable nanophotonic processor uses multiple light beams to carry out complex calculations with zero energy and near-instant results.
Weidong Zhou is developing a high-power semiconductor laser that is compact, efficient and power-scalable. The goal of this project is to address the challenges associated with scaling laser power towards kilo- and mega-watts level while maintaining excellent beam quality, high-energy efficiency and compact size.
Researchers at UPV and NUP-UPNA develop a new invisibility cloak that can make objects invisible in diffusive environments, such as fog or cloudy water. The device uses transformation optics to manipulate light and conceal the object from view.
Researchers developed a theory to predict noise caused by amplifying photonic and plasmonic signals in nanoscale optoelectronic circuits. This prediction can help evaluate ultimate data transfer rates and discover fundamental limitations on bandwidth of nanophotonic interfaces.
Scientists at NIST have developed a miniaturized device to convert photons between frequencies, addressing two critical problems in quantum communication. The new device consumes low power and produces minimal noise, making it suitable for future experiments with single-photon sources.
Researchers at RMIT University have created a breakthrough chip that enables unparalleled control over the angular momentum of light, paving the way for next-generation optical technologies. The discovery could lead to new applications in ultra-high definition display, optical communication, and ultra-secure encryption.
Researchers have predicted the existence of fermionic matter in a novel one-dimensional liquid state, which cannot be described within existing models. This new state is similar to both fermionic liquids and Tomonaga-Luttinger liquids but has distinct properties that set it apart.
Physicists at the University of Rochester have created a silicon nanocavity that allows light to be trapped for nanoseconds. The innovative design approach mimics evolutionary biology and achieves a 10-fold improvement on previous performances.
The Center for Nano-Optics at Georgia State University aims to develop tools and instruments for nanoscale technology, with potential breakthroughs in biomedicine and computer processing. The center will focus on integrating spaser technology into transistors and developing nanoplasmonic metal funnels.
The Stevens team uses holographic lithography to create uniform arrays of metallic nanostructures, enabling the production of high-quality, large-scale plasmonic nanogap arrays. This breakthrough technique reduces costs and infrastructure, paving the way for applications in miniaturized photonic circuits and ultrasensitive sensing.
Naomi Halas, a renowned nano-optics expert, has been awarded a $3 million grant by the Department of Defense for her research on engineered nanophotonics. This breakthrough work could lead to innovations in super-efficient solar power collectors and next-generation camouflage.
Naomi Halas, a leading researcher in nanophotonics, has been honored with the Research Excellence Award for her innovative work on nanoparticle synthesis and its applications in biotechnology. Her invention of nanoshells has shown tunable optical properties, making them suitable for various medical applications.
Researchers at Rice University's Laboratory for Nanophotonics have created nanoeggs, asymmetric particles that focus light on small regions of space. These nanoeggs can be tuned to interact with more wavelengths of light than their nanoshell cousins, making them suitable for applications in molecular imaging and medical diagnostics.
Researchers at Rice University have created nanoparticles called nanostars, which exhibit strong spectral signals and can be used to discern the three-dimensional orientation of molecules. This discovery has significant potential for 3D molecular sensing applications.
The Rice nanophotonics lab has been awarded a $3 million NSF grant to train graduate students in the emerging field of nano-optics. The program aims to create leaders with technical and professional skills needed for breakthroughs in advanced technologies, including biomedicine, environmental remediation, and homeland security.