Articles tagged with Nanophotonics
Researchers have created a new imaging technique that uses the nanostructures found on butterfly wings to analyze cancerous tissues, providing a simpler and more accessible tool for cancer diagnosis. The method has shown comparable results to conventional staining methods and advanced imaging techniques, offering a stain-free alternative.
Naomi Halas' work has pioneered new insights into how light and matter interact at the smallest scales, leading to discoveries in biomedical applications such as cancer therapy and water purification. Her research on plasmonic catalysts could dramatically reduce energy required for chemical reactions.
Scientists have discovered luminescent nanocrystals that can quickly toggle between light and dark states, enabling faster and more efficient computing. This breakthrough could advance artificial intelligence and information technologies by reducing energy consumption and improving data processing.
A new technology developed by researchers from UPV, BUPT, CAS Institute, Air Force Early Warning Academy and University of Ottawa improves the accuracy of radars and LiDAR systems by up to 14 times, enabling faster and more accurate navigation in autonomous vehicles and detailed environmental studies.
Optical cooling has been elusive due to challenges in reaching high emission efficiency, but researchers shed light on the phenomenon using a stable 'dots-in-crystal' material. The study demonstrated true optical cooling with a theoretical cooling limit of approximately 10 K from room temperature.
The inaugural workshop at Rice University's Center for Nanoscale Imaging Sciences brought together leading experts to explore advancements in cutting-edge imaging techniques. The event integrated diverse imaging modalities to uncover new insights into biological and materials systems.
Researchers developed a tiny device that creates radially polarized photons at room temperature, improving the efficiency of devices using structured light. The breakthrough enables advancements in communication and optical technology, paving the way for new possibilities in secure communication and quantum applications.
Researchers at the University of Birmingham have developed a new theory that explains how light and matter interact at the quantum level. The theory enables scientists to precisely define the shape of a single photon for the first time.
A €9.3 million project will develop AI-powered nanoparticles with complex shapes to specifically bind to biological targets, reducing trial and error in design. The technology has potential applications in disease treatment and advanced communication systems.
Osaka University researchers develop a new method for long-range enhancement of fluorescence and Raman signals using Ag nanoislands protected with column-structured silica layers. This leads to an astonishing ten-million-fold increase in signal strength, making it ideal for sensitive biosensing applications.
Compressed Ultra-Compact Femtosecond Photography (CUF) uses a super-dispersive metalens to capture transient events in a single image, overcoming conventional CUP technology's limitations. The system achieves ultrafast imaging at hundreds of trillions of frames per second with improved compactness and reliability.
Researchers at KAIST have developed a Janus metasurface capable of controlling asymmetric light transmission, enabling the creation of two independent optical systems with a single device. This technology also enables optical encryption by generating different images depending on the direction and polarization state of incoming light.
Scientists at Chalmers University of Technology have successfully combined nonlinear and high-index nanophotonics in a single nanoobject, creating a disk-like structure with unique optical properties. The discovery has great potential for developing efficient and compact nonlinear optical devices.
Researchers have developed a new engineering approach to on-chip light sources, enabling the widespread adoption of photonic chips in consumer electronics. The innovation involves growing high-quality multi-quantum well nanowires using a novel facet engineering approach, which enables precise control over the diameter and length of the...
Researchers developed a new 2D quantum sensing chip using hexagonal boron nitride that can simultaneously detect temperature anomalies and magnetic fields in any direction. The chip is significantly thinner than current quantum technology for magnetometry, enabling cheaper and more versatile sensors.
Researchers at the University of Melbourne have developed a compact, high-efficiency metasurface-enabled solenoid beam that can draw particles toward it. The technology has the potential to reduce pain and trauma associated with current biopsy methods.
The team achieves nanofabrication of nanostructures buried deep inside silicon wafers, enabling sub-wavelength and multi-dimensional control directly inside the material. The breakthrough opens up new possibilities for developing nano-scale systems with unique architectures.
Researchers have developed a new way to measure incredibly minute forces at the nanoscale in water, pushing the boundaries of what scientists know about the microscopic world. The technique, known as super-resolved photonic force microscopy (SRPFM), can detect forces as small as 108.2 attonewtons.
Scientists developed a miniaturized micro-spectrometer to detect multiple toxic and greenhouse gases, offering increased control over individual exposure. The technology uses machine learning and metasurface spectral filter arrays to create a compact sensor that can be integrated into wearable devices.
Researchers at TMOS have developed a new infrared filter thinner than cling wrap, which can be integrated into everyday eyewear, allowing users to view both visible and infrared light spectra. This breakthrough miniaturizes night vision technology, opening up new applications in safety, surveillance, and biology.
A team at Pohang University of Science & Technology has developed a novel stretchable photonic device that can control light wavelengths in all directions. The device leverages structural colors produced through the interaction of light with microscopic nanostructures, allowing for vivid and diverse color displays.
A new, tuneable edge-detecting filter for flat-optic imaging systems can switch between an image of an object's outline and a detailed infrared image, enabling precise crop management and habitat restoration. The filter is compact, lightweight, and can be mass-manufactured.
Researchers have developed a method to 3D print silica glass micro-optics on the tips of optic fibers, creating structures 1,000 times smaller than a grain of sand. This breakthrough enables more sensitive remote sensors for environment and healthcare applications, as well as innovations in pharmaceuticals and chemicals.
Engineers at Stanford University have developed a prototype augmented reality headset that uses holographic imaging to overlay full-color, 3D moving images on the lenses of regular glasses. The new approach delivers a visually satisfying 3D viewing experience in a compact and comfortable form factor suitable for all-day wear.
Researchers at Penn State have made light effectively experience a magnetic field within a photonic crystal structure. This breakthrough could lead to more efficient lasers and other photonic technologies by increasing the interaction between light and matter.
The researchers achieved 20-level intermediate states of phase change materials using a micron-scale laser writing system. This allows for the demonstration of ultra-high flexibility in phase modulation and potential applications in neuromorphic photonics, optical computing, and reconfigurable metasurfaces.
Researchers at Duke University have determined the theoretical fundamental limit for how much electromagnetic energy a transparent material with a given thickness can absorb. This finding has practical implications for applications such as stealth technology and wireless communications.
Researchers at Pohang University of Science & Technology have devised a technique for mass-producing large-area metalenses tailored for use in the ultraviolet region. The breakthrough enables control over optical properties of UV rays, sparking interest in potential advancements for medical devices and wearable technology.
Researchers from Pohang University of Science & Technology developed angle-dependent holograms using metasurface technology, allowing for diverse images based on viewing angles. The holographic display demonstrates an extensive viewing angle of 70 degrees, enabling observers to perceive the three-dimensional image from various directions.
Researchers from Hebrew University of Jerusalem have successfully integrated single-photon sources onto tiny chips at room temperature using a hybrid metal-dielectric bullseye antenna. This innovation enables efficient back-excitation and front coupling of emission to optical fibers or low numerical aperture optics, promising advanceme...
A research team led by HKU physicists has introduced a solution to address optical loss in polariton propagation using synthetic complex frequency waves. This approach enables more efficient light-based devices, improved accuracy in sensors and imaging techniques, and enhanced nanophotonic circuits.
A multi-institutional research team, including Osaka University, has developed a new approach to enhance the efficiency of Mie scattering, which could lead to significant advancements in meta-photonics and applications like all-optical transistors. The researchers found that misaligning the incident laser on a nanometer scale can induc...
Researchers at UNICAMP developed a new technology to create bridges between superconducting circuits and optical fibers, enabling efficient transmission of information in the electromagnetic spectrum. This breakthrough paves the way for the development of advanced quantum networks with potential applications in computing and communicat...
Researchers have developed a new optical device that overcomes dispersion limitations in ultra-low-loss silicon nitride by creating conjoined microcombs. This breakthrough enables the production of short-pulse microcombs with low power consumption, paving the way for integration into handheld devices and photonic circuit arrays.
Researchers have successfully fabricated a self-assembling photonic cavity with atomic-scale confinement, bridging the gap between nanoscopic and macroscopic scales. The cavities were created using a novel approach that combines top-down and bottom-up fabrication techniques, enabling unprecedented miniaturization.
Researchers at the University of Sydney have invented a compact silicon semiconductor chip integrating electronics with photonic components, significantly expanding radio-frequency bandwidth and filter control. The new technology has potential applications in advanced radar, satellite systems, wireless networks, and telecommunications,...
Researchers at City University of Hong Kong have developed a passive radiative cooling material that achieves high-performance optical properties. The cooling ceramic reduces thermal load, provides stable cooling performance, and can be used in various building applications.
A new method developed by Caltech's Alireza Marandi enables the creation of ultrafast mode-locked lasers on photonic chips, opening up opportunities for compact and affordable ultrafast photonic technologies. The breakthrough could lead to significant advancements in fields like frequency metrology and precision sensing.
Researchers have developed high-performance ultrafast lasers on nanophotonic chips, enabling compact devices for GPS-free precision navigation, medical imaging, food safety inspection and other applications. The new technology has the potential to enable futuristic chip-scale atomic clocks, biological imaging and more.
Researchers have developed a new form of microscopy that can probe details in an object's surface using evanescent waves. The technique, which detects radiation emitted by the object itself, has been used to examine thermally excited evanescent waves in dielectric materials with nanoscale precision.
Researchers developed a photoelectrochemical technique to precisely tune the lasing wavelength of microdisk lasers with subnanometric accuracy. The new approach facilitates the fabrication of micro- and nano-laser batches with precise emission wavelengths.
UVA professor Patrick Hopkins is developing a 'freeze ray' technology to cool electronics in spacecraft and high-altitude jets, which can't be cooled by nature due to the vacuum of space. The technology uses heat-generating plasma to create localized cooling, and has been granted $750,000 by the Air Force.
Researchers have made groundbreaking progress in confining light to subnanometer scales using a novel waveguiding scheme. The approach generates an astonishingly efficient and confined optical field with applications in light-matter interactions, super-resolution nanoscopy, and ultrasensitive detection.
A research team at POSTECH successfully demonstrated the existence of bound states in the continuum using an acoustoelastic coupling structure. The phenomenon enables the confinement of elastic waves, similar to light particles, facilitating applications such as vibration focusing and energy harvesting.
Researchers have successfully created photonic time crystals with fast oscillations in refractive index, faster than current theories can explain. This breakthrough has profound implications for the science of light and could enable truly disruptive applications.
Researchers have developed a method to stabilize the –1 state of boron vacancy defects in hBN, enabling it to replace diamond as a material for quantum sensing and quantum information processing. The team discovered unique properties of hBN and characterized its material, opening up new avenues for study.
Researchers at LMU developed a metasurface that enables strong coupling effects between light and TMDCs, generating hybridized photonic and electronic states called polaritons. This platform offers new possibilities for research into polaritonic applications, including controllable low-threshold semiconductor lasers and quantum computing.
A new microcomb device developed by researchers at the University of Rochester offers a promising approach to generating stable microwave signals. The device's high-speed tunability enables applications in wireless communication, imaging, atomic clocks, and more.
Researchers have developed flexible photodetectors that can detect visible to long-wave infrared radiation, covering the full spectrum of greenhouse gases without complex optical components. The new detectors are simple and cost-effective to make, with production at room temperature.
A team of researchers from China and the UK has developed new ways to optimise the production of solar fuels by creating novel photocatalysts. These photocatalysts, such as titanium dioxide with boron nitride, can absorb more wavelengths of light and produce more hydrogen compared to traditional methods.
Researchers have developed an innovative approach to efficiently manipulate topological edge states for optical channel switching. By exploiting the finite-size effect in a two-unit-cell optical lattice, they achieved dynamic control over topological modes and demonstrated robust device performance.
The team uses a continuous-wave laser to create ultrashort electron pulses, allowing for attosecond time resolution. They investigate nanophotonic phenomena and film electromagnetic processes inside waveguide materials, opening up new developments in photonic integrated circuits and metamaterials.
Researchers have developed a new method for designing metasurfaces using photonic Dirac waveguides, enabling the creation of binary spin-like structures of light. This advances the field of meta-optics and opens opportunities for integrated quantum photonics and data storage systems.
A team of researchers successfully controlled 'trions,' a breakthrough toward developing revolutionary optical communication technology. They used a nanoscale plasmonic waveguide to create high-purity trions, which offer advantages over excitons in practical device applications.
Scientists at Columbia University create a new class of integrated photonic devices that can convert light from an optical waveguide to an arbitrary optical pattern in free space. The devices simultaneously control all four optical degrees of freedom, paving the way for applications in quantum optics, optogenetics, and holographic disp...
Researchers at KAIST have successfully developed a new X-ray microscope technology that can overcome the resolution limitations of existing microscopes. This breakthrough enables high-resolution imaging of nanoscale structures, with a resolution of 14 nm, which is comparable to that of electron microscopes. The technology uses random d...
Researchers at the University of Sydney and the University of Basel have demonstrated the ability to manipulate and identify small numbers of interacting photons with high correlation. This achievement represents a significant step towards advancing medical imaging and quantum computing technologies.
A team of researchers has demonstrated the ability to dynamically steer incoherent light pulses using a semiconductor device, paving the way for applications such as holograms, remote sensing, and self-driving cars. The technique uses metasurfaces to manipulate light waves, offering a low-power alternative to traditional laser beams.
Researchers developed a novel 3D printed nano optical security label with 33 possible combinations, utilizing higher dimensional structured light and incoherent white light illumination. This technology has the potential to revolutionize anti-counterfeiting methods and provide a powerful platform for advanced information security.
Researchers from University of the Witwatersrand developed a new approach to studying complex light in complex systems. They found distortion-free forms of structured light that emerge undistorted from noisy channels, unlike other forms of structured light which become unrecognizable. This breakthrough has the potential to pave the wa...