Articles tagged with Surface Plasmons
A nanostructure composed of silver and an atomically thin semiconductor layer can be turned into an ultrafast switching mirror device, displaying properties of both light and matter. This discovery could lead to dramatically increased information transmission rates in optical data processing.
Scientists at Linköping University have made a significant breakthrough in creating controllable flat optics using nanostructures on a flat surface. By precisely controlling the distance between antennas, they achieved up to tenfold improvement in performance, opening up new avenues for applications such as video holograms and biomedic...
Researchers used time-delayed laser pulses to capture electric and magnetic field vectors of surface plasmon polaritons, revealing a meron pair's spin texture. The study demonstrates stable spin structures despite fast field rotations.
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.
The Rice-led MURI project aims to develop innovative single-atom reactor systems and analyze various chemical processes of strategic importance to the DOD. The researchers, led by Naomi Halas, seek to improve energy efficiency and reduce protocol intensity in chemical reactions.
The LSU Quantum Photonics Group has made significant advancements in quantum plasmonics by isolating multiparticle subsystems and revealing new behaviors for surface plasmons. This research holds promise for developing more sensitive and robust quantum technologies, including sensors with heightened precision.
Researchers discovered a way to dissipate heat near hot spots in semiconductors by utilizing surface plasmon polaritons. The new method increased thermal conductivity by 25% and has implications for high-performance semiconductor device development.
A new broadband near-field chiral source enables comparison of different edge states to advance applications in integrated photonics and wireless devices. The research advances the field of chiral photonics science, promoting applications of chiral-sorting technology for microwave metadevices.
Scientists at the University of Tsukuba have created a nanocavity in a waveguide that selectively modifies short light pulses, enabling the development of ultrafast optical pulse shaping. This breakthrough may lead to the creation of new all-optical computers that operate based on light.
Scientists at Oak Ridge National Laboratory created tiny electrically conductive cubes that interact with light and organize them in patterned structures to confine and relay electromagnetic signals. The cubes support collective waves of electrons, called plasmons, with the same frequency as light waves but with much tighter confinement.
Researchers discovered a new type of free-electron radiations, namely surface Dyakonov-Cherenkov radiation, which enhances photon emission and reduces interaction length in miniaturized Cherenkov detectors. The technology offers improved accuracy for detecting particle trajectories.
Plasmonic tweezers facilitate trapping of micro- and nanostructures using hotspots smaller than the free-space wavelength, providing higher precision. The technique has expanded applications in fields such as biology, chemistry, and physics.
Researchers at the University of Michigan and Purdue University have developed a method to measure electron energy distributions in metal nanostructures, which could lead to more efficient energy conversion and storage applications. The technique uses surface plasmons to give extra energy to charge carriers, enabling faster reactions.
Researchers have created a variable color sheet using elastomer nanosheets that change color in response to strain, achieving reversible wavelength control of transmitted light. The developed sheets utilize surface plasmon to produce extraordinary optical transmission and can be used for flexible displays and sensors.
Researchers proposed a new type of plasmonic surface lattice resonance (SLR) supported by metal-insulator-metal arrays, which exhibit higher quality factors in less symmetric dielectric environments. This allows for diverse applications, including ultrasensitive sensing and nanolasers.
Brown University researchers have developed a method to manipulate the spatial coherence of light, transforming it from incoherent to coherent and vice versa. By controlling surface plasmon polaritons, they achieved strong modulation across a range of 0-80% coherence, breaking previous barriers.
Researchers have created a multi-channel nano-optical device that dramatically increases the parallel processing speed, allowing for faster data transfer between microprocessors. The device uses disordered arrangement of nano antennas to minimize redundancy and enable independent operation, resulting in a 40-fold increase in bandwidth.
Researchers have developed three key components for optical communication that work with light, enabling high-performance computers and miniaturized volumes. The innovations utilize surface plasmons to control the propagation of light in matter.
Researchers have developed an ultrafast technique to film the propagation of guided light and read its spatial profile across a multilayered structure. This breakthrough enables the design and control of confined plasmonic fields, crucial for future optoelectronic devices.
Researchers at Boston College have developed a nanoscale wireless communication system that operates at visible wavelengths using surface plasmons with unprecedented control. The device achieves in-plane configuration and enables high-speed communication, potentially speeding up transmission by up to 60%.
Researchers have discovered a new way to manipulate plasmons on graphene and TMDs using circularly polarized light, enabling separation of particle streams without magnetic fields. This breakthrough could lead to novel electro-optical devices and applications in chip-scale optical isolation.
Researchers have developed a new technique to trap light at the surface of graphene using laser pulses, enabling the steered light to be directed across the material's surface. This breakthrough has significant implications for advances in electronic products, such as sensors and miniaturized integrated circuits.
MIPT researchers have developed a new method to eliminate energy losses of surface plasmons in optical devices, paving the way for high-performance optoelectronic chips. By pumping extra energy into surface plasmon polaritons, they can compensate for propagation losses and increase integration density.
Researchers have created and controlled surface plasmon wakes of light-like waves on a metallic surface, demonstrating a new technology with potential applications in nanotechnology and optics. The discovery uses a faster-than-light running wave of charge along a metamaterial to create and steer the wakes.
Researchers at Caltech discovered that surface plasmons exhibit quantum interference, similar to photons. This finding has potential implications for quantum computing and the development of new materials. The study validated theoretical predictions and demonstrated the coherence of plasmon waves.
A new type of light beam, called a needle beam, has been created by Harvard researchers. This non-diffracting beam can travel long distances without spreading outwards, which could greatly reduce signal loss in on-chip optical systems.
Researchers have developed a new technique to manipulate surface plasmons in real time, enabling the creation of ultra-small-scale optoelectronic devices and systems. This innovation allows for on-the-fly control and flexibility in nano-system design and manufacture.
Scientists at the University of Pennsylvania have developed a nanoscale plasmonic cavity that drastically reduces emission lifetime in semiconductors. By engineering high-intensity electromagnetic fields and controlling confinement, they achieve an unprecedented record-breaking emission lifetime measured in femtoseconds.
Researchers have made significant progress in plasmonics, a field that overcomes diffraction limitations to fabricate nano-scale optical components. These advancements enable the development of integrated nanophotonic circuits with substantial improvements in bandwidth and speed for next-generation information technologies.
Material scientists at Penn have demonstrated a way to convert optical radiation into electrical current using a molecular circuit. The system uses gold nanoparticles to induce and project electrical current, potentially powering devices with sunlight.
Researchers at UC Berkeley have created the world's smallest semiconductor laser, generating visible light in a space smaller than a single protein molecule. The breakthrough enables innovations like nanolasers for DNA manipulation, faster telecommunications, and optical computing.
Surface plasmon polaritons move as waves and follow conventional optics' rules, limiting their size. Researchers developed a comprehensive theory to control SPPs, providing a bridge between nanoscale electronics and photonics.
Researchers have discovered a new physical phenomenon called acoustic plasmon, which can be triggered into an excited state with very low energy input. This discovery could have significant implications for the design of ultra-high velocity electronic devices and materials for medical applications.
Researchers at UNH have successfully proven the existence of a new type of electron wave on metal surfaces called acoustic surface plasmons. This discovery has significant implications for various fields including nano-optics, high-temperature superconductors, and chemical reactions on surfaces.
Researchers at the University of Pittsburgh have developed a new microscopy technique that allows them to observe electrons moving through a nanostructured silver film. This breakthrough could lead to more efficient semiconductors and reduce heat dissipation, making electronic devices faster and more powerful.
Researchers at Imperial College London have discovered a way to channel and focus light beams on a chip using artificial materials with tiny grooves and holes. This breakthrough could revolutionize the design of the first optical computers, which struggle to overcome constraints due to the need for efficient wire replacement.