A new computational approach extends the Particle-in-Cell method with condensed-matter physics, enabling researchers to simulate a broader range of light–matter interactions in metals, semiconductors, and emerging quantum materials. This allows for more realistic predictions and optimizations in next-generation semiconductor and photon...
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.
A team from the University of the Witwatersrand and Huzhou University discovered a vast alphabet of high-dimensional topological signatures, enabling robust quantum information encoding. This breakthrough utilizes orbital angular momentum to reveal hidden topologies in entangled photons.
Scientists at UC Riverside are investigating plasmonic materials that can transfer energy when struck by light. Their findings could lead to sensors capable of detecting molecules at trace levels and other technologies with practical applications.
Scientists have created nanocone arrays that exhibit enhanced amplified spontaneous emission due to strong coupling, enabling high Q/V resonant modes and accelerating micro-nano laser development. The research also demonstrates the manipulation of spatial distribution, mode selection, beam directionality, and polarization control.
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.
A research team at the University of Würzburg has achieved electrically controlled modulation of light antennas, paving the way for ultra-fast active plasmonics. This breakthrough could lead to significantly faster computer chips and new insights into energy conversion and storage technologies.
This review focuses on monolayer transition metal dichalcogenides, a direct bandgap semiconductor, and plasmonic nanocavities to study plasmon-exciton coupling. The structure enables strong electromagnetic field enhancement and novel light-matter interactions.
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 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.
Scientists at Swinburne University of Technology and FLEET collaborators observe and explain signatures of Fermi polaron interactions in atomically-thin WS2 using ultrafast spectroscopy. Repulsive forces arise from phase-space filling, while attractive forces lead to cooperatively bound exciton-exciton-electron states.
Osaka University researchers develop nanoantenna to enhance quantum information transfer, enabling more efficient and secure data processing. The device focuses light onto a single quantum dot, improving photon absorption by up to 9 times.
Researchers at Louisiana State University have developed a nanoscale system that can create different forms of light by manipulating photon distribution. This breakthrough has significant implications for quantum technologies and may lead to more efficient solar cells.
Scientists develop novel approach to boost single-molecule fluorescence with asymmetric nano-antennas, achieving enhancement factors up to 405 and quantum yields of 80% without sacrificing photostability. This breakthrough enables higher imaging resolution and tissue penetration depth in biomedical applications.
Researchers from Louisiana State University have developed a smart quantum technology to correct distorted spatial modes of light at the single-photon level using artificial neural networks. This technique boosts channel capacity in optical communication protocols, enabling secure communication and enhancing sensing capabilities.
A University of Oklahoma physicist has received a $1 million grant to develop a quantum enhanced plasmonic sensor that can detect diseases earlier, identify pathogens, and monitor atmospheric pollutants. The technology has the potential to revolutionize fields like chemistry, medicine, and atmospheric science.
Researchers at National University of Singapore create molecular electronic devices that can operate at hundreds of terahertz frequencies, ten times faster than current microprocessors. The breakthrough uses quantum plasmonic tunnelling and has potential applications in ultra-fast computers and single molecule detectors.