Articles tagged with Polaritons
Scientists have successfully decoded the polarization cipher of high-energy electrons, demonstrating a new pathway to creating highly polarized gamma-ray sources. The study's findings confirm key predictions of quantum electrodynamics and open up new design options for mid- to high-energy gamma-ray sources.
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.
Using a new terahertz spectroscopic technique, researchers have revealed that tiny stacks of 2D materials can naturally form cavities, confining light and electrons in even tinier spaces. This discovery could help control quantum phases and ultimately harness them for future quantum technologies.
Researchers at Columbia University have identified the rules for creating perfect polaritons, which are hybrid quasiparticles combining light and matter. The guiding rules include large optical absorption, low disorder, and inherent exciton delocalization, enabling polaritons to preserve coherence despite strong interactions and disorder.
Researchers create nanoscale slots to tune phonon vibrations, enabling ultrastrong coupling and hybrid quantum states in lead halide perovskite. This breakthrough could improve energy flow and performance in optoelectronics.
Disordered energy hinders polariton formation and energy transfer in light-matter interactions. Researchers develop a strategy to overcome this limitation, retaining coherent delocalization for potential applications in energy technology and photonic engineering.
Researchers have developed thin films that can compress infrared light, improving its propagation distance and wavelength range. The technology has potential applications in thermal management, molecular sensing, and photonics.
Researchers at the University of Turku developed a simple, eco-friendly approach to fabricate optical microcavities, allowing for precise study of polaritons and potential applications in ultra-efficient lasers and quantum optics. This innovation makes quantum and photonics research more accessible and energy-efficient.
Researchers create 3D photonic-crystal cavity to study ultrastrong coupling between light and matter, enabling faster and more energy-efficient quantum computing and communication technologies. The study paves the way for hyperefficient quantum processors, high-speed data transmission and next-generation sensors.
Researchers developed a theoretical model predicting substantial increase in OLED brightness by leveraging polaritons, promising improved efficiency and brightness. The study proposes new materials discovery and architecture development to achieve single-molecule strong coupling or tailored molecules for polariton OLEDs.
A team of researchers at the University of California - San Diego has made a groundbreaking discovery by showing that infrared radiation can lower the temperature needed for dehydration by up to 14 degrees Celsius. This is achieved through radiative energy transport, which had been overlooked until now.
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.
The study creates ultra-stable thin-film polariton filters with exceptional angular stability, transmitting up to 98% of light, even at extreme viewing angles. This technology has enormous scientific and economic potential for applications in display technology, sensor technologies, biophotonics, and more.
Researchers developed an on-chip detector that uses phonon polaritons to enhance molecular fingerprint detection. This compact design enables ultra-sensitive gas sensing and paves the way for medical diagnostics and environmental monitoring.
Scientists have developed a groundbreaking 2D electro-polaritonic platform that integrates detection with the same material, overcoming limitations of traditional optical techniques. This breakthrough enables spectrally resolved electrical detection of nanoresonators and significantly enhances photodetection efficiency.
Researchers at Florida State University have identified a new phenomenon in Kagome metal CsV3Sb5, which can create hyperbolic bulk plasmons with reduced energy loss. This breakthrough has the potential to advance technologies in nano-optics and nano-photonics.
The authors propose a strategy to drive hyperbolic phonon polaritons propagation in vdW materials with the help of a substrate, reorienting their direction by 90°. This enables forbidden propagation and enhances near-field thermal energy transport.
Researchers propose a strategy to reorient hyperbolic phonon polariton propagation in vdW materials to achieve forbidden propagation. The team investigates the effect of substrate-dependent phonon polaritons coupling on near-field thermal energy transport.
Researchers demonstrate a new way to confine infrared light using thin-film oxide membranes, which outperform bulk crystals in resolution and frequency maintenance. The technique has potential applications in photonics, sensors, and thermal management.
Researchers created an 'optical conveyor belt' to control polariton energy landscape, achieving non-reciprocity and topological phase of matter. This technology has potential applications in quantum metrology, quantum information and opto-electronic devices.
Researchers from the University of Tokyo have developed a novel approach to manage waste heat in microcircuits by adding a tiny coating of silicon dioxide. This increases the rate of heat dissipation, allowing for faster cooling and potentially leading to smaller and cheaper electronic devices.
Researchers pioneer technique to control polaritons, unlocking potential for next-generation materials and surpassing performance limitations of optical displays. The breakthrough enables stable generation of polariton particles with enhanced brightness and color control.
Scientists from CNR Nanotec and the University of Warsaw created a new method to simulate interactions between artificial atoms by forming macroscopic coherent states. They used optically tailored quantum droplets of light that became bound together, enabling stable and long-lived polariton fluids with unprecedented coherence scales.
A new technology has been developed to transmit quantum information over tens to hundred micrometers, improving the functionality of upcoming quantum electronics. The researchers use a terahertz split-ring resonator and confine only a few electrons to an ultra-small area.
Researchers create nanocavities that confine light for significantly longer durations than previous studies, overcoming traditional limitations. The discovery utilizes hyperbolic-phonon-polaritons to achieve unparalleled subwavelength volume and extended lifetime.
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.
Purdue University researchers have found that polaritons can contribute a larger share of thermal conductivity in semiconductors, overcoming phonon limitations. By understanding how to design materials and structures, manufacturers can incorporate these polariton-based nanoscale heat transfer principles into chip designs.
Researchers have created deterministic potential wells to trap and manipulate exciton polaritons in WS2 monolayers at room temperature. This enables the achievement of strong nonlinearity while maintaining thermal stability, paving the way for integrated polariton-based devices.
Scientists develop a new technique for in-plane anisotropic excitation and propagation of hyperbolic polaritons, breaking mirror symmetry without low crystalline symmetry. This enables dynamic control over light guiding and propagation on the nanoscale.
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.
An international team of scientists has imaged and analyzed THz waves propagating in form of plasmon polaritons along thin anisotropic semiconductor platelets. The wavelengths vary with direction, allowing for manipulation of light at the nanoscale.
Researchers have developed a new type of OLED display that uses strong coupling of light and matter to improve color saturation and brightness. The displays, known as polariton-based OLEDs, achieve this without compromising efficiency or viewing angle dependency.
Scientists have developed a new material that enables the manipulation of light at the nanoscale through gate-tuning, overcoming current limitations. This breakthrough has significant implications for future high-performance information devices.
Researchers at UC San Diego have shown that vibrational polaritons alter molecular dynamics, leading to changes in chemical reactions. The study uses 2D infrared spectroscopy to separately excite and follow polariton modes and dark modes, revealing a new way to control reactions.
Researchers from University of Warsaw create spiking neuron using photons to mimic biological brain's behavior. This achievement paves the way for photonic neural networks that process information faster and more efficiently than conventional systems.
Australian researchers have engineered a quantum box for polaritons in a two-dimensional material, achieving large polariton densities and a partially 'coherent' quantum state. The novel technique allows researchers to access striking collective quantum phenomena and enable ultra-energy-efficient technologies.
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.
The new photodetector design combines long-range transport of optical energy with long-range conversion to electrical current, mimicking the photosynthetic complexes found in plants. The device can gather light from areas of about 0.01 mm² and achieve conversion of light to electrical current over exceptionally long distances of 0.1 nm.
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.
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.
Scientists have made a pivotal new breakthrough in controlling light to evolve the next generation of quantum sensing and computing. The team has shown that controlling light can be achieved by inducing and measuring a nonlinear phase shift down to a single polariton level.
A team led by Andrew Musser at Cornell University has developed a method to tune the speed of polaritons, hybrid particles that combine light and molecules, allowing for increased range and potential applications in efficient solar cells, sensors, and LEDs. This breakthrough could lead to more controlled energy transfer and improved de...
A team of scientists creates ultrafast optical nonlinearity in a monolayer semiconductor by designing plasmon-exciton polaritons, achieving strong interactions and great tunability. This breakthrough enables high-speed all-optical switching and energy-efficient data processing at room temperature.
Researchers from the University of Würzburg have discovered new states in 2D materials by exploring their interactions with phonons. This breakthrough enables the creation of hybridized exciton-photon-phonon states, which could lead to room-temperature Bose-Einstein condensation and polariton lasing.
Researchers have discovered that altering the interface between two materials in time can lead to new opportunities for wave manipulation. This breakthrough enables novel concepts and applications in photonics, including nonreciprocal gain, power steering, and optical drag.
Researchers have demonstrated a novel topology arising from losses in hybrid light-matter particles, introducing a new avenue to induce topological effects. The study found that the mere presence of loss in an exciton-polariton system causes it to exhibit nontrivial topology.
Researchers have developed a room-temperature perovskite polariton parametric oscillator, enabling scalable and low-threshold nonlinear devices. This breakthrough offers possibilities for the development of cost-effective and integrated polaritonic devices.
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.
Researchers demonstrated Young's experiment for photons in reciprocal space, creating an interference pattern of light polarization with circular polarized stripes. The observation coincided with the 100th anniversary of spin discovery and showed a classic entanglement of two degrees of freedom - direction and polarization of light.
Australian researchers have made a significant step towards ultra-low energy electronics by demonstrating the dissipationless flow of exciton polaritons at room temperature. The breakthrough involves placing a semiconductor material between two mirrors, allowing the excitons to propagate without losing energy.
Scientists from Skoltech and the University of Southampton created an all-optical lattice that houses polaritons, quasiparticles with half-light and half-matter properties. They demonstrated breakthrough results for condensed matter physics and flatband engineering.
Researchers observed ghost polaritons in calcite crystals, enabling superior control of infrared nano-light for various applications. The discovery features highly collimated propagation properties and record-long distance propagation at room temperature.
Exciton-polaritons exhibit non-linear effects, including Bose-Einstein condensation and polariton lasing without occupation inversion. The study reveals energy-degenerate parametric scattering of polaritons and opens up new avenues for research on multi-level polariton systems.
Skoltech researchers have successfully created stable giant vortices in polariton condensates, addressing a known challenge in fluid dynamics. This breakthrough opens possibilities for uniquely structured coherent light sources and exploring many-body physics under extreme conditions.
Researchers applied glide symmetry to dual-strip SSPP TLs, achieving flexible control of modal fields and significant suppression of coupling. This design enables compact circuits with improved signal integrity and low crosstalk.
Researchers from St. Petersburg State University and international partners successfully condense liquid light in a semiconductor material, paving the way for new lasers capable of producing qubits. This breakthrough could lead to the development of quantum transistors and significant advancements in computing.
Researchers discovered an effect known as nonlinearity that can modify and detect extremely weak light signals using a quantum dot array. The team created an 'egg carton' of quantum dots in a 2D semiconductor, allowing for the control of energy levels with light.
Polaritons form structures behaving like molecules, with properties such as new energy states and optical properties. Artificial polariton molecules have potential uses in quantum information systems, including dissipating less power and operating faster than traditional methods.
Scientists have successfully demonstrated the interaction between infrared light and molecular vibrations, leading to the formation of hybrid polaritons. The study's findings could pave the way for ultrasensitive spectroscopy devices and a deeper understanding of strong vibrational coupling on the nanoscale.
Researchers at the University of Pennsylvania have created a new type of quasiparticle called helical topological exciton-polaritons, which have a defined spin locked to their direction of motion. This achievement opens up possibilities for using them to transmit information or perform computations at unprecedented speeds.