Articles tagged with Polaritons
Researchers develop novel approach for efficient generation of coherent vibrations using semiconductor structures. The phonon laser operates in the tens of GHz range and is based on Einstein's predictions for Bose-Einstein condensates of coupled light-matter particles.
Researchers at Skoltech and Southampton University develop a fully optical approach to control couplings between polariton condensates, enabling simulation of condensed matter phases. This technology uses laser excitation patterns to generate complex polariton graphs in a scalable manner.
An international team has discovered an effective method for controlling the frequency of confined light at the nanoscale in phonon polaritons. By intercalating alkaline and alkaline earth atoms in van der Waals materials, researchers can extend the range of working frequencies, enabling broader technological applications.
The study demonstrates the creation of rewritable optical components for surface light waves using materials like GeSbTe. This enables the control and miniaturization of light at the nanoscale, with potential applications in single molecule chemical sensing.
Researchers from ETH Zurich have discovered a way to boost polariton-polariton interaction, enabling strong coupling between matter and light. This breakthrough opens up new perspectives for photonics and many-body physics.
Researchers have created a polariton nano-laser that operates at room temperature, enabling more efficient and stable coherent light sources. This breakthrough overcomes challenges in controlling thermal stability of excitons, making it suitable for applications in quantum information systems.
Researchers at Eindhoven University of Technology developed a new polariton laser that emits light in all directions, using deliberately imperfect silver nanostripes. The discovery has vast potential applications, including microscopy lighting, LIDAR technology, and general illumination.
An international team of researchers has discovered ultra-confined infrared polaritons that propagate only in specific directions along thin slabs of molybdenum trioxide. The polaritons live for an exceptionally long time, up to 20 picoseconds, and could enable the development of more efficient nanophotonic devices.
Researchers developed a new technique to generate an intense, nanoscale antenna that can detect single biomolecules by harnessing polaritons. The antennas concentrate light in small volumes, increasing its intensity and creating optical fields strong enough to exert force on nearby particles.
Researchers at Lehigh University have developed a new technique called peak force scattering-type scanning near-field optical microscopy (PF-SNOM) that reveals the 3D shape of polariton interaction around nanostructures with improved spatial resolution. The technique enables direct sectioning of vertical near-field signals for both thr...
Researchers observed transition from polariton-solitons to Bose-Einstein condensate by changing laser pumping power. Theoretical model explains the behavior of nonlinear systems, enabling potential applications in telecommunications.
Physicists at ITMO University and University of Sheffield created a polariton crystal lattice with adjustable geometry. The lattice's properties can be modified, allowing for the study of quantum effects and potential applications in optical computing.
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 demonstrated a new type of computer that uses polaritons, a combination of light and matter, to solve complex problems. The system works by creating a potential landscape and forcing the polaritons to condense at its lowest point, enabling it to find optimal solutions.
IBS scientists developed a theoretical model for valv polarization in microcavities, which predicts that valleys with opposite polarization can be distinguished and tuned. This could lead to applications in valleytronics by selectively exciting different valleys with polarized laser light.
A new study by an international team of researchers highlights how manipulation of 2D materials can improve device speed, size, and efficiency. The findings could unlock new possibilities for electronic and photonic devices, enabling applications such as sensing, fingerprinting minute amounts of biomolecules, and energy harvesting.
Scientists have created a mini electro-optical switch that can change the spin of a liquid form of light by applying electric fields to a semiconductor device. This technology bridges the gap between light and electricity, enabling faster and more powerful electronics.
Researchers have imaged ultraslow pulse propagation and backward propagating waves in deep subwavelength-scale thick slabs of boron nitride, a natural hyperbolic material. The study provides insights into the behavior of light inside these materials, laying the foundations for future nanophotonic devices.
Scientists have discovered that light can be stored and trap particles of light called phonon polaritons behave in unique ways. The light's movement isn't random but follows fixed angles with respect to the atomic structure, leading to interesting resonances.
For the first time, researchers have demonstrated the wavelike behavior of a room-temperature polariton condensate on a macroscopic scale. The team's work has significant implications for future technological breakthroughs, such as polariton micro-lasers and optical transistors.
Researchers have successfully controlled the length and strength of waves of atomic motion, promising applications in fine-scale imaging and information transmission. Hybrid polaritons propagate throughout many layers of a crystalline material and can be tuned with an electronic gate.
Researchers at the University of Strathclyde and Pittsburgh created a 'ring geometry' form using polaritons, resulting in a highly specialized half-vortex rotation. This achievement marks a significant step towards the development of new quantum technologies.
Researchers study polaritons in organic molecules strongly coupled with photons, finding they can remain at lowest energy levels for an unusually long time. This phenomenon opens the door to novel applications, including modifying optical, electronic and chemical properties.
Physicists at Australian National University have created a spiral laser beam that generates a stable vortex of polaritons, which are hybrid particles exhibiting both matter-like and light-like behavior. This achievement could enable the development of novel technology linking conventional electronics with photonics.
University of Michigan researchers have developed a polariton laser that can emit coherent light, works at room temperature, and requires significantly less power. The device is the most real-world ready of its kind and has potential applications in medical devices, treatments, and more.
Scientists have observed phonon polaritons in van der Waals crystals, which can be tunable and long-lived, opening the door for innovative applications in nanoscale devices. The discovery uses infrared light to launch waves that travel across the crystal material, creating interference patterns.
Researchers at the University of Michigan have successfully developed a new type of laser that uses electricity instead of light, requiring significantly less energy to operate. The device produces a coherent beam of light and has potential applications in various fields, including optical communication and medical surgery.
Researchers aim to achieve superconductivity at non-cryogenic temperatures by studying polariton condensates, a phenomenon exhibiting quantum collective behavior. Theoretical physicist Eric Bittner and experimentalist Carlos Silva will collaborate on the project.
Researchers at the University of Pennsylvania have successfully increased light-matter coupling strength in nanoscale semiconductors, paving the way for designing faster and more efficient photonic devices. By fabricating structures with surface passivation techniques, they were able to overcome the limitation of bulk materials.
Researchers at Lehigh University have developed a new cooling method for carbon nanotube electronics by utilizing nonconventional radiation in a near-field zone, dissipating heat into the substrate. The method increases effective thermal conductance over the interface between nanotubes and polar substrates.
Researchers at EPFL create polariton Bose-Einstein condensate in solid state, exhibiting macroscopic order and long-range coherence. This breakthrough could lead to new technologies like quantum computing and advanced electronics.