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Showing posts with the label polaritons

World's first room temperature electrically pumped perovskite polariton laser diode drastically reduces threshold current density

https://phys.org/news/2026-07-electrically-perovskite-polariton-laser-diode.html "high-quality-factor microcavity + durable lead-halide perovskite gain layer, achieving stable, continuous-wave polariton lasing under direct electrical injection... up to orders-of-magnitude lower current densities compared to conventional laser diodes... electrically driven, room-temperature, ultra-low-power, highly scalable coherent polariton laser polariton laser integrable onto silicon photonic circuits" Related: Researchers demonstrate first fully solution-processed solid-state polariton laser https://www.eurekalert.org/news-releases/1139095

Ultrafast hybrid optical transistor switches 10,000X faster utilizing exciton-plasmon polaritons which combine light/ matter properties

https://phys.org/news/2026-01-ultrafast-atomically-thin-semiconductors-rapid.html "overcomes silicon-based electronics' limits... combines silver nano-slit array/ 3-atom-thick tungsten disulfide layer, creating active metamaterial... external laser pulses manipulate material's reflectivity during 70-fs storage phase... 10% brightness change within few fs... fast conventional/ quantum computer data processing, optical sensors, improved chip manufacturing efficiency, telecommunications... future: optimize the materials to further boost the switching effect and move toward practical application" Related: Laser pulses capture unexplored polaronic states https://phys.org/news/2026-06-laser-pulses-capture-unexplored-polaronic.html

Long-propagating ghost phonon polaritons enabled by selective mode excitation for faster computing and ultra-sensitive sensors

https://www.eurekalert.org/news-releases/1094280 "ghost hyperbolic phonon polaritons propagate in ray-like paths within transparent birefringent calcite having specially shaped gold asymmetric triangular nano-antenna fabricated directly onto surface to launch waves over 80 μm (was 20)... selectively excites modes with lower losses, thereby greatly reducing energy waste... heat management in large-scale GPU clusters, guiding quantum states over long distance in quantum information systems, improved molecular sensors, anisotropic nanophotonic devices" Related: Polaritons enable tunable and efficient molecular charge transfer across broader spectrum of light https://phys.org/news/2025-09-polaritons-enable-tunable-efficient-molecular.html Molecular antennae make light-activated molecular switches more sensitive https://www.eurekalert.org/news-releases/1143389

Controlling light-matter polaritons at room temperature opens the way for high-speed computing

https://www.ntu.edu.sg/research/research-hub/controlling-light-matter-particles-at-room-temperature "electric field applied to microcavity causes hybrid polaritons with different spins to move away from one another in opposite directions... polariton spinning clockwise/ counter-clockwise allows computer data encoding, generated by shining green laser on caesium lead bromide with liquid crystal molecular layer in microcavity... controlled/ changed polaritons' movements, based on how they spin, by applying external voltage to them... store, transfer, process data at the speed of light" Related: Scientists demonstrate transition between strong and weak coupling regimes in a polariton microcavity https://phys.org/news/2026-07-scientists-transition-strong-weak-coupling.html