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nanowerk.com /2 weeks ago

Potassium enables ultralow-loss plasmonics with strong light confinement

Researchers create smooth, oxide-free potassium films that sharply reduce optical losses while confining light at the nanoscale, opening possibilities for advanced photonic devices...

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physicsworld.com /1 month ago

Plasmonic metamaterial makes a photonic time crystal

New nanostructure could be used to make lasers that work in the terahertz frequency range The post Plasmonic metamaterial makes a photonic time crystal appeared first on Physics Wo...

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bioengineer.org /1 month ago

Atomically thin semiconductors electrically switch quasi-bound states in metasurfaces

The Light That Refuses to Leak — Now Switched On With Electricity Some of the most stubborn light in physics is light that will not leave. Inside specially engineered surfaces, pho...

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bioengineer.org /1 week ago

Gold Nanoparticles Supercharge Flexible Infrared Photodetectors Built from TiS3

Researchers have built flexible near-infrared photodetectors from gold-functionalized titanium trisulfide nanostructures on plastic substrates, achieving high responsivity, quantum...

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nanowerk.com /1 month ago

A single nanostructure enables independent control of two light resonance modes

Researchers demonstrate polarization-controlled metal and dielectric resonances in a single MoOCl2 nanostructure for multifunctional nanophotonics.

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physicsworld.com /1 week ago

A new route to spin-controlled photonics

Researchers demonstrate Rashba-like spin splitting in a perfectly symmetric plasmonic crystal, challenging conventional assumptions about the role of structural asymmetry The post...

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nanowerk.com /1 month ago

New photonics approach lets metasurfaces copy complex light patterns across wavelengths

Topology imprinting allows nonlinear metasurfaces to transfer structured light into new wavelengths, opening routes to compact holography, optical communications, quantum photonics...

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nanowerk.com /1 month ago

New device design could miniaturize photonics, quantum technologies

Researchers co-design engineered semiconductors and metasurfaces to build powerful optical device.

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electronicsforu.com /1 month ago

Nanocrystals Could Enable Flexible Electronics

What if materials used in LEDs and implants could be made into nanocrystals? University of Chicago researchers have developed a method to produce them. Researchers at the Universit...

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nanowerk.com /1 month ago

Fast nanoimprint process enables scalable production of achromatic metalenses

Researchers developed a high-index, low-shrinkage photoresist and rapid nanoimprint process that produces achromatic metalenses in just 15 minutes, supporting scalable manufacturin...

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graphene-info.com /1 month ago

Graphene oxide sensing layer enables low-cost SPR detection of mercury, lead, and zinc in water

Researchers at Universidad TГ©cnica Particular de Loja, Escuela Superior PolitГ©cnica de Chimborazo (ESPOCH), UniversitГ della Calabria, and Universidad Ecotec have computationall...

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nanowerk.com /1 month ago

Freestanding single-crystal nanomembranes overcome a central heterogeneous integration barrier in photonic integrated ci...

A van der Waals integration framework separates the growth of high-quality functional crystals from the conventional heteroepitaxial approaches for established silicon and silicon...

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nanowerk.com /1 month ago

Subtle wave plate imperfections enable billion-fold laser suppression

Subtle variations in wave plates can reshape light beams, enabling billion-fold laser suppression and more sensitive optical measurements.

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nanowerk.com /4 weeks ago

A metasurface biosensor sensor detects disease with a single camera

Researchers developed a tiny metasurface biosensor that detects proteins and DNA using a camera instead of a bulky spectrometer, opening a path toward compact diagnostic devices.

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nanowerk.com /1 month ago

Innovative interlayer method sharpens plasma-free silicon etching

A thin interlayer stabilizes metal-assisted chemical etching, enabling precise, plasma-free fabrication of silicon nanostructures with extreme aspect ratios.

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nanowerk.com /1 week ago

A flash of light creates promising new organic semiconductors

A photochemical reaction creates two organic semiconductors, with one showing five times higher predicted charge mobility, offering promising materials for flexible displays and we...

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bioengineer.org /6 days ago

Gold and Silver Nanoparticles Team Up With Magnets to Zap Water Pollutants in Minutes

Researchers in China built a magnet-recoverable Fe3O4@Au@Ag nanocomposite that degrades over 95 percent of a model dye in four minutes and retains most of its activity after six re...

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nanowerk.com /1 month ago

New nanostructure makes non-linear light polarisation 72 000 times more efficient

Researchers have developed an innovative method for coupling light non-linearly. This opens up new possibilities for telecommunications and quantum technology.

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nanowerk.com /1 month ago

Metasurface makes infrared images 1,000 times brighter without costly detectors

A flat-band metasurface converts infrared light into visible images more than 1,000 times brighter while preserving sharp detail.

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nanowerk.com /2 weeks ago

Giant fluctuations in focused light reveal hidden correlations in nanoparticle layers

Experiments with zinc oxide nanoparticles show how unusually large fluctuations in focused light expose hidden correlations between scattering paths, offering a simpler way to prob...

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physicsworld.com /1 month ago

Metasurface optical device boosts nonlinear frequency conversion

Nanostructured device efficiently transforms light into different frequencies – including those at technologically important near-infrared wavelengths The post Metasurface optical...

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nanowerk.com /1 month ago

Nano-antennas make living cells light up brighter and faster

Nano-antennas make voltage-sensitive proteins in living cells up to six times brighter and ten times faster, enabling more precise electrical signal imaging.

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nanowerk.com /1 month ago

Laser annealing enables optical isolators integrated directly on silicon photonics chips

A laser annealing method integrates optical isolators directly onto silicon photonics chips, reducing back-reflected light by about 95% without damaging surrounding components.

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nanowerk.com /2 days ago

Nanostructured silicon chip uses slow light to speed data transmission and cut energy use

Tiny holes in silicon slow down light, enabling a compact optical modulator to transmit data at up to 200 Gb/s while dramatically reducing energy consumption.

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