Tag Archives: Optics

Spectroscopy Technique Reveals Nanoscale Acoustic Waves

Posted on December 24, 2025 by rberkowitz

Imaging using extreme ultraviolet scattering shows that optical pulses can generate surface excitations with spectra that were previously difficult to achieve. Continue reading →

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Ultracold Atoms Simulate Breaking Flux Strings

Posted on September 8, 2025 by rberkowitz

An optical-lattice experiment offers a platform for observing dynamics of particle–antiparticle pair creation in quantum field theories. Continue reading →

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Peacock feathers can be lasers

Posted on July 29, 2025 by rberkowitz

Tail feathers can emit narrow beams of light, a first in the animal kingdom. Continue reading →

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TSMC Bets On Unorthodox Optical Tech

Posted on May 27, 2025 by rberkowitz

MicroLED-based inteconnects could fuel energy-efficient AI data centers. Read more in IEEE Spectrum… Continue reading →

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Start-Ups Bring Optics Right to the GPU

Posted on April 26, 2025 by rberkowitz

New optical interconnects could provide the bandwidths needed for AI data centers. Continue reading →

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Birefringent Nanocubes Give Light a Circular Boost

Posted on March 21, 2025 by rberkowitz

An achiral metasurface selectively transmits two beams of opposite chirality. Continue reading →

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A Versatile Design for a Metasurface Cavity

Posted on March 6, 2025 by rberkowitz

An all-dielectric version of a metamaterials-based cavity allows the cavity to operate over a previously inaccessible wavelength range—which could benefit lasers and other resonant devices. Continue reading →

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The Forecast Is Cloudy, With a Chance of Dropped Packets

Posted on January 30, 2025 by rberkowitz

Weather-based models predict threats to laser communications links. Continue reading →

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Seeking Signatures of High-Energy Vortex States

Posted on December 23, 2024 by rberkowitz

A proposed method could detect vortex states of high-energy particles through a scattering phenomenon called a superkick. Continue reading →

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A Laser Casts a Shadow

Posted on December 9, 2024 by rberkowitz

Through its interactions with a crystal, light becomes an opaque object—an effect that could be harnessed in applications. Continue reading →

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