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Metasurfaces with quasi-bound states slash modulation thresholds, bringing momentum bandgaps for light to optical frequencies for the first time.

Researchers produce stable laser light that twists like a whirlwind in the lowest energy state using self-organizing torons and a synthetic magnetic field.

A silicon photonic chip device corrects distortions directly in light to enable faster and lower power connections between data centers for large artificial intelligence networks.

A reconfigurable silicon ring turns a steady laser into one-way optical pulses and uses a weak return beam to excite, quiet, or synchronize a neighbor.

Stable plasma waves enable free-electron laser amplification at extreme ultraviolet wavelengths in just a few millimeters of acceleration.

Photonics-based generative AI for lower environmental impact.

Fully optical device uses special crystal to combine sensing and computation, boosting image recognition accuracy while cutting energy use.