News tagged with physical review letters

Strange physics turns off laser

Inspired by anomalies that arise in certain mathematical equations, researchers have demonstrated a laser system that paradoxically turns off when more power is added rather than becoming continuously brighter.

dateJun 17, 2014 in Optics & Photonics
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Pyramid nanoscale antennas beam light up and down

Researchers from FOM Institute AMOLF and Philips Research have designed and fabricated a new type of nanoscale antenna. The new antennas look like pyramids, rather than the more commonly used straight pillars. The pyramid ...

dateDec 17, 2014 in Nanophysics
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