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Tiny laser created using nanoparticles

Tiny laser created using nanoparticles
Researchers at Aalto University are the first to develop a plasmonic nanolaser that operates at visible light frequencies and uses so-called dark lattice modes. The laser works at length scales 1000 times smaller than the thickness of a human hair. The lifetimes of light captured in such small dimensions are so short that the light wave has time to wiggle up and down only a few tens or hundreds of times. The results open prospects for on-chip coherent light sources, such as lasers, that are extremely small and ultrafast.
4th January 2017


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