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Home > News > Towards infrared nano-lasers

December 18th, 2003

Towards infrared nano-lasers

Nanoparticle light amplifiers that work at the near-infrared wavelengths of telecommunications technologies have been produced by US researchers. Victor Klimov and co-workers at Los Alamos National Laboratory in New Mexico show that 'optical gain' - the boosting of a light signal - can be achieved by lead selenide (PbSe) nanocrystals around the 1.5-Ám wavelength band used in today's fibre-optic networks.

* Nature

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