White lasers now compete with LEDs
9 years, 7 months ago

White lasers now compete with LEDs

The Hindu  

Bringing together the fields of nanotechnology, novel growth techniques and lasers, a group from Arizona State University has achieved for the first time, white lasers. In a paper published recently in Nature Nanotechnology, Cun-Zheng Ning and his doctoral students have revealed how they have developed this technology of a white laser. In their work, Prof. Ning and others have created a novel nanosheet which measures one-fifth of the thickness of a human hair across and one thousandth of the thickness of a human hair in height. White laser light has been produced earlier using four separate coloured lasers combined together, but this technology could not be exploited to provide lighting.

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