Scientists have improved the performance of tiny lasers by adding impurities, in a discovery which will be central to the development of low-cost biomedical sensors, quantum computing, and a faster internet. A researcher added atoms of zinc to lasers one hundredth the diameter of a human hair and made of gallium arsenide -- a material used extensively in smartphones and other electronic devices,.
from Latest Science News -- ScienceDaily http://ift.tt/29lDQmE
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