(Ruhr-University Bochum) Engineers have developed a novel concept for rapid data transfer via optical fibre cables. In current systems, a laser transmits light signals through the cables and information is coded in the modulation of light intensity. The new system, a semiconductor spin laser, is based on a modulation of light polarisation instead. The study demonstrates that spin lasers have the capacity of working at least five times as fast as the best traditional systems, while consuming only a fraction of energy.
from EurekAlert! - Technology, Engineering and Computer Science http://bit.ly/2uO8e4d
Friday, April 5, 2019
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