Engineers have developed a novel concept for rapid data transfer via optical fiber 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 polarization 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 Top Technology News -- ScienceDaily https://ift.tt/2G0aAU0
Thursday, 4 April 2019
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