via futurity.org
Many products today rely on the function of light or, more specifically, on applying information to a light wave. Up until now, research on electronic and optical devices with materials that are the basis of radio, TV, and computers have generally relied on nonlinear optical effects, producing devices with bandwidths limited to the gigahertz (GHz) frequency region. Hertz stands for cycles per second of a periodic phenomenon, in this case 1 billion cycles.
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