SECURE DATA TRANSMISSION VIA SPATIALLY MULTIPLEXED OPTICAL SIGNALS
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United States of America Patent
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app pub date -
Dec 28, 2012
filing date -
Dec 28, 2012
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Abstract
Various embodiments provide secure optical transmission of data. Noise may be added to optical signals transmitted by spatial paths of a multimode optical fiber. The noise may be added electrically prior to modulation, or optically after modulation. In some embodiments a transmitter and a receiver cooperate to maintain a noise level sufficient to place a tapped signal in a noise regime that provides a predetermined level of data security.
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