COHERENT CHANNEL MIXING FOR OBFUSCATED OPTICAL COMMUNICATIONS
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United States of America Patent
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app pub date -
Feb 11, 2016
filing date -
Feb 11, 2016
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Abstract
Aspects of the present disclosure involve coherently mixing information in a first optical signal with information from one or more other optical signals, the optical signals being synchronous, to generate a mixed optical signal that obfuscates the information of the first optical signal. Each of the other optical signals is likewise mixed with a combination of the first and/or other optical signals resulting in a collection of mixed optical signals, none of which resemble the original first and other optical signals. When each of the mixed optical signals is transmitted in a separate optical fiber, then eavesdropping on only a single fiber cannot yield an unambiguous recovery of any one of the original optical signals.
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