Security

All-Optical Cryptographic Device for Secure Communication

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Executive Summary

An all-optical cryptographic device for secure communication, based on the properties of soliton beams, is presented. It can encode a given bit stream of optical pulses, changing their phase and their amplitude as a function of an encryption serial key that merge with the data stream, generating a ciphered stream. The greatest advantage of the device is real-time encrypting - data can be transmitted at the original speed with-out slowing down. The device described in this paper is capable of codifying a given bit stream of optical pulses, changing their phase and their amplitude as a function of an encryption serial key that merges with the data stream, generating a ciphered stream.

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