Private Communications Using Optical Chaos

Valerio Annovazzi-Lodi, Giuseppe Aromataris and Mauro Benedetti

A chapter in Chaos Theory from IntechOpen

Abstract: After a brief summary of the basic methods for secure transmission using optical chaos, we report on most recent achievements, namely, on the comparison between the standard two-laser and the three-laser schemes and on the network architecture for multiuser secure transmission. From our investigations, we found that while both the basic two-laser and the three-laser schemes are suitable to secure data exchange, the three-laser scheme offers a better level of privacy due to its symmetrical topology. Moreover, while transmission based on optical chaos is usually restricted to point-to-point interconnections, a more advanced solution, derived from the well-known public key cryptography, allows for private message transmission between any couple of subscribers in a network.

Keywords: chaos; cryptography; steganography; laser; telecommunications; synchronization (search for similar items in EconPapers)
JEL-codes: C60 (search for similar items in EconPapers)
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Persistent link: https://EconPapers.repec.org/RePEc:ito:pchaps:128906

DOI: 10.5772/intechopen.70896

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