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    Ultra-fast secure communication with complex systems in classical channels (Conference Presentation)

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    Type
    Conference Paper
    Authors
    Mazzone, Valerio cc
    Di Falco, Andrea
    Fratalocchi, Andrea cc
    KAUST Department
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering Program
    Date
    2017-04-28
    Permanent link to this record
    http://hdl.handle.net/10754/625394
    
    Metadata
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    Abstract
    Developing secure communications is a research area of growing interest. During the past years, several cryptographic schemes have been developed, with Quantum cryptography being a promising scheme due to the use of quantum effects, which make very difficult for an eavesdropper to intercept the communication. However, practical quantum key distribution methods have encountered several limitations; current experimental realizations, in fact, fail to scale up on long distances, as well as in providing unconditional security and speed comparable to classical optical communications channels. Here we propose a new, low cost and ultra-fast cryptographic system based on a fully classical optical channel. Our cryptographic scheme exploits the complex synchronization of two different random systems (one on the side of the sender and another on the side of the receiver) to realize a “physical” one paid system. The random medium is created by an optical chip fabricated through electron beam lithography on a Silicon On Insulator (SOI) substrate. We present experiments with ps lasers and commercial fibers, showing the ultrafast distribution of a random key between two users (Alice and Bob), with absolute no possibility for a passive/active eavesdropper to intercept the communication. Remarkably, this system enables the same security of quantum cryptography, but with the use of a classical communication channel. Our system exploits a unique synchronization that exists between two different random systems, and at such is extremely versatile and can enable safe communications among different users in standards telecommunications channels.
    Citation
    Mazzone V, Di Falco A, Fratalocchi A (2017) Ultra-fast secure communication with complex systems in classical channels (Conference Presentation) . Silicon Photonics XII. Available: http://dx.doi.org/10.1117/12.2251940.
    Publisher
    SPIE-Intl Soc Optical Eng
    Journal
    Silicon Photonics XII
    Conference/Event name
    Conference on Silicon Photonics XII
    DOI
    10.1117/12.2251940
    10.1117/12.2251940.5393348501001
    Additional Links
    https://www.spiedigitallibrary.org/conference-proceedings-of-spie/10108/1/Ultra-fast-secure-communication-with-complex-systems-in-classical-channels/10.1117/12.2251940.full
    ae974a485f413a2113503eed53cd6c53
    10.1117/12.2251940
    Scopus Count
    Collections
    Conference Papers; Electrical and Computer Engineering Program; Presentations; Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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