Analog noise protected optical encryption with two-dimensional key space | Zendy

Ben Wu | Zendy; Matthew P. Chang | Zendy; Bhavin J. Shastri | Zendy; Zhenxing Wang | Zendy; Paul R. Prucnal | Zendy

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Analog noise protected optical encryption with two-dimensional key space

Author(s) -

Ben Wu,

Matthew P. Chang,

Bhavin J. Shastri,

Zhenxing Wang,

Paul R. Prucnal

Publication year - 2014

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.22.014568

Subject(s) - encryption , noise (video) , computer science , wideband , transmitter , phase noise , key (lock) , noise floor , electronic engineering , optics , telecommunications , noise measurement , physics , computer network , artificial intelligence , engineering , noise reduction , computer security , image (mathematics) , channel (broadcasting)

An optical encryption method based on analog noise is proposed and experimentally demonstrated. The transmitted data is encrypted with wideband analog noise. Without decrypting the data instantly at the receiver, the data is damaged by the noise and cannot be recovered by post-processing techniques. A matching condition in both phase and amplitude of the noise needs to be satisfied between the transmitter and the receiver to cancel the noise. The precise requirement of the phase and amplitude matching condition provides a large two-dimensional key space, which can be deployed in the encryption and decryption process at the transmitter and receiver.

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