Error-free operation of physical stream cipher based on Y-00 protocol using 4096-level intensity modulation signals is demonstrated with the masking effect on the secret key. The intensity noise successfully masks 255-signal levels against direct-detection attack
© 2011 OSA
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.4080) Fiber optics and optical communications : Modulation
(060.4785) Fiber optics and optical communications : Optical security and encryption
F. Futami and O. Hirota, "Masking of 4096-level Intensity Modulation Signals by Noises for Secure Communication Employing Y-00 Cipher Protocol," in 37th European Conference and Exposition on Optical Communications, OSA Technical Digest (CD) (Optical Society of America, 2011), paper Tu.6.C.4.
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