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Masking of 4096-level intensity modulation signals by noises for secure communication employing Y-00 cipher protocol

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2 Author(s)
Futami, F. ; Quantum ICT Res. Lab., Tamagawa Univ., Tokyo, Japan ; Hirota, O.

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.

Published in:

Optical Communication (ECOC), 2011 37th European Conference and Exhibition on

Date of Conference:

18-22 Sept. 2011