Achieving Physical Layer Security / Privacy with Self-Wrapped OCDM Transmission
ABSTRACT We present a novel transmission system using self-wrapped WHTS OCDM signals to achieve enhanced transmission security. Distributed key is encoded and time-spread to hide under noise in the network. BER of 10-4 is demonstrated experimentally.
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ABSTRACT: A simple in situ method to equalize power among individual wavelength pulses representing 2-D wavelength-hopping time-spreading optical code division multiple access (OCDMA) code originally generated by a fiber Bragg grating-based OCDMA encoder is presented. Experimental data obtained in a field-based multiuser OCDMA testbed shows that applying this method results in system performance enhancements, which was demonstrated by observing the improved bit error rate during the field trials.IEEE Journal of Quantum Electronics 09/2011; · 2.11 Impact Factor