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In this paper, an approach for enhancing the security against eavesdropping in optical stealth system is proposed and demonstrated via computer simulations. The proposed approach is based on the concept of optical code-division multiple-access (OCDMA) technology, and the technique of optical code scrambling is applied to enhance the security of stealth channel. Based on this technique, a stealth channel...
A method to enhance the security of the optical stealth channel is proposed. The proposed method uses the techniques of polarization modulator based code-shift-keying (CSK) data modulation and optical code-division multiple-access (OCDMA) en/decoding, where an incoherent light source is needed. Our analysis and experimental results show that the CSK-OCDMA signal, where a wavelength selective switch...
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