Multidimensional Secure Multilevel Polarization Shift Keying
2016
We investigate a technique to improve the information confidentiality in optical fiber telecommunications. Starting from a basic scheme of unconventional coding technique [1] applied to a three-dimensional polarization shift keying, we extend the method to a four-dimensional physical space [2] to demonstrate the general applicability of the cryptographic method and to achieve better performance in terms of transmission throughput. Bit error rate (BER) is calculated for hypercube constellation modulation in two, three, and four dimensions, and an interesting relation among BER, transmission power, and space dimension is derived.
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