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Journals and Conferences
We describe an upgrade scenario from current passive optical networks (PON) to wavelength routed fibre-to-the-home (FTTH) networks. The theoretical and experimental study of a bidirectional access network topology based on cascaded arrayed waveguide gratings (AWG) is presented. By combining a 16times16 AWG in the exchange point and multiple 1times16 AWGs in… (More)
Physical layer cryptography offers the unique possibility of certifiably secure data transmission between remote locations. We present here for the first time, to our knowledge, the experimental results of a secure full Poincare occupancy polarization encrypted data transmission system. The scheme uses an approach to macroscopic physical layer cryptography… (More)
Unlike the conventional 2<sup>M</sup> level soft decision, a new soft decoding technique is proposed on optical ternary system. It is shown that (85<sup>2</sup>,74<sup>2</sup>,6) code improves at 10 dB coding gain whilst increasing the code efficiency.