E
Evangelos Pikasis
Researcher at National and Kapodistrian University of Athens
Publications - 32
Citations - 456
Evangelos Pikasis is an academic researcher from National and Kapodistrian University of Athens. The author has contributed to research in topics: Modulation & Transmitter. The author has an hindex of 8, co-authored 30 publications receiving 358 citations. Previous affiliations of Evangelos Pikasis include American Hotel & Lodging Educational Institute.
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Implementation of 140 Gb/s true random bit generator based on a chaotic photonic integrated circuit.
TL;DR: A photonic integrated circuit that emits broadband chaotic signals is employed for ultra-fast generation of true random bit sequences, and the extreme robustness of the random bit generator for adaptive bit-rate operation and for various operating conditions of the PIC is demonstrated.
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Sub-Tb/s Physical Random Bit Generators Based on Direct Detection of Amplified Spontaneous Emission Signals
TL;DR: The most common optical amplified spontaneous emission sources can become the ultimate tools for the generation of ultra-broadband truly random bit sequences (TRBS) by using a straightforward configuration.
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Towards a Scaleable 5G Fronthaul: Analog Radio-over-Fiber and Space Division Multiplexing
Simon Rommel,Delphin Dodane,Evangelos Grivas,Bruno Cimoli,Jérôme Bourderionnet,Gilles Feugnet,Alvaro Morales,Evangelos Pikasis,Chris G. H. Roeloffzen,Paul van Dijk,Michail Katsikis,Konstantinos Ntontin,Dimitrios Kritharidis,Izabela Spaleniak,Paul Mitchell,Mykhaylo Dubov,Juliana Barros Carvalho,Idelfonso Tafur Monroy +17 more
TL;DR: The use of analog radio-over-fiber (ARoF) is proposed and demonstrated as a viable alternative which, combined with space division multiplexing in the optical distribution network as well as photonic integration of the required transceivers, shows a path to a scaleable fronthaul solution for 5G.
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Power losses in diffuse ultraviolet optical communications channels
TL;DR: This Letter numerically calculates optical losses taking into account the scattering effects using the Monte Carlo simulation technique, and results are compared with experimentally obtained data at 265 nm (solar-blind UV regime).
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DFT-Spread DMT Modulation for 1-Gb/s Transmission Rate Over 100 m of 1-mm SI-POF
TL;DR: In this paper, the DFT-spread DMT was used for the first time in short range optical transmission (over 100 m) with 1-mm step-index plastic optical fiber link, and its superior performance, compared with the standard DMT scheme, was demonstrated.