Nantsou T, Frache G, Kapotis EC, Nistazakis HE, Tombras GS. Learning-by-doing as an educational method of conducting experiments in electronic physics. In: IEEE Global Engineering Education Conference, EDUCON. Vol. 2020-April. ; 2020. pp. 236-241. Website

Roumelas GD, Nistazakis HE, Stassinakis AN, Varotsos GK, Tsigopoulos AD, Tombras GS. Time Jitter, Turbulence and Chromatic Dispersion in Underwater Optical Wireless Links. Technologies [Internet]. 2020;8. Website

Stassinakis AN, Nistazakis HE, Varotsos GK, Tombras GS. Performance of Underwater Wireless Optical Link Under Weak Turbulence and Pointing Errors Using Heterodyne QAM Technique. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) [Internet]. 2020;11616 LNCS:552-559. Website

Gripeos PJ, Nistazakis HE, Roumelas GD, Christofilakis V, Tsigopoulos AD, Tombras GS. DF Relayed OOK and PAM FSO Links with Turbulence and Time Jitter. In: CoBCom 2020 - International Conference on Broadband Communications for Next Generation Networks and Multimedia Applications - Proceedings. ; 2020. Website

Androutsos NA, Nistazakis HE, Gappmair W, Stassinakis AN, Tombras GS. Pointing errors influence at the performance of a multi-hop terrestrial FSO link emulated by a dual-hop scheme. Optics Communications [Internet]. 2020;475. Website

Roumelas GD, Nistazakis HE, Leitgeb E, Stassinakis AN, Tombras GS. On the performance of optical wireless communication links impaired by time jitter, M-turbulence and pointing errors. Optics Communications [Internet]. 2020;472. Website

Stassinakis AN, Nistazakis HE, Chatzikontis EV, Roumelas GD, Tombras GS, Tsigopoulos AD, Mkrttchian G. An Empirical Expression for Attenuation Coefficient Evaluation of FSO Links during Night-Time over Maritime Area of Piraeus Port in Greece. In: 2020 9th International Conference on Modern Circuits and Systems Technologies, MOCAST 2020. ; 2020. Website

Giakoumis A, Androutsos NA, Volos CK, Moysis L, Nistazakis HE, Tombras GS. A Chaotic Circuit with Bi-Color LED as a Nonlinear Element. In: 2020 9th International Conference on Modern Circuits and Systems Technologies, MOCAST 2020. ; 2020. Website

Androutsos NA, Nistazakis HE, Manganaris KN, Tombras GS, Leitgeb E, Volos CK. Outage Probability Estimation for a Multi-hop Terrestrial FSO Link Simplified to a Dual-hop Scheme. In: 2020 9th International Conference on Modern Circuits and Systems Technologies, MOCAST 2020. ; 2020. Website

Roumelas GD, Nistazakis HE, Leitgeb E, Ivanov HD, Volos CK, Tombras GS. Serially DF relayed hybrid FSO/MMW links with Weibull fading, M-turbulence and pointing errors. Optik [Internet]. 2020;216. Website