Kafetzis I, Moysis L, Tutueva A, Butusov D, Nistazakis H, Volos C. A 1D coupled hyperbolic tangent chaotic map with delay and its application to password generation. Multimedia Tools and Applications [Internet]. 2022. Website

Kafetzis I, Moysis L, Volos C, Nistazakis H, Munoz-Pacheco JM, Stouboulos I. Automata-Derived Chaotic Image Encryption Scheme. In: 2022 11th International Conference on Modern Circuits and Systems Technologies, MOCAST 2022. ; 2022. Website

Petavratzis E, Volos C, Moysis L, Nistazakis H, Giakoumis A, Stouboulos I. Experimental Coverage Performance of a Chaotic Autonomous Mobile Robot. In: 2022 11th International Conference on Modern Circuits and Systems Technologies, MOCAST 2022. ; 2022. Website

Charalampidis N, Volos C, Moysis L, Nistazakis HE, Stouboulos I. A Novel Piecewise Chaotic Map for Image Encryption. In: 2022 11th International Conference on Modern Circuits and Systems Technologies, MOCAST 2022. ; 2022. Website

Lionis A, Chaskakis G, Cohn K, Blau J, Peppas K, Nistazakis HE, Tsigopoulos A. Optical turbulence measurements and modeling over Monterey Bay. Optics Communications [Internet]. 2022;520. Website

Khalid H, Nistazakis HE, Muhammad SS, Raza AD. Outage Performance Estimation of a MISO FSO System with OOK Signaling and Alamouti Type Space-Time Coding. Electronics (Switzerland) [Internet]. 2022;11. Website

Kriempardis D, Gripeos PJ, Kapotis E, Nistazakis HE, Tsigopoulos AD, Volos CK. Outage Performance of FSO Links with Chirped Gaussian Pulses and Truncated Modeled Time Jitter. In: 2022 11th International Conference on Modern Circuits and Systems Technologies, MOCAST 2022. ; 2022. Website

Varotsos GK, Chatzikontis EV, Kapotis E, Nistazakis HE, Aidinis K, Christofilakis V. THz Links Performance Study for Gamma Turbulence Links with Path Loss and Pointing Errors. In: 2022 11th International Conference on Modern Circuits and Systems Technologies, MOCAST 2022. ; 2022. Website

Stassinakis N, Androutsos NA, Sinanovic S, Ninos MP, Nistazakis HE. On the block error rate of FSO links with diversity over mixture gamma turbulence channels. Journal of Modern Optics [Internet]. 2021;68:927-935. Website

Volos C, Pham V-T, Nistazakis H. The fourth circuit element was found: A brief history.; 2021 pp. 3-15. Website

Androutsos NA, Nistazakis HE, Petkovic MI, Djordjevic GT, Stassinakis AN, Volos CK. Multi-hop DF relayed FSO links with various modulation formats emulated by a dual-hop scheme for strong turbulence conditions. Optik [Internet]. 2021;227. Website

Lionis A, Peppas K, Nistazakis HE, Tsigopoulos A, Cohn K. Statistical modeling of received signal strength for an FSO link over maritime environment. Optics Communications [Internet]. 2021;489. Website

Eleftheriou GI, Kalkanis GT, Kapotis EC, Nistazakis HE. A step that paves the way of teaching modern electrical circuits. In: IEEE Global Engineering Education Conference, EDUCON. Vol. 2021-April. ; 2021. pp. 459-462. Website

Lionis A, Peppas K, Nistazakis HE, Tsigopoulos A, Cohn K, Zagouras A. Using machine learning algorithms for accurate received optical power prediction of an fso link over a maritime environment. Photonics [Internet]. 2021;8. Website

Androutsos NA, Nistazakis HE, Sandalidis HG, Leitgeb E, Tombras GS. Α dual-hop equivalent structure of a generalised multi-hop free-space optics network. IET Communications [Internet]. 2021;15:730-735. Website

Petavratzis E, Volos C, Ouannas A, Nistazakis H, Valavanis K, Stouboulos I. A 2D Discrete Chaotic Memristive Map and Its Application in Robot's Path Planning. In: 2021 10th International Conference on Modern Circuits and Systems Technologies, MOCAST 2021. ; 2021. Website

Gripeos PJ, Nistazakis HE, Varotsos GK, Gappmair W, Tsigopoulos AD. 3Time Jitter Influence on the Performance of PPM or PAM SIMO FSO Links over M-Turbulence Channels. In: Proceedings of the 16th International Conference on Telecommunications, ConTEL 2021. ; 2021. pp. 37-42. Website

Gripeos PJ, Nistazakis HE, Roditi E, Roumelas GD, Tombras GS, Volos CK. On the BER Performance of OOK FSO Links with Receivers' Diversity and Time Jitter over Strong Turbulence Channels. In: 2021 10th International Conference on Modern Circuits and Systems Technologies, MOCAST 2021. ; 2021. Website

Androutsos NA, Nistazakis HE, Stassinakis AN, Chatzikontis EV, Tsigopoulos AD, Roditi E, Tombras GS. Block Error Performance of PAM or PPM SIMO FSO Links over Strong Turbulence Channels. In: 2021 10th International Conference on Modern Circuits and Systems Technologies, MOCAST 2021. ; 2021. Website

Papavgeris GA, Stassinakis AN, Nistazakis HE, Chatzikontis EV, Tsigopoulos AD, Christofilakis V. Experimental Attenuation Coefficient Estimation for FSO Links over Maritime Area during Summer Time. In: 2021 10th International Conference on Modern Circuits and Systems Technologies, MOCAST 2021. ; 2021. Website

Moysis L, Giakoumis A, Iatropoulos A, Volos C, Nistazakis H, Stouboulos I. Hardware Design and Implementation of a Wireless Chaotic Text Encryption Scheme. In: 2021 10th International Conference on Modern Circuits and Systems Technologies, MOCAST 2021. ; 2021. Website

Androutsos NA, Nistazakis HE, Varotsos GK, Roditi E, Leitgeb E. Influence of Pointing Errors at the Block Error Rate Performance of Strong Turbulent SIMO FSO Links. In: Proceedings of the 16th International Conference on Telecommunications, ConTEL 2021. ; 2021. pp. 43-48. Website

Androutsos NA, Nistazakis HE, Chatzikontis EV, Stassinakis AN, Tombras GS. Spatial jitter influence on the average bler performance of SIMO FSO links over atmospheric turbulence channels. Electronics (Switzerland) [Internet]. 2021;10. Website

Gripeos PJ, Nistazakis HE, Tsigopoulos AD, Christofilakis V, Roditi E. Time and spatial jitter influence on the performance of fso links with df relays and oc diversity over turbulence channels. Photonics [Internet]. 2021;8. Website

Varotsos GK, Nistazakis HE, Aidinis K, Jaber F, Nasor M, Mujeeb Rahman KK. On the Utilization of L-PAM Technique in Transdermal Optical Wireless Links with Stochastic Pointing Errors for ABER Performance Estimation. In: 2021 10th International Conference on Modern Circuits and Systems Technologies, MOCAST 2021. ; 2021. Website

Petavratzis E, Moysis L, Volos C, Stouboulos I, Nistazakis H, Valavanis K. A chaotic path planning generator enhanced by a memory technique. Robotics and Autonomous Systems [Internet]. 2021;143. Website

Varotsos GK, Aidinis K, Nistazakis HE. On the Outage Capacity of Transdermal Optical Wireless Links with Stochastic Spatial Jitter and Skin‐Induced Attenuation. Photonics [Internet]. 2021;8. Website

Tatsis G, Christofilakis V, Chronopoulos SK, Kostarakis P, Nistazakis HE, Repapis C, Tritakis V. Design and implementation of a test fixture for ELF schumann resonance magnetic antenna receiver and magnetic permeability measurements. Electronics (Switzerland) [Internet]. 2020;9. 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

Moysis L, Petavratzis E, Marwan M, Volos C, Nistazakis H, Ahmad S. Analysis, Synchronization, and Robotic Application of a Modified Hyperjerk Chaotic System. Complexity [Internet]. 2020;2020. Website

Gappmair W, Nistazakis HE. Blind Symbol Timing Estimation for Bandlimited Optical Intensity Channels. In: 2020 12th International Symposium on Communication Systems, Networks and Digital Signal Processing, CSNDSP 2020. ; 2020. Website

Petavratzis E, Moysis L, Volos C, Nistazakis H, Muñoz-Pacheco JM, Stouboulos I. Chaotic path planning for grid coverage using a modified logistic-may map. Journal of Automation, Mobile Robotics and Intelligent Systems [Internet]. 2020;14:3-9. Website

Moysis L, Petavratzis E, Volos C, Nistazakis H, Stouboulos I. A chaotic path planning generator based on logistic map and modulo tactics. Robotics and Autonomous Systems [Internet]. 2020;124. 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

Lionis A, Peppas K, Nistazakis HE, Tsigopoulos AD, Cohn K. Experimental performance analysis of an optical communication channel over maritime environment. Electronics (Switzerland) [Internet]. 2020;9:1-16. Website

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

Christofilakis V, Tatsis G, Lolis CJ, Chronopoulos SK, Kostarakis P, Bartzokas A, Nistazakis HE. A rain estimation model based on microwave signal attenuation measurements in the city of Ioannina, Greece. Meteorological Applications [Internet]. 2020;27. Website

Roumelas GD, Nistazakis HE, Gappmair W, Gripeos PJ, Christofilakis V. Time jitter influence on the performance of gamma–gamma turbulence FSO links with various modulation schemes. Journal of Modern Optics [Internet]. 2020;67:721-729. Website

Moysis L, Tutueva A, Volos C, Butusov D, Munoz-Pacheco JM, Nistazakis H. A two-parameter modified logistic map and its application to random bit generation. Symmetry [Internet]. 2020;12. Website

Varotsos GK, Nistazakis HE, Aidinis K, Jaber F, Mujeeb Rahman KK, Tsigopoulos AD, Christofilakis V. Average BER estimation of retroreflective transdermal optical wireless links with diversity, attenuation and spatial jitter. 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

Moysis L, Petavratzis E, Volos C, Nistazakis H, Stouboulos I, Valavanis K. A Chaotic Path Planning Method for 3D Area Coverage Using Modified Logistic Map and a Modulo Tactic. In: 2020 International Conference on Unmanned Aircraft Systems, ICUAS 2020. ; 2020. pp. 220-227. Website

Christofilakis V, Tatsis G, Chronopoulos SK, Sakkas A, Skrivanos AG, Peppas KP, Nistazakis HE, Baldoumas G, Kostarakis P. Earth-to-earth microwave rain attenuation measurements: A survey on the recent literature. Symmetry [Internet]. 2020;12. 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

Volos C, Nistazakis H, Pham V-T, Stouboulos I. The first experimental evidence of chaos from a nonlinear circuit with a real memristor. In: 2020 9th International Conference on Modern Circuits and Systems Technologies, MOCAST 2020. ; 2020. Website

Petavratzis E, Moysis L, Volos C, Nistazakis H, Munoz-Pacheco JM, Stouboulos I. Motion Control of a Mobile Robot Based on a Chaotic Iterative Map. 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

Varotsos GK, Nistazakis HE, Aidinis K, Jaber F, Rahman KKM. Transdermal subcarrier L-PSK or DBPSK optical wireless links with time diversity, skin attenuation and spatial jitter. Journal of Modern Optics [Internet]. 2020;67:1233-1240. Website

Volos CK, Pham V-T, Nistazakis HE, Stouboulos IN. A Dream that has Come True: Chaos from a Nonlinear Circuit with a Real Memristor. International Journal of Bifurcation and Chaos [Internet]. 2020;30. 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

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

Petavratzis EK, Volos CK, Stouboulos IN, Nistazakis HE, Kyritsi KG, Valavanis KP. Coverage Performance of a Chaotic Mobile Robot Using an Inverse Pheromone Model. In: 2019 8th International Conference on Modern Circuits and Systems Technologies, MOCAST 2019. ; 2019. Website

Frache G, Tombras GS, Nistazakis HE, Thompson N. Pedagogical approaches to 21st century learning: A model to prepare learners for 21st century competencies and skills in engineering. In: IEEE Global Engineering Education Conference, EDUCON. Vol. April-2019. ; 2019. pp. 711-717. Website

Androutsos NA, Nistazakis HE, Stassinakis AN, Sandalidis HG, Tombras GS. Performance of SIMO FSO links over mixture composite irradiance channels. Applied Sciences (Switzerland) [Internet]. 2019;9. Website

Frache G, Vavasis GG, Mkrttchian G, Stavropoulos K, Kapotis EC, Nistazakis HE, Tombras GS. Research and categorization of conceptual difficulties in electricity's concepts and basic laws. In: IEEE Global Engineering Education Conference, EDUCON. Vol. April-2019. ; 2019. pp. 999-1006. Website

Androutsos NA, Nistazakis HE, Khalid H, Muhammad SS, Tombras GS. Serial DF relayed FSO links over mixture Gamma turbulence channels and nonzero boresight spatial jitter. Computation [Internet]. 2019;7. Website

Varotsos GK, Nistazakis HE, Gappmair W, Sandalidis HG, Tombras GS. Simo subcarrier psk fso links with phase noise and non-zero boresight pointing errors over turbulence channels. IET Communications [Internet]. 2019;13:831-836. Website

Ninos MP, Nistazakis HE, Leitgeb E, Tombras GS. Spatial diversity for QAM OFDM RoFSO links with nonzero boresight pointing errors over atmospheric turbulence channels. Journal of Modern Optics [Internet]. 2019;66:241-251. Website

Varotsos GK, Nistazakis HE, Aidinis K, Jaber F, Rahman KKM. Transdermal optical wireless links with multiple receivers in the presence of skin-induced attenuation and pointing errors. Computation [Internet]. 2019;7. Website

Roumelas GD, Nistazakis HE, Stassinakis AN, Volos CK, Tsigopoulos AD. Underwater optical wireless communications with chromatic dispersion and time jitter. Computation [Internet]. 2019;7. Website

Moysis L, Volos C, Takhi H, Kemih K, Goudos S, Nistazakis HE. Analysis, Synchronization and Microcontroller Implementation of a Generalized Hyperjerk System, with Application to Secure Communications Using a Descriptor Observer. In: 5th Panhellenic Conference on Electronics and Telecommunications, PACET 2019. ; 2019. Website

Androutsos NA, Nistazakis HE, Stassinakis AN, Tombras GS, Tsigopoulos AD. DF Relayed QAM or DBPSK FSO Links with Generalized Pointing Errors over Mixture Gamma Turbulence Channels. In: 2019 8th International Conference on Modern Circuits and Systems Technologies, MOCAST 2019. ; 2019. Website

Manousou DK, Stassinakis AN, Syskakis E, Nistazakis HE, Gardelis S, Tombras GS. Experimental implementation and theoretical investigation of a vanadium dioxide optical filter for bit error rate enhancement of enhanced space shift keying Visible Light Communication systems. Computation [Internet]. 2019;7. Website

Varotsos GK, Nistazakis HE, Aidinis K, Roumelas GD, Jaber F, Rahman KKM. Modulated Retro-Reflector Transdermal Optical Wireless Communication Systems with Wavelength Diversity over Skin-Induced Attenuation and Pointing Errors. In: 2019 IEEE 19th International Symposium on Signal Processing and Information Technology, ISSPIT 2019. ; 2019. Website

Khalid H, Sheikh Muhammad S, Nistazakis HE, Tombras GS. Performance analysis of hard-switching based hybrid FSO/RF system over turbulence channels. Computation [Internet]. 2019;7. Website

Roumelas GD, Nistazakis HE, Aidinis K, Varotsos GK, Leitgeb E. Total Outage Probablity of a Multihop Hybrid FSO/MMW System. In: 2019 IEEE 19th International Symposium on Signal Processing and Information Technology, ISSPIT 2019. ; 2019. Website

Roumelas GD, Nistazakis HE, Stassinakis AN, Tombras GS, Volos CK. Triple Hybrid Terresstrial FSO/RF/MMW System with Receiver's Diversity. In: 2019 8th International Conference on Modern Circuits and Systems Technologies, MOCAST 2019. ; 2019. Website

Varotsos GK, Nistazakis HE, Tombras GS, Aidinis K, Jaber F, Mujeeb Rahman KK. On the use of Diversity in Transdermal Optical Wireless Links with Nonzero Boresight Pointing Errors for Outage Performance Estimation. In: 2019 8th International Conference on Modern Circuits and Systems Technologies, MOCAST 2019. ; 2019. Website

Ninos MP, Nistazakis HE, Sandalidis HG, Stassinakis AN, Tombras GS. Block error rate performance of OOK freespace optical links over gamma-gamma turbulence channels with generalised nonzero boresight pointing errors. IET Optoelectronics [Internet]. 2018;12:269-272. Website

Frache G, Nistazakis H, Tombras G. Constructing learning-by-doing pedagogical model for delivering 21st century engineering education. Advances in Science, Technology and Engineering Systems [Internet]. 2018;3:115-124. Website

Daltzis PA, Gerodimos NA, Volos CK, Nistazakis HE, Tombras GS. Experimental observation of antimonotonicity in a nonlinear R-L-Diode circuit. Journal of Engineering Science and Technology Review [Internet]. 2018;11:72-81. Website

Daltzis PA, Volos CK, Nistazakis HE, Tsigopoulos AD, Tombras GS. Analysis, synchronization and circuit design of a 4D hyperchaotic hyperjerk system. Computation [Internet]. 2018;6. Website

Ninos MP, Nistazakis HE, Stassinakis AN, Tombras GS, Christofilakis V, Tsigopoulos AD. CDMA radio on FSO links over gamma turbulence channels with nonzero boresight pointing errors. In: 2018 7th International Conference on Modern Circuits and Systems Technologies, MOCAST 2018. ; 2018. pp. 1-4. Website

Ninos MP, Nistazakis HE, Sandalidis HG, Tombras GS. CDMA RoFSO Links with Nonzero Boresight Pointing Errors over M Turbulence Channels. IEEE Photonics Journal [Internet]. 2018;10. Website

Varotsos GK, Nistazakis HE, Gappmair W, Sandalidis HG, Tombras GS. DF relayed subcarrier FSO links over Malaga turbulence channels with phase noise and non-zero boresight pointing errors. Applied Sciences (Switzerland) [Internet]. 2018;8. Website

Manousou DK, Stassinakis AN, Syskakis E, Nistazakis HE, Tombras GS, Volos CK, Tsigopoulos AD. Estimation of the influence of Vanadium dioxide optical filters at the performance of visible light communication systems. In: 2018 7th International Conference on Modern Circuits and Systems Technologies, MOCAST 2018. ; 2018. pp. 1-4. Website

Daltzis P, Vaidyanathan S, Pham V-T, Volos C, Nistazakis E, Tombras G. Hyperchaotic Attractor in a Novel Hyperjerk System with Two Nonlinearities. Circuits, Systems, and Signal Processing [Internet]. 2018;37:613-635. Website

Petavratzis EK, Volos CK, Nistazakis HE, Stouboulos IN, Kyprianidis IM. An improved motion controller of a mobile robot based on a hyperchaotic system. International Journal of Mechanics [Internet]. 2018;12:200-204. Website

Varotsos GK, Nistazakis HE, Stassinakis AN, Tombras GS, Christofilakis V, Volos CK. Outage performance of mixed, parallel and serial DF relayed FSO links over weak turbulence channels with nonzero boresight pointing errors. In: 2018 7th International Conference on Modern Circuits and Systems Technologies, MOCAST 2018. ; 2018. pp. 1-4. Website

Tatsis G, Votis CI, Christofilakis V, Chronopoulos SK, Kostarakis P, Lolis CJ, Bartzokas A, Nistazakis HE. Rainfall events' correlation with S-band signal attenuation. In: 2018 7th International Conference on Modern Circuits and Systems Technologies, MOCAST 2018. ; 2018. pp. 1-4. Website

Petavratzis EK, Volos CK, Stouboulos IN, Kyprianidis IM, Nistazakis HE, Tombras GS. Robot's path planning based on emulated finite resistive grids. In: 2018 7th International Conference on Modern Circuits and Systems Technologies, MOCAST 2018. ; 2018. pp. 1-4. Website

Ninos MP, Nistazakis HE. Spatial diversity for CDMA RoFSO links over m turbulence channels with nonzero boresight pointing errors. Computation [Internet]. 2018;6. Website

Volos C, Vaidyanathan S, Pham V-T, Nistazakis HE, Stouboulos IN, Kyprianidis IM, Tombras GS. Adaptive control and synchronization of a memristor-based Shinriki’s system. Studies in Computational Intelligence [Internet]. 2017;701:237-261. Website

Varotsos GK, Nistazakis HE, Tombras GS, Gappmair W. Average error performance in Subcarrier PSK FSO links over weak turbulence channels with spatial jitter and phase noise. In: 2017 6th International Conference on Modern Circuits and Systems Technologies, MOCAST 2017. ; 2017. Website

Ninos MP, Nistazakis HE, Stassinakis AN, Varotsos GK, Tombras GS, Volos CK. Block error rate estimation for wireless optical communication links over strong turbulence channels with pointing errors. In: 2017 6th International Conference on Modern Circuits and Systems Technologies, MOCAST 2017. ; 2017. Website

Varotsos GK, Nistazakis HE, Ninos MP, Tombras GS, Tsigopoulos AD, Volos CK. DF relayed FSO communication systems with time dispersion over Gamma Gamma turbulence and misalignment. In: 2017 6th International Conference on Modern Circuits and Systems Technologies, MOCAST 2017. ; 2017. Website

Gerodimos NA, Daltzis PA, Volos CK, Nistazakis HE, Tombras GS. An experimental study of chaotic phenomena in the rl-diode circuit driven by a square wave.; 2017 pp. 315-339. Website

Gappmair W, Nistazakis HE. Subcarrier PSK Performance in Terrestrial FSO Links Impaired by Gamma-Gamma Fading, Pointing Errors, and Phase Noise. Journal of Lightwave Technology [Internet]. 2017;35:1624-1632. Website

Ninos MP, Nistazakis HE, Tombras GS. On the BER performance of FSO links with multiple receivers and spatial jitter over gamma-gamma or exponential turbulence channels. Optik [Internet]. 2017;138:269-279. Website

Prousalis DA, Volos CK, Stouboulos IN, Kyprianidis IM, Nistazakis HE, Tombras GS. Chaotic synchronization in coupled neuronal circuits via a memristor. In: 4th Panhellenic Conference on Electronics and Telecommunications, PACET 2017. Vol. 2018-January. ; 2017. pp. 1-4. Website

Menounou S, Stassinakis AN, Nistazakis HE, Tombras GS, Sandalidis HG. Coverage area estimation for high performance eSSK visible light communication systems. In: 4th Panhellenic Conference on Electronics and Telecommunications, PACET 2017. Vol. 2018-January. ; 2017. pp. 1-4. Website

Varotsos GK, Nistazakis HE, Tombras GS. OFDM RoFSO links with relays over turbulence channels and nonzero boresight pointing errors. Journal of Communications [Internet]. 2017;12:644-660. Website

Frache G, Nistazakis HE, Tombras GS. Reengineering engineering education: Developing a constructively aligned learning-by-doing pedagogical model for 21st century education. In: IEEE Global Engineering Education Conference, EDUCON. ; 2017. pp. 1119-1124. Website

Varotsos GK, Nistazakis HE, Petkovic MI, Djordjevic GT, Tombras GS. SIMO optical wireless links with nonzero boresight pointing errors over M modeled turbulence channels. Optics Communications [Internet]. 2017;403:391-400. Website

Ninos MP, Nistazakis HE, Tombras GS, Volos CK. SIMO PPM optical wireless communication system over gamma turbulence channels with generalized pointing errors. In: 4th Panhellenic Conference on Electronics and Telecommunications, PACET 2017. Vol. 2018-January. ; 2017. pp. 1-4. Website

Varotsos GK, Nistazakis HE, Volos CK, Tombras GS. FSO links with diversity pointing errors and temporal broadening of the pulses over weak to strong atmospheric turbulence channels. Optik [Internet]. 2016;127:3402-3409. Website

Giakoumis AE, Volos CK, Stouboulos IN, Kyprianidis IM, Nistazakis HE, Tombras GS. Implementation of a laboratory-based educational tool for teaching nonlinear circuits and chaos. Studies in Computational Intelligence [Internet]. 2016;636:379-407. Website

Volos CK, Giakoumis A, Kyprianidis IM, Stouboulos IN, Nistazakis HE, Tombras GS. Synchronization phenomena in coupled non-identical chaotic circuits. Journal of Engineering Science and Technology Review [Internet]. 2016;9:34-38. Website

Popoola WO, Sinanovic S, Nistazakis HE. Enhancing the error performance of optical SSK under correlated channel condition. In: 2016 IEEE International Conference on Communications Workshops, ICC 2016. ; 2016. pp. 7-11. Website

Varotsos GK, Nistazakis HE, Stassinakis AN, Tombras GS, Volos CK. On the influence of time dispersion at the availability of optical wireless links with diversity and spatial jitter over Malaga-modeled turbulence. In: 2016 5th International Conference on Modern Circuits and Systems Technologies, MOCAST 2016. ; 2016. Website

Stassinakis AN, Nistazakis HE, Varotsos GK, Tombras GS, Tsigopoulos AD, Christofilakis V. Outage capacity estimation of FSO links with pointing errors over gamma turbulence channels. In: 2016 5th International Conference on Modern Circuits and Systems Technologies, MOCAST 2016. ; 2016. Website

Nistazakis HE, Ninos MP, Tsigopoulos AD, Zervos DA, Tombras GS. Performance study of terrestrial multi-hop OFDM FSO communication systems with pointing errors over turbulence channels. Journal of Modern Optics [Internet]. 2016;63:1403-1413. Website

Nistazakis HE, Stassinakis AN, Sinanović S, Popoola WO, Tombras GS. Performance of quadrature amplitude modulation orthogonal frequency division multiplexing-based free space optical links with non-linear clipping effect over gamma-gamma modelled turbulence channels. IET Optoelectronics [Internet]. 2015;9:269-274. Website

Nistazakis HE, Stassinakis AN, Sandalidis HG, Tombras GS. QAM and PSK OFDM RoFSO over M-turbulence induced fading channels. IEEE Photonics Journal [Internet]. 2015;7. Website

Nistazakis HE, Stassinakis AN, Sheikh Muhammad S, Tombras GS. BER estimation for multi-hop RoFSO QAM or PSK OFDM communication systems over gamma gamma or exponentially modeled turbulence channels. Optics and Laser Technology [Internet]. 2014;64:106-112. Website

Nistazakis HE, Stassinakis AN, Tombras GS, Muhammad SS, Tsigopoulos AD. K modeled turbulence and nonlinear clipping for QAM OFDM with FSO and fiber serially linked. In: 2014 20th International Conference on Microwaves, Radar and Wireless Communications, MIKON 2014. ; 2014. Website

Varotsos GK, Stassinakis AN, Nistazakis HE, Tsigopoulos AD, Peppas KP, Aidinis CJ, Tombras GS. Probability of fade estimation for FSO links with time dispersion and turbulence modeled with the gamma-gamma or the I-K distribution. Optik [Internet]. 2014;125:7191-7197. Website

Gerodimos NA, Daltzis PA, Hanias MP, Nistazakis HE, Tombras GS. Unimodal 1-D maps: Cousins in nature.; 2014 pp. 131-152. Website

Peppas KP, Stassinakis AN, Nistazakis HE, Tombras GS. Capacity analysis of dual amplify-and-forward relayed free-space optical communication systems over turbulence channels with pointing errors. Journal of Optical Communications and Networking [Internet]. 2013;5:1032-1042. Website

Stassinakis AN, Nistazakis HE, Peppas KP, Tombras GS. Improving the availability of terrestrial FSO links over log normal atmospheric turbulence channels using dispersive chirped Gaussian pulses. Optics and Laser Technology [Internet]. 2013;54:329-334. Website

Nistazakis HE. A time-diversity scheme for wireless optical links over exponentially modeled turbulence channels. Optik [Internet]. 2013;124:1386-1391. Website

Kanna T, Mareeswaran RB, Tsitoura F, Nistazakis HE, Frantzeskakis DJ. Non-autonomous bright-dark solitons and Rabi oscillations in multi-component Bose-Einstein condensates. Journal of Physics A: Mathematical and Theoretical [Internet]. 2013;46. Website

Peppas KP, Stassinakis AN, Topalis GK, Nistazakis HE, Tombras GS. Average capacity of optical wireless communication systems over I-K atmospheric turbulence channels. Journal of Optical Communications and Networking [Internet]. 2012;4:1026-1032. Website

Hanias MP, Nistazakis HE, Tombras GS. Chaotic behavior of transistor circuits. Understanding Complex Systems [Internet]. 2012:59-91. Website

Stassinakis AN, Nistazakis HE, Tombras GS. Comparative performance study of one or multiple receivers schemes for FSO links over gamma-gamma turbulence channels. Journal of Modern Optics [Internet]. 2012;59:1023-1031. Website

Nistazakis HE, Tombras GS. On the use of wavelength and time diversity in optical wireless communication systems over gamma-gamma turbulence channels. Optics and Laser Technology [Internet]. 2012;44:2088-2094. Website

Nistazakis HE, Malomed BA, Kevrekidis PG, Frantzeskakis DJ. Control of the symmetry breaking in double-well potentials by the resonant nonlinearity management. Chaos [Internet]. 2011;21. Website

Nistazakis HE, Tsigopoulos AD, Hanias MP, Psychogios CD, Marinos D, Aidinis C, Tombras GS. Estimation of outage capacity for free space optical links over I-K and K turbulent channels. Radioengineering [Internet]. 2011;20:493-498. Website

Cockburn SP, Nistazakis HE, P.horikis T, G.kevrekidis P, P.proukakis N, J.frantzeskakis D. Fluctuating and dissipative dynamics of dark solitons in quasicondensates. Physical Review A - Atomic, Molecular, and Optical Physics [Internet]. 2011;84. Website

Nistazakis HE, Assimakopoulos VD, Tombras GS. Performance estimation of free space optical links over negative exponential atmospheric turbulence channels. Optik [Internet]. 2011;122:2191-2194. Website

Nistazakis HE, Katsis A, Tombras GS. On the reliability and performance of FSO and hybrid FSO communication systems over turbulent channels.; 2011 pp. 69-111. Website

Peppas KP, Datsikas CK, Nistazakis HE, Tombras GS. Dual-hop relaying communications over generalized-K (KG) fading channels. Journal of the Franklin Institute [Internet]. 2010;347:1643-1653. Website

Horikis TP, Nistazakis HE. Dynamical oscillations in nonlinear optical media. Optics Communications [Internet]. 2010;283:1467-1470. Website

Nistazakis HE, Marinos D, Hanias M, Aidinis C, Tsilis M, Tombras GS, Tsigopoulos AD, Fafalios ME. Estimation of capacity bounds of free space optical channels under strong turbulence conditions. In: 4th Microwave and Radar Week, MRW-2010 - 18th International Conference on Microwaves, Radar and Wireless Communications, MIKON 2010 - Conference Proceedings. ; 2010. Website

Cockburn SP, Nistazakis HE, Horikis TP, Kevrekidis PG, Proukakis NP, Frantzeskakis DJ. Matter-wave dark solitons: Stochastic versus analytical results. Physical Review Letters [Internet]. 2010;104. Website

Nistazakis HE, Karagianni EA, Tsigopoulos AD, Fafalios ME, Tombras GS. Average capacity of optical wireless communication systems over atmospheric turbulence channels. Journal of Lightwave Technology [Internet]. 2009;27:974-979. Website

Nistazakis HE, Tombras GS, Tsigopoulos AD, Karagianni EA, Fafalios ME. Capacity estimation of optical wireless communication systems over moderate to strong turbulence channels. Journal of Communications and Networks [Internet]. 2009;11:384-389. Website

Katsis A, Nistazakis HE, Tombras GS. Bayesian and frequentist estimation of the performance of free space optical channels under weak turbulence conditions. Journal of the Franklin Institute [Internet]. 2009;346:315-327. Website

Nistazakis HE, Tsiftsis TA, Tombras GS. Performance analysis of free-space optical communication systems over atmospheric turbulence channels. IET Communications [Internet]. 2009;3:1402-1409. Website

Trombettoni A, Nistazakis HE, Rapti Z, Frantzeskakis DJ, Kevrekidis PG. Soliton dynamics in linearly coupled discrete nonlinear Schrödinger equations. Mathematics and Computers in Simulation [Internet]. 2009;80:814-824. Website

Rothos VM, Nistazakis HE, Kevrekidis PG, Frantzeskakis DJ. Stability of localized structures in generalized DNLS equations near the anti-continuum limit. Journal of Physics A: Mathematical and Theoretical [Internet]. 2009;42. Website

Nistazakis HE, Tombras GS, Tsigopoulos AD, Karagianni EA, Fafalios ME. Average capacity of wireless optical communication systems over gamma gamma atmospheric turbulence channels. In: IEEE MTT-S International Microwave Symposium Digest. ; 2008. pp. 1561-1564. Website

Katsis A, Nistazakis HE, Tombras GS. Bayesian and Frequentist Estimation of the Average Capacity of Log Normal Wireless Optical Channels. In: AIP Conference Proceedings. Vol. 1060. ; 2008. pp. 26-29. Website

Nistazakis HE, Frantzeskakis DJ, Kevrekidis PG, Malomed BA, Carretero-González R. Bright-dark soliton complexes in spinor Bose-Einstein condensates. Physical Review A - Atomic, Molecular, and Optical Physics [Internet]. 2008;77. Website

Nistazakis HE, Rapti Z, Frantzeskakis DJ, Kevrekidis PG, Sodano P, Trombettoni A. Rabi switch of condensate wave functions in a multicomponent Bose gas. Physical Review A - Atomic, Molecular, and Optical Physics [Internet]. 2008;78. Website

Karachalios NI, Nistazakis HE, Yannacopoulos AN. Asymptotic behavior of solutions of complex discrete evolution equations: The discrete Ginzburg-Landau equation. Discrete and Continuous Dynamical Systems [Internet]. 2007;19:711-736. Website

Nistazakis HE, Katsis A. A flexible Bayesian algorithm for sample size calculations in misclassified data. Applied Mathematics and Computation [Internet]. 2007;184:86-92. Website

Nistazakis HE, Frantzeskakis DJ, Kevrekidis PG, Malomed BA, Carretero-González R, Bishop AR. Polarized states and domain walls in spinor Bose-Einstein condensates. Physical Review A - Atomic, Molecular, and Optical Physics [Internet]. 2007;76. Website

Trombettoni A, Kevrekidis PG, Nistazakis HE, Frantzeskakis DJ. Modulational instability and its suppression for Bose-Einstein condensates under magnetic and optical lattice trapping. Journal of Physics B: Atomic, Molecular and Optical Physics [Internet]. 2006;39:S231-S243. Website

Fitrakis EP, Nistazakis HE, Malomed BA, Frantzeskakis DJ, Kevrekidis PG. Spatiotemporal solitons in birefringent media near the zero-dispersion point. Journal of the Optical Society of America B: Optical Physics [Internet]. 2006;23:1911-1919. Website

Nistazakis HE, Porter MA, Kevrekidis PG, Frantzeskakis DJ, Nicolin A, Chin JK. Fractional-period excitations in continuum periodic systems. Physical Review A - Atomic, Molecular, and Optical Physics [Internet]. 2006;74. Website

Kevrekidis PG, Malomed BA, Frantzeskakis DJ, Bishop AR, Nistazakis HE, Carretero-González R. Domain walls of single-component Bose-Einstein condensates in external potentials. Mathematics and Computers in Simulation [Internet]. 2005;69:334-345. Website

Malomed BA, Nistazakis HE, Kevrekidis PG, Frantzeskakis DJ. Domain-wall crosses and propellers in binary Bose-Einstein condensates. Mathematics and Computers in Simulation [Internet]. 2005;69:400-412. Website

Theocharis G, Kevrekidis PG, Nistazakis HE, Frantzeskakis DJ, Bishop AR. Generation of dark solitons in oscillating Bose-Einstein condensates. Physics Letters, Section A: General, Atomic and Solid State Physics [Internet]. 2005;337:441-448. Website

Kevrekidis PG, Kevrekidis IG, Malomed BA, Nistazakis HE, Frantzeskakis DJ. Dragging bistable fronts. Physica Scripta [Internet]. 2004;69:451-455. Website

Papacharalampous IE, Kevrekidis PG, Nistazakis HE, Frantzeskakis DJ, Malomed BA. Elliptic Dark Solitons. Physica Scripta [Internet]. 2004;69:7-14. Website

Deconinck B, Kevrekidis PG, Nistazakis HE, Frantzeskakis DJ. Linearly coupled Bose-Einstein condensates: From Rabi oscillations and quasiperiodic solutions to oscillating domain walls and spiral waves. Physical Review A - Atomic, Molecular, and Optical Physics [Internet]. 2004;70:063605-1-063605-6. Website

Malomed BA, Nistazakis HE, Frantzeskakis DJ, Kevrekidis PG. Static and rotating domain-wall cross patterns in Bose-Einstein condensates. Physical Review A - Atomic, Molecular, and Optical Physics [Internet]. 2004;70:043616-1-043616-8. Website

Nistazakis HE, Frantzeskakis DJ, Malomed BA. Erratum: Collisions between spatiotemporal solitons of different dimensionality in a planar waveguide (Physical Review E (2001) 64 (026604)). Physical Review E - Statistical, Nonlinear, and Soft Matter Physics [Internet]. 2002;65:019902/1. Website

Nistazakis HE, Frantzeskakis DJ, Atai J, Malomed BA, Efremidis N, Hizanidis K. Multichannel pulse dynamics in a stabilized Ginzburg-Landau system. Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics [Internet]. 2002;65. Website

Malomed BA, Kevrekidis PG, Frantzeskakis DJ, Nistazakis HE, Yannacopoulos AN. One- and two-dimensional solitons in second-harmonic-generating lattices. Physical Review E - Statistical, Nonlinear, and Soft Matter Physics [Internet]. 2002;65:056606/1-056606/12. Website

Malomed BA, Kevrekidis PG, Frantzeskakis DJ, Nistazakis HE, Yannacopoulos AN. One- and two-dimensional solitons in second-harmonic-generating lattices. Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics [Internet]. 2002;65:12. Website

Malomed BA, Frantzeskakis DJ, Nistazakis HE, Yannacopoulos AN, Kevrekidis PG. Pulled fronts in the Cahn-Hilliard equation. Physics Letters, Section A: General, Atomic and Solid State Physics [Internet]. 2002;295:267-272. Website

Kevrekidis PG, Malomed BA, Nistazakis HE, Frantzeskakis DJ, Saxena A, Bishop AR. Scattering of a solitary pulse on a local defect or breather. Physica Scripta [Internet]. 2002;66:193-200. Website

Malomed BA, Kevrekidis PG, Frantzeskakis DJ, Nistazakis HE, Yannacopoulos AN. Solitons in two-dimensional arrays of χ(2) Waveguides. In: Pacific Rim Conference on Lasers and Electro-Optics, CLEO - Technical Digest. ; 2002. pp. 287. Website

Malomed BA, Kevrekidis PG, Frantzeskakis DJ, Nistazakis HE, Yannacopoulos AN. Solitons in Two-dimensional Arrays of χ(2) Waveguides. In: Optics InfoBase Conference Papers. ; 2002. Website

Nistazakis HE, Kevrekidis PG, Malomed BA, Frantzeskakis DJ, Bishop AR. Targeted transfer of solitons in continua and lattices. Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics [Internet]. 2002;66. Website

Papacharalampous IE, Nistazakis HE, Kevrekidis PG, Yannacopoulos AN, Frantzeskakis DJ, Malomed BA. Two-dimensional solitons and their interactions on a continuous-wave background. Physica Scripta [Internet]. 2002;66:367-375. Website

Nistazakis HE, Frantzeskakis DJ, Malomed BA. Collisions between spatiotemporal solitons of different dimensionality in a planar waveguide. Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics [Internet]. 2001;64:8. Website

Nistazakis HE, Frantzeskakis DJ, Malomed BA, Kevrekidis PG. Head-on collisions of ring dark solitons. Physics Letters, Section A: General, Atomic and Solid State Physics [Internet]. 2001;285:157-164. Website

Kevrekidis PG, Nistazakis HE, Frantzeskakis DJ, Malomed BA, Bishop AR. Ring solitons on vortices. Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics [Internet]. 2001;64:9. Website

Kevrekidis PG, Nistazakis HE, Frantzeskakis DJ, Malomed BA, Bishop AR. Ring solitons on vortices. Physical Review E - Statistical, Nonlinear, and Soft Matter Physics [Internet]. 2001;64:66611/1-66611/9. Website

Kevrekidis PG, Nistazakis HE, Frantzeskakis DJ, Malomed BA, Bishop AR. Ring solitons on vortices. Physical Review E - Statistical, Nonlinear, and Soft Matter Physics [Internet]. 2001;64:1-9. Website

Nistazakis HE, Frantzeskakis DJ, Malomed BA. Collisions between spatiotemporal solitons of different dimensionality in a planar waveguide. Physical Review E - Statistical, Nonlinear, and Soft Matter Physics [Internet]. 2001;64:266041-266048. Website

Nistazakis HE, Frantzeskakis DJ, Balourdos PS, Tsigopoulos A, Malomed BA. Dynamics of anti-dark and dark solitons in (2 + 1)-dimensional generalized, nonlinear Schrödinger equation. Physics Letters, Section A: General, Atomic and Solid State Physics [Internet]. 2000;278:68-76. Website

Efremidis N, Hizanidis K, Nistazakis HE, Frantzeskakis DJ, Malomed BA. Stabilization of dark solitons in the cubic Ginzburg-Landau equation. Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics [Internet]. 2000;62:7410-7414. Website

Efremidis N, Hizanidis K, Malomed BA, Nistazakis HE, Frantzeskakis DJ. Stabilizing the Pereira-Stenflo Solitons in Nonlinear Optical Fibers. In: Physica Scripta T. Vol. 84. ; 2000. pp. 18-21. Website

Efremidis N, Hizanidis K, Malomed BA, Nistazakis HE, Frantzeskakis DJ. Stable transmission of solitons in the region of normal dispersion. Journal of the Optical Society of America B: Optical Physics [Internet]. 2000;17:952-958. Website

Malomed BA, Frantzeskakis DJ, Nistazakis HE, Tsigopoulos A, Hizanidis K. Dissipative solitons under the action of the third-order dispersion. Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics [Internet]. 1999;60:3324-3331. Website

Malomed BA, Frantzeskakis DJ, Nistazakis HE, Tsigopoulos A, Hizanidis K. Dynamics of Pereira-Stenflo Solitons in the Presence of Third-Order Dispersion. In: Physica Scripta T. Vol. 82. ; 1999. pp. 36-41. Website

Nistazakis HE, Frantzeskakis DJ, Hizanidis K. On the formation of solitary and periodic waves in optical fibres near the zero-dispersion point. Pure and Applied Optics (Print edition) (United Kingdom) [Internet]. 1998;7:491-500. Website

Hizanidis K, Malomed BA, Nistazakis HE, Frantzeskakis DJ. Stabilizing soliton transmission by third-order dispersion in dispersion-compensated fibre links. Pure and applied optics [Internet]. 1998;7:L57-L62. Website

Frantzeskakis DJ, Nistazakis E, Hizanidis K. Spectral analysis of solitary wave propagation near the zero dispersion point. In: Trans Black Sea Region Symposium on Applied Electromagnetism. ; 1996. Website