• Ph.D. in Material Sciences, University of Athens, Greece, 1989
• M. Science in Electrical and Communications Engineering, University of Athens, Greece , 1984
• B. Science in Physics, University of Thessaloniki, Greece, 1982

• Μicroelectronics and optoelectronics devices based on III-V compound semiconductors
• All optical signal processing
• Quantum Dot Lasers
• Devices and Subsystems of optical communications

Undergraduate:

• Physics οf Semiconductors
• Optoelectronics
• Microelectronics
• Electronics lab I
• Electronics II

Graduate:

• Optical communications I

• "A stable n-channel Indium Phosphide Field Effect Transistor with an amorphous hydrogenated silicon gate", E. Roditi, A. Iliadis and A. Christou, Appl. Phys. Lett. 55 (1989) 999.
• "Pseudomorphic InGaAs HEMTs on GaAs substrates with undoped and doped channels", G. Papaioannou, E. Roditi, C. Michelakis, E. Martin, Z. Hatzopoulos, M. Papastamatiou, G. Kiriakidis, G. Halkias and A. Christou, Superlattices and Microstructure 8 (1990) 341.
• "Investigation of an All Optical Wavelength Converter with Reshaping Properties Based on Four-Wave Mixing in Passive Microring Resonators", .S. Mikroulis, A. Bogris, E.Roditi, and D.Syvridis, IEEE Journal of Lightwave Technology, 22 (12)(2004)
• "Ultrafast all-optical and logic operation based on four-wave mixing in a passive - InP microring resonator", Mikroulis, S., Simos, H., Roditi, E.,Syvridis, D.,IEEE Photonics Technology Letters17 (9) , (2005) pp. 1878-1880
• "Effect of optical feedback to the ground and excited state emission of a passively mode locked quantum dot laser", C. Mesaritakis, C. Simos, H.Simos, S.Mikroulis, I.Krestnikov, E.Roditi, D. Syvridis, Appl. Phys. Let. 97, 061114 (2010)