Welcome to the Photonics Group 


The Photonics Group is part of the School of Electrical and Computer Engineering, in the Faculty of Engineering of the Aristotle University of Thessaloniki, Greece. It was established in 2002 and it is led by Prof. Emmanouil E. Kriezis.

Our research covers a range of topics in nanophotonics and plasmonics with emphasis on guided-wave devices and photonic integrated circuits. We have expertise in an extensive number of theoretical and computational techniques for lightwave devices, including also carrier effects in semiconductor devices. Though our prime frequency range is the NIR, we also work on THz or microwave frequencies. 

Our current focus is on nonlinear/all-optical and electro-optical effects in contemporary material platforms, including silicon, graphene and transparent conducting oxides. Our expertise also extends to micro-structured optical fibers and liquid crystal photonics.




► Recently published: "Electro-optic modulation in integrated photonics," a new Perspective, selected as Editor's Pick in Journal of Applied Physics !

► Recent journal papers: 202420232022, and 2021

► Recent conference talks:

► Ongoing research projects: GRAINS



Research Highlights


Electro-optic modulation in integrated photonics (2021, JAP Perspective, Editor's Pick)



Integrated Lasers with Transition-Metal-Dichalcogenide Heterostructures: Analysis and Design Utilizing Coupled-Mode Theory for Two-Dimensional Materials (2023, PRApp)    

Asymmetric Si-slot Coupler with Nonreciprocal Response Based on Graphene Saturable Absorption (2021, JQE)   


All‐Dielectric Toroidal Metasurfaces for Angular‐Dependent Resonant Polarization Beam Splitting (2021, ADOM) 


All-optical nanophotonic resonant element for switching and routing applications exploiting graphene saturable absorption (2020, JAP)



Comparative study of silicon photonic modulators based on transparent conducting oxide and graphene (2019, PRApp)


On the calculation of the quality factor in contemporary photonic resonant structures (2019, OpEx)  


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