Department of Electronics and Nanoengineering

Designer Materials and Devices

The Designer Materials and Devices group is located at the Department of Electronics and Nanoengineering, Aalto University. Our research interests span multiple dimensions: (i) from fundamental electrodynamics to functional devices; (ii) from microscopic to macroscopic electromagnetic systems; (iii) from microwaves to visible; (iv) from one-dimensional to four-dimensional geometries. The core of our research is in metamaterials and metasurfaces.
Artistic illustration of the concept of space-time metamaterials
Artistic illustration of the concept of space-time metamaterials inspired by "La persistència de la memòria"

Nature has provided us with an abundance of materials hosting diverse physical properties. Among them, electrodynamic material properties stand out as one of the most important for a variety of applications, from communications and electronics to medicine and entertainment. However, the range and strength of electrodynamic properties of natural materials are often limited and cannot satisfy rapidly growing needs of the modern industry. This circumstance has led to the emergence of an important category of designer matter which embraces composites, colloids, photonic crystals, metamaterials, and others. The key aim of this field is to develop new materials with desired properties and to explore and invent principally novel functionalities.

Research

We pursue 4 research programs towards advanced designer materials and devices ...

    based on novel engineering approaches

    ... based on novel engineering approaches. Design of next-generation reconfigurable intelligent surfaces using machine learning techniques.

    based on novel topologies

    ... based on novel topologies. Enhancement of weak exotic effects in complex matter in connection to some concepts of quantum field theory.

    based on novel dimensions

    ... based on novel dimensions. Design of time-varying systems.

    based on novel material substances

    ... based on novel material substances. Exploring new solutions in optoelectronics with topological materials.

    Our current research topics include

    •    Metamaterials and metasurfaces
    •    Spatial and temporal photonic crystals
    •    Magnetics at nanoscale
    •    Axion and Weyl electrodynamics
    •    Electromagnetic nonreciprocity
    •    Fourier optics
    •    Machine learning and inverse design
    •    Reconfigurable intelligent surfaces 
    •    Advanced diffractive optical components.

    If you are interested in working with us (M.Sc. & Ph.D. thesis, research visit, collaboration) and/or have your own fellowship/funding, please contact Prof. Viktar Asadchy.

    Open positions

    Not at the moment.

    People

     Viktar Asadchy

    Viktar Asadchy

    Assistant Professor
     Francisco J. Díaz-Fernández

    Francisco J. Díaz-Fernández

    Visiting Postdoctoral Fellow
     Shadi Safaei Jazi

    Shadi Safaei Jazi

    Doctoral Researcher
     Mohammad Mahdi Asgari

    Mohammad Mahdi Asgari

    Doctoral Researcher

    Latest publications

    See the entire list of publications at Acris or Google Scholar.

    Classification of Bianisotropic Metasurfaces from Reflectance and Transmittance Measurements

    M. Albooyeh, V. Asadchy, J. Zeng, M. Rajaee, H. Kazemi, M. Hanifeh, F. Capolino 2023 ACS Photonics

    Light control with Weyl semimetals

    Cheng Guo, Viktar S. Asadchy, Bo Zhao, Stanford University 2023 eLight

    Mie Resonances and Kerker Effects in Parametric Time-Modulated Spheres

    V. Asadchy, A. G. Lamprianidis, G. Ptitcyn, M. Albooyeh, T. Karamanos, R. Alaee, S. A. Tretyakov, C. Rockstuhl, S. Fan 2022 2022 16th International Congress on Artificial Materials for Novel Wave Phenomena, Metamaterials 2022

    Parametric Mie Resonances and Directional Amplification in Time-Modulated Scatterers

    V. Asadchy, A.G. Lamprianidis, G. Ptitcyn, M. Albooyeh, Rituraj Rituraj, T. Karamanos, R. Alaee, S.A. Tretyakov, C. Rockstuhl, S. Fan 2022 Physical Review Applied

    Topological Materials for Functional Optoelectronic Devices

    Hamid Chorsi, Bing Cheng, Bo Zhao, Johann Toudert, Viktar Asadchy, Omor F. Shoron, Shanhui Fan, Ryusuke Matsunaga 2022 Advanced Functional Materials

    Violating Kirchhoff's Law of Thermal Radiation in Semitransparent Structures

    Yubin Park, Viktar S. Asadchy, Bo Zhao, Cheng Guo, Jiahui Wang, Shanhui Fan 2022

    Floquet–Mie Theory for Time-Varying Dispersive Spheres

    Grigorii Ptitcyn, Aristeidis Lamprianidis, Theodosios Karamanos, Viktar Asadchy, Rasoul Alaee, Marvin Müller, Mohammad Albooyeh, Mohammad Sajjad Mirmoosa, Shanhui Fan, Sergei Tretyakov, Carsten Rockstuhl 2022 LASER AND PHOTONICS REVIEWS

    Electromagnetic phenomena in time-modulated metasurfaces

    X. Wang, M. S. Mirmoosa, V. Asadchy, S. Tretyakov 2022 2022 16th International Congress on Artificial Materials for Novel Wave Phenomena, Metamaterials 2022

    Non-Hermitian skin effect and point-gap topology in photonic crystals

    Janet Zhong, Kai Wang, Yubin Park, Viktar Asadchy, Charles C. Wojcik, Avik Dutt, Shanhui Fan 2022 2022 Conference on Lasers and Electro-Optics, CLEO 2022 - Proceedings
    More information on our research in the Research database.
    Research database

    Contact:
    Professor Viktar Asadchy
    Email: viktar.asadchy at aalto.fi
    Tel.: +358504205846

    Postal address:
    Department of Electronics and Nanoengineering
    Aalto University School of Electrical Engineering
    P.O. Box 15500, 00076 Aalto, Finland

    Visiting address:
    Maarintie 8, 02150 Espoo, Finland

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