223 citations · 663 across the 15 of their papers we have counts for
17 papers
Generalized Conductivity Modeling and Selective Harmonic Amplification in Time-Modulated Graphene Cavities
Ioannis M. Koutzoglou, Stamatios Amanatiadis, Nikolaos V. Kantartzis +1
The selective harmonic enhancement in cavities formed by stacks of time-modulated graphene sheets and a reflecting boundary is investigated. A semi-analytic framework based on an o…
Dynamic Programmable Wireless Environment with UAV-mounted Static Metasurfaces
Prodromos-Vasileios Mekikis, Dimitrios Tyrovolas, Sotiris Tegos +8
Reconfigurable intelligent surfaces (RISs) are artificial planar structures able to offer a unique way of manipulating propagated wireless signals. Commonly composed of a number of…
XR-RF Imaging Enabled by Software-Defined Metasurfaces and Machine Learning: Foundational Vision, Technologies and Challenges
C. Liaskos, A. Tsioliaridou, K. Georgopoulos +18
We present a new approach to Extended Reality (XR), denoted as iCOPYWAVES, which seeks to offer naturally low-latency operation and cost-effectiveness, overcoming the critical scal…
Multi-functional metasurface architecture for amplitude, polarization and wavefront control
A. Pitilakis, M. Seckel, A. C. Tasolamprou +10
Metasurfaces (MSs) have been utilized to manipulate different properties of electromagnetic waves. By combining local control over the wave amplitude, phase, and polarization into…
Multi-Wideband Terahertz Communications via Tunable Graphene-based Metasurfaces in 6G Networks
Hamidreza Taghvaee, Alexandros Pitilakis, Odysseas Tsilipakos +6
The next generation of wireless networks is expected to tap into the terahertz (0.1--10 THz) band to satisfy the extreme latency and bandwidth density requirements of future applic…
Bimorphic Floquet Topological Insulators
Georgios G. Pyrialakos, Julius Beck, Matthias Heinrich +5
Topological theories have established a new set of rules that govern the transport properties in a wide variety of wave-mechanical settings. In a marked departure from the establis…
Scalability Analysis of Programmable Metasurfaces for Beam Steering
Hamidreza Taghvaee, Sergi Abadal, Alexandros Pitilakis +7
Programmable metasurfaces have garnered significant attention as they confer unprecedented control over the electromagnetic response of any surface. Such feature has given rise to…
A multi-functional reconfigurable metasurface: Electromagnetic design accounting for fabrication aspects
Alexandros Pitilakis, Odysseas Tsilipakos, Fu Liu +12
In this paper we present the theoretical considerations and the design evolution of a proof-of-concept reconfigurable metasurface, primarily used as a tunable microwave absorber, b…
The Software-Defined Metasurfaces Concept and Electromagnetic Aspects
Anna C. Tasolamprou, Alexandros Pitilakis, Odysseas Tsilipakos +17
We present the concept and electromagnetic aspects of HyperSurFaces (HSFs), artificial, ultrathin structures with software controlled electromagnetic properties. The HSFs key unit…
ABSense: Sensing Electromagnetic Waves on Metasurfaces via Ambient Compilation of Full Absorption
C. Liaskos, G. Pirialakos, A. Pitilakis +13
Metasurfaces constitute effective media for manipulating and transforming impinging EM waves. Related studies have explored a series of impactful MS capabilities and applications i…
Exploration of Intercell Wireless Millimeter-Wave Communication in the Landscape of Intelligent Metasurfaces
Anna C. Tasolamprou, Alexandros Pitilakis, Sergi Abadal +19
Software-defined metasurfaces are electromagnetically ultra-thin, artificial components that can provide engineered and externally controllable functionalities. The control over th…
3D Channel Modeling and Characterization for Hypersurface Empowered Indoor Environment at 60 GHz Millimeter-Wave Band
Rashi Mehrotra, Rafay Iqbal Ansari, Alexandros Pitilakis +4
This paper proposes a three-dimensional (3D) communication channel model for an indoor environment considering the effect of the Hypersurface. The Hypersurface is a software contro…
Joint Compressed Sensing and Manipulation of Wireless Emissions with Intelligent Surfaces
Christos Liaskos, Ageliki Tsioliaridou, Alexandros Pitilakis +8
Programmable, intelligent surfaces can manipulate electromagnetic waves impinging upon them, producing arbitrarily shaped reflection, refraction and diffraction, to the benefit of…
Tunable Perfect Anomalous Reflection in Metasurfaces with Capacitive Lumped Elements
Odysseas Tsilipakos, Fu Liu, Alexandros Pitilakis +8
We demonstrate tunable perfect anomalous reflection with metasurfaces incorporating lumped elements. The tunable capacitance of each element provides continuous control over the lo…
Intelligent Metasurfaces with Continuously Tunable Local Surface Impedance for Multiple Reconfigurable Functions
Fu Liu, Odysseas Tsilipakos, Alexandros Pitilakis +7
Electromagnetic metasurfaces can be characterized as intelligent if they are able to perform multiple tunable functions, with the desired response being controlled by a computer in…
Intercell Wireless Communication in Software-defined Metasurfaces
Anna C. Tasolamprou, Mohammad Sajjad Mirmoosa, Odysseas Tsilipakos +11
Tunable metasurfaces are ultra-thin, artificial electromagnetic components that provide engineered and externally adjustable functionalities. The programmable metasurface, the Hype…
Programmable Metasurfaces: State of the Art and Prospects
Fu Liu, Alexandros Pitilakis, Mohammad Sajjad Mirmoosa +12
Metasurfaces, ultrathin and planar electromagnetic devices with sub-wavelength unit cells, have recently attracted enormous attention for their powerful control over electromagneti…