Localized Modes in a Circular Array of Coupled Nonlinear Optical Waveguides. - K. Hizanidis; Sotiris Droulias; I. Tsopelas; Nikolaos K. Efremidis; Demetrios N. Christodoulides (Int. J. Bifurc. Chaos, 2006)

Impact of Reconfigurable Intelligent Surface size on beamforming efficiency. - Giorgos Stratidakis; Sotiris Droulias; Angeliki Alexiou (PIMRC, 2021)

An analytical framework for Reconfigurable Intelligent Surfaces placement in a mobile user environment. - Giorgos Stratidakis; Sotiris Droulias; Angeliki Alexiou (SenSys, 2021)

Analytical Performance Assessment of Beamforming Efficiency in Reconfigurable Intelligent Surface-Aided Links. - Giorgos Stratidakis; Sotiris Droulias; Angeliki Alexiou (IEEE Access, 2021)

Reconfigurable Intelligent Surface: an angular spectrum representation approach. - Sotiris Droulias; Angeliki Alexiou (IEEECONF, 2022)

Understanding the RIS efficiency: from partial to full illumination. - Giorgos Stratidakis; Sotiris Droulias; Angeliki Alexiou (SPAWC, 2022)

A beam-tracking framework for THz networks. - Giorgos Stratidakis; Sotiris Droulias; Angeliki Alexiou (Frontiers Commun. Networks, 2022)

Analytical Characterization of RIS-Aided Terahertz Links in the Presence of Beam Misalignment. - Evangelos N. Papasotiriou; Sotiris Droulias; Angeliki Alexiou (IEEE J. Sel. Top. Signal Process., 2023)

Beam-focusing in near-field communications: enhancing the physical layer security. - Sotiris Droulias; Giorgos Stratidakis; Angeliki Alexiou (SPAWC, 2024)

Near-Field Engineering in RIS-Aided Links: Beamfocusing Analytical Performance Assessment. - Sotiris Droulias; Giorgos Stratidakis; Angeliki Alexiou (IEEE Access, 2024)

Reconfigurable Intelligent Surface: MIMO or Radiating Sheet? - Sotiris Droulias; Angeliki Alexiou (IEEE Trans. Wirel. Commun., 2024)

Reconfigurable Intelligent Surfaces as Spatial Filters. - Sotiris Droulias; Giorgos Stratidakis; Emil Björnson; Angeliki Alexiou (IEEE Trans. Wirel. Commun., 2024)

Perceptive, Resilient, and Efficient Networks: Programming the Wireless Environment with Reconfigurable Intelligent Surfaces. - Giorgos Stratidakis; Sotiris Droulias; Angeliki Alexiou (IEEE Veh. Technol. Mag., 2024)

Beam-focusing Based Hierarchical Localization and Tracking in Angle and Range. - Giorgos Stratidakis; Sotiris Droulias; Angeliki Alexiou (ICC Workshops, 2025)

Near-Field Hierarchical Localization for Integrated Sensing and Communication. - Giorgos Stratidakis; Sotiris Droulias; Angeliki Alexiou (IEEE Access, 2025)

Orthogonal Beam-Focusing With Planar Arrays for Multiple Access in Near-Field Communications. - Sotiris Droulias; Angeliki Alexiou (IEEE Open J. Commun. Soc., 2025)

Bending Beams for 6G Near-Field Communications. - Sotiris Droulias; Giorgos Stratidakis; Angeliki Alexiou (IEEE Trans. Wirel. Commun., 2025)