T Jankowski, N Bennis, P Morawiak, DC Zografopoulos, A Pakuła, M Filipiak, M Słowikowski, JM López-Higuera, JF Algorri

Optical vortices by an adaptive spiral phase plate

arXiv preprint arXiv:2311.10842 [],

José Francisco Algorri, Victor Dmitriev, José Miguel López-Higuera, Dimitrios C Zografopoulos

Delocalized Electric Field Enhancement through Near-Infrared Quasi-BIC Modes in a Hollow Cuboid Metasurface

Nanomaterials [MDPI], Volume: 13 Issue: 20 Pages: 2771

Walter Fuscaldo, Elahehsadat Torabi, Dimitrios C Zografopoulos, Danilo Erricolo, Romeo Beccherelli

Reconfigurable THz fixed-frequency beamscanning through a liquid-crystal-loaded leaky waveguide operating in its fundamental TE mode

IEEE Access [IEEE],

JF Algorri, F Dell’Olio, Y Ding, F Labbé, V Dmitriev, JM López-Higuera, JM Sánchez-Pena, LC Andreani, M Galli, DC Zografopoulos

Experimental demonstration of a silicon-slot quasi-bound state in the continuum in near-infrared all-dielectric metasurfaces

Optics & Laser Technology [Elsevier], Volume: 161 Pages: 109199

Odysseas Tsilipakos, Zacharias Viskadourakis, Anna C Tasolamprou, Dimitrios C Zografopoulos, Maria Kafesaki, George Kenanakis, Eleftherios N Economou

Meta-Atoms with Toroidal Topology for Strongly Resonant Responses

Micromachines [MDPI], Volume: 14 Issue: 2 Pages: 468

Victor Dmitriev, Dimitrios C Zografopoulos, Luis PV Matos

Analysis of Symmetric Electromagnetic Components Using Magnetic Group Theory

Symmetry [MDPI], Volume: 15 Issue: 2 Pages: 415

Walter Fuscaldo, Dimitrios C Zografopoulos, Francesca Imperato, Paolo Burghignoli, Romeo Beccherelli, Alessandro Galli

Analysis and Design of Tunable THz 1-D Leaky-Wave Antennas Based on Nematic Liquid Crystals

Applied Sciences [MDPI], Volume: 12 Issue: 22 Pages: 11770

Walter Fuscaldo, Francesco Maita, Luca Maiolo, Romeo Beccherelli, Dimitrios C Zografopoulos

Broadband Dielectric Characterization of High-Permittivity Rogers Substrates via Terahertz Time-Domain Spectroscopy in Reflection Mode

Applied Sciences [MDPI], Volume: 12 Issue: 16 Pages: 8259

Dimitrios C Zografopoulos, JF Algorri, José Miguel López-Higuera, Hugo Enrique Hernandez-Figueroa, V Dmitriev

Quasi-dark resonances with antiferromagnetic order in silicon metasurfaces

Scientific Reports [Nature Publishing Group], Volume: 12 Issue: 1 Pages: 1-11

Dimitrios Chatzidimitriou, Dimitrios C Zografopoulos, Emmanouil E Kriezis

Graphene Saturable Absorber Mirrors for Silicon Photonic Platforms

IEEE Photonics Journal [IEEE], Volume: 14 Issue: 4 Pages: 1-8

Walter Fuscaldo, Sara De Simone, Dimitre Dimitrov, Vera Marinova, Valentina Mussi, Romeo Beccherelli, Dimitrios C Zografopoulos

Terahertz characterization of graphene conductivity via time-domain reflection spectroscopy on metal-backed dielectric substrates

Journal of Physics D: Applied Physics [IOP Publishing], Volume: 55 Issue: 36 Pages: 365101

D Pirrone, A Ferraro, DC Zografopoulos, W Fuscaldo, P Szriftgiserand, Guillaume Ducournau, R Beccherelli

Metasurface-based Filters for High Data Rate THz Wireless Communications: Experimental Validation of a 14 Gbps OOK and 104 Gbps QAM-16 Wireless Link in the 300 GHz band

IEEE Transactions on Wireless Communications [IEEE],

Noureddine Bennis, T Jankowski, Przemysław Morawiak, A Spadlo, Dimitrios C Zografopoulos, José Manuel Sánchez-Pena, José Miguel López-Higuera, Jose Francisco Algorri

Aspherical liquid crystal lenses based on a variable transmission electrode

Optics Express [Optica Publishing Group], Volume: 30 Issue: 8 Pages: 12237-12247

Mohsen Samadi, Fatemeh Abshari, José F Algorri, Pablo Roldán-Varona, Luis Rodríguez-Cobo, José M López-Higuera, José M Sánchez-Pena, Dimitrios C Zografopoulos, Francesco Dell’Olio

All-Dielectric Metasurface Based on Complementary Split-Ring Resonators for Refractive Index Sensing

Photonics [MDPI], Volume: 9 Issue: 3 Pages: 130

Victor Dmitriev, Dimitrios C Zografopoulos, Silvio Domingos Silva Santos, Gabriel Felipe da Silva Barros

Flat metasurfaces with square supercells of dielectric disk quadrumers: tailoring the fine structure of toroidal mode local field

Journal of Physics D: Applied Physics [IOP Publishing], Volume: 55 Issue: 20 Pages: 205104

JF Algorri, F Dell’Olio, P Roldán-Varona, L Rodríguez-Cobo, JM López-Higuera, JM Sánchez-Pena, V Dmitriev, DC Zografopoulos

Analogue of electromagnetically induced transparency in square slotted silicon metasurfaces supporting bound states in the continuum

Optics Express [Optica Publishing Group], Volume: 30 Issue: 3 Pages: 4615-4630

Konstantinos P Prokopidis, Dimitrios C Zografopoulos

Modeling of dispersive media in ADI-FDTD method with complex–conjugate pole residue pairs

JOSA B [Optical Society of America], Volume: 39 Issue: 1 Pages: 273-285

Odysseas Tsilipakos, Luca Maiolo, Francesco Maita, Romeo Beccherelli, Maria Kafesaki, Emmanouil E Kriezis, Traianos V Yioultsis, Dimitrios C Zografopoulos

Experimental demonstration of ultrathin broken-symmetry metasurfaces with controllably sharp resonant response

Applied Physics Letters [AIP Publishing LLC], Volume: 119 Issue: 23 Pages: 231601

Dimitrios C Zografopoulos, Victor Dmitriev

Quasi-dark resonances in silicon metasurface for refractometric sensing and tunable notch filtering

Journal of Lightwave Technology [IEEE],

Sara De Simone, Ana Perošević-Bajčeta, Danijela Joksimović, Romeo Beccherelli, Dimitrios C Zografopoulos, Valentina Mussi

Study of Microplastics and Inorganic Contaminants in Mussels from the Montenegrin Coast, Adriatic Sea

Journal of Marine Science and Engineering [Multidisciplinary Digital Publishing Institute], Volume: 9 Issue: 5 Pages: 544

JF Algorri, F Dell’Olio, P Roldán-Varona, L Rodríguez-Cobo, JM López-Higuera, JM Sánchez-Pena, DC Zografopoulos

Strongly resonant silicon slot metasurfaces with symmetry-protected bound states in the continuum

Optics Express [Optical Society of America], Volume: 29 Issue: 7 Pages: 10374-10385

Dimitrios C Zografopoulos, José Francisco Algorri, Walter Fuscaldo, José Miguel López‐Higuera, Ricardo Vergaz, José Manuel Sánchez‐Pena, Ion‐Anastasios Karolos, Romeo Beccherelli, Vassilios E Tsioukas, Traianos V Yioultsis, Emmanouil E Kriezis

All‐Dielectric Toroidal Metasurfaces for Angular‐Dependent Resonant Polarization Beam Splitting

Advanced Optical Materials [], Pages: 2002143

Konstantinos P Prokopidis, Dimitrios C Zografopoulos

Time-Domain Studies of General Dispersive Anisotropic Media by the Complex-Conjugate Pole–Residue Pairs Model

Applied Sciences [Multidisciplinary Digital Publishing Institute], Volume: 11 Issue: 9 Pages: 3844

Dimitrios C Zografopoulos, Jose Francisco Algorri, Antonio Ferraro, Braulio Garcia-Camara, Jose Manuel Sanchez-Pena, Romeo Beccherelli

Toroidal metasurface resonances in microwave waveguides (vol 9, 7544, 2019)

SCIENTIFIC REPORTS [NATURE RESEARCH], Volume: 10 Issue: 1

JF Algorri, P Morawiak, DC Zografopoulos, N Bennis, A Spadlo, L Rodríguez-Cobo, LR Jaroszewicz, JM Sánchez-Pena, JM López-Higuera

Author Correction: Multifunctional light beam control device by stimuli-responsive liquid crystal micro-grating structures

Scientific Reports [Nature Publishing Group], Volume: 10 Issue: 1 Pages: 1-1

José Francisco Algorri, Dimitrios C Zografopoulos, Luis Rodríguez-Cobo, José Manuel Sánchez-Pena, José Miguel López-Higuera

Engineering Aspheric Liquid Crystal Lenses by Using the Transmission Electrode Technique

Crystals [Multidisciplinary Digital Publishing Institute], Volume: 10 Issue: 9 Pages: 835

JF Algorri, Przemysław Morawiak, DC Zografopoulos, Noureddine Bennis, A Spadlo, L Rodríguez-Cobo, Leszek Roman Jaroszewicz, JM Sánchez-Pena, José Miguel López-Higuera

Multifunctional light beam control device by stimuli-responsive liquid crystal micro-grating structures

Scientific reports [Nature Publishing Group], Volume: 10 Issue: 1 Pages: 1-10

Jose Francisco Algorri, Przemek Morawiak, Dimitrios C Zografopoulos, Noureddine Bennis, Anna Spadlo, Luis Rodriguez-Cobo, Leszek R Jaroszewicz, Jose Manuel Sanchez-Pena, Jose Miguel Lopez-Higuera

Cylindrical and Powell liquid crystal lenses with positive-negative optical power

IEEE Photonics Technology Letters [IEEE], Volume: 32 Issue: 17 Pages: 1057-1060

Goran Isic, Dimitrios C Zografopoulos, Danka B Stojanovic, Borislav Vasic, Milivoj R Belic

Beam steering efficiency in resonant reflective metasurfaces

IEEE Journal of Selected Topics in Quantum Electronics [IEEE],

Goran Isić, Dimitrios C Zografopoulos, Danka B Stojanović, Borislav Vasić, Milivoj R Belić

Beam Steering Efficiency in Resonant Reflective Metasurfaces

IEEE Journal of Selected Topics in Quantum Electronics [IEEE], Volume: 27 Issue: 1 Pages: 1-8

Annalisa D’Arco, Valentina Mussi, Stefan Petrov, Silvia Tofani, Massimo Petrarca, Romeo Beccherelli, Dimitre Dimitrov, Vera Marinova, Stefano Lupi, Dimitrios C Zografopoulos

Fabrication and spectroscopic characterization of graphene transparent electrodes on flexible cyclo-olefin substrates for terahertz electro-optic applications

Nanotechnology [IOP Publishing], Volume: 31 Issue: 36 Pages: 364006

JF Algorri, Przemysław Morawiak, Noureddine Bennis, DC Zografopoulos, V Urruchi, L Rodríguez-Cobo, Leszek Roman Jaroszewicz, JM Sánchez-Pena, José Miguel López-Higuera

Positive-negative tunable liquid crystal lenses based on a microstructured transmission line

Scientific Reports [Nature Publishing Group], Volume: 10 Issue: 1 Pages: 1-9

KP Prokopidis, DC Zografopoulos

Fourth-order Jameson-Schmidt-Turkel FDTD scheme for nonmagnetised cold plasma

Electronics Letters [IET Digital Library], Volume: 56 Issue: 8 Pages: 375-378

JF Algorri, Przemysław Morawiak, DC Zografopoulos, Noureddine Bennis, Anna Maria Spadło, L Rodríguez-Cobo, Leszek Roman Jaroszewicz, JM Sánchez-Pena, José Miguel López-Higuera

Erratum: Author Correction: Multifunctional light beam control device by stimuli-responsive liquid crystal micro-grating structures (Scientific reports (2020) 10 1 (13806))

Scientific Reports [], Volume: 10

JF Algorri, P Morawiak, N Bennis, DC Zografopoulos, V Urruchi, L Rodríguez-Cobo, LR Jaroszewicz, JM Sánchez-Pena, JM López-Higuera

Author Correction: Positive-negative tunable liquid crystal lenses based on a microstructured transmission line

Scientific Reports [Nature Publishing Group], Volume: 10

L Maiolo, A Ferraro, F Maita, R Beccherelli, EE Kriezis, TV Yioultsis, DC Zografopoulos

Quarter-wave plate metasurfaces on electromagnetically thin polyimide substrates

Applied Physics Letters [AIP Publishing LLC], Volume: 115 Issue: 24 Pages: 241602

Borislav Vasic, Goran Isic, Romeo Beccherelli, Dimitrios C Zografopoulos

Tunable beam steering at terahertz frequencies using reconfigurable metasurfaces coupled with liquid crystals

IEEE Journal of Selected Topics in Quantum Electronics [IEEE],

Borislav Vasić, Goran Isić, Romeo Beccherelli, Dimitrios C Zografopoulos

Tunable Beam Steering at Terahertz Frequencies Using Reconfigurable Metasurfaces Coupled With Liquid Crystals

IEEE Journal of Selected Topics in Quantum Electronics [IEEE], Volume: 26 Issue: 5 Pages: 1-9

Dimitrios C Zografopoulos, Antonio Ferraro, José Francisco Algorri, Pedro Martín‐Mateos, Braulio García‐Cámara, Aldo Moreno‐Oyervides, Viktor Krozer, Pablo Acedo, Ricardo Vergaz, José Manuel Sánchez‐Pena, Romeo Beccherelli

All‐Dielectric Silicon Metasurface with Strong Subterahertz Toroidal Dipole Resonance

Advanced Optical Materials [], Volume: 7 Issue: 19 Pages: 1900777

A Ferraro, AA Tanga, DC Zografopoulos, GC Messina, M Ortolani, R Beccherelli

Guided mode resonance flat-top bandpass filter for terahertz telecom applications

Optics letters [Optical Society of America], Volume: 44 Issue: 17 Pages: 4239-4242

Dimitrios C Zografopoulos, José Francisco Algorri, Antonio Ferraro, Braulio García-Cámara, José Manuel Sánchez-Pena, Romeo Beccherelli

Toroidal metasurface resonances in microwave waveguides

Scientific reports [Nature Publishing Group], Volume: 9 Issue: 1 Pages: 1-11

Silvia Tofani, Dimitrios C Zografopoulos, Mauro Missori, Renato Fastampa, Romeo Beccherelli

Terahertz focusing properties of polymeric zone plates characterized by a modified knife-edge technique

JOSA B [Optical Society of America], Volume: 36 Issue: 5 Pages: D88-D96

JF Algorri, DC Zografopoulos, A Ferraro, B García-Cámara, R Beccherelli, JM Sánchez-Pena

Ultrahigh-quality factor resonant dielectric metasurfaces based on hollow nanocuboids

Optics express [Optical Society of America], Volume: 27 Issue: 5 Pages: 6320-6330

Goran Isić, Georgios Sinatkas, Dimitrios C Zografopoulos, Borislav Vasić, Antonio Ferraro, Romeo Beccherelli, Emmanouil E Kriezis, Milivoj Belić

Electrically Tunable Metal–Semiconductor–Metal Terahertz Metasurface Modulators

IEEE Journal of Selected Topics in Quantum Electronics [IEEE], Volume: 25 Issue: 3 Pages: 1-8

Goran Isic, Georgios Sinatkas, Dimitrios C Zografopoulos, Borislav Vasic, Antonio Ferraro, Romeo Beccherelli, Emmanouil E Kriezis, Milivoj R Belic

Electrically Tunable Metal-Semiconductor-Metal Terahertz Metasurface Modulators

IEEE Journal of Selected Topics in Quantum Electronics [IEEE],

José Francisco Algorri, Dimitrios C Zografopoulos, Antonio Ferraro, Braulio García-Cámara, Ricardo Vergaz, Romeo Beccherelli, José Manuel Sánchez-Pena

Anapole Modes in Hollow Nanocuboid Dielectric Metasurfaces for Refractometric Sensing

Nanomaterials [Multidisciplinary Digital Publishing Institute], Volume: 9 Issue: 1 Pages: 30

Antonio Ferraro, Dimitrios C Zografopoulos, Roberto Caputo, Romeo Beccherelli

Guided-mode resonant narrowband terahertz filtering by periodic metallic stripe and patch arrays on cyclo-olefin substrates

Scientific reports [Nature Publishing Group], Volume: 8 Issue: 1 Pages: 1-8

Silvia Tofani, Dimitrios C Zografopoulos, Mauro Missori, Renato Fastampa, Romeo Beccherelli

High Resolution Binary Zone Plate in Double-Sided Configuration for Terahertz Radiation Focusing

IEEE Photonics Technology Letters [IEEE], Volume: 31 Issue: 2 Pages: 117-120

Konstantinos P Prokopidis, Dimitrios C Zografopoulos

One-Step Leapfrog ADI-FDTD Method Using the Complex-Conjugate Pole-Residue Pairs Dispersion Model

IEEE Microwave and Wireless Components Letters [IEEE], Volume: 28 Issue: 12 Pages: 1068-1070

Dimitrios C Zografopoulos, Konstantinos P Prokopidis, Antonio Ferraro, Luke Peters, Marco Peccianti, Romeo Beccherelli

Numerical and experimental time-domain characterization of terahertz conducting polymers

IEEE Photonics Technology Letters [IEEE], Volume: 30 Issue: 17 Pages: 1579-1582

Antonio Ferraro, Dimitrios C Zografopoulos, Marc A Verschuuren, Dick KG de Boer, Frank Kong, H Paul Urbach, Romeo Beccherelli, Roberto Caputo

Directional Emission of Fluorescent Dye-Doped Dielectric Nanogratings for Lighting Applications.

ACS applied materials & interfaces [American Chemical Society], Volume: 10 Issue: 29 Pages: 24750-24757

Walter Fuscaldo, Silvia Tofani, Dimitrios C Zografopoulos, Paolo Baccarelli, Paolo Burghignoli, Romeo Beccherelli, Alessandro Galli

Systematic Design of THz Leaky-Wave Antennas based on Homogenized Metasurfaces

IEEE Transactions on Antennas and Propagation [IEEE], Volume: 66 Issue: 3 Pages: 1169-1178

DC Zografopoulos, G Sinatkas, E Lotfi, LA Shahada, Mohamed A Swillam, EE Kriezis, R Beccherelli

Amplitude modulation in infrared metamaterial absorbers based on electro-optically tunable conducting oxides

Applied Physics A [Springer Berlin Heidelberg], Volume: 124 Issue: 2 Pages: 1-6

Dimitrios C Zografopoulos, Antonio Ferraro, Romeo Beccherelli

Liquid‐Crystal High‐Frequency Microwave Technology: Materials and Characterization

Advanced Materials Technologies [], Pages: 1800447

A Ferraro, DC Zografopoulos, R Caputo, R Beccherelli

Terahertz narrowband transmission filters based on guided mode resonant metallic gratings

Book of abstracts [], Pages: 136

KP Prokopidis, DC Zografopoulos

Generalised 3-D ADI-FDTD algorithm for the modeling of wave propagation in dispersive media

Electronics Letters [The Institution of Engineering and Technology], Volume: 53 Issue: 18 Pages: 1242-1244

Konstantinos Prokopidis, Dimitrios Zografopoulos

Generalized 3-D ADI-FDTD algorithm for wave propagation in dispersive media

Electronics Letters [IET Digital Library],

Dimitrios C Zografopoulos, Emmanouil E Kriezis, Romeo Beccherelli

Design of switchable guided-mode resonant filters in zenithal-bistable liquid-crystal gratings

IEEE Photonics Technology Letters [IEEE], Volume: 29 Issue: 16 Pages: 1367-1370

A Ferraro, DC Zografopoulos, R Caputo, R Beccherelli

Angle-resolved and polarization-dependent investigation of cross-shaped frequency-selective surface terahertz filters

Applied Physics Letters [AIP Publishing LLC], Volume: 110 Issue: 14 Pages: 141107

Antonio Ferraro, Dimitrios C Zografopoulos, Roberto Caputo, Romeo Beccherelli

Terahertz polarizing component on cyclo-olefin polymer

Photonics Letters of Poland [], Volume: 9 Issue: 1 Pages: 2-4

Nourhan H Fouad, Aya O Zaki, Dimitrios C Zografopoulos, Romeo Beccherelli, Mohamed A Swillam

Low power hybrid plasmonic microring-on-disks electro-optical modulators

Journal of Nanophotonics [International Society for Optics and Photonics], Volume: 11 Issue: 1 Pages: 016014

Borislav Vasić, Dimitrios C Zografopoulos, Goran Isić, Romeo Beccherelli, Radoš Gajić

Electrically tunable terahertz polarization converter based on overcoupled metal-isolator-metal metamaterials infiltrated with liquid crystals

Nanotechnology [IOP Publishing], Volume: 28 Issue: 12 Pages: 124002

Antonio Ferraro, Dimitrios C Zografopoulos, Roberto Caputo, Romeo Beccherelli

Broad-and Narrow-line Terahertz Filtering in Frequency-selective Surfaces Patterned on Thin Low-loss Polymer Substrates

IEEE Journal of selected topics in quantum electronics [IEEE], Volume: 23 Issue: 4 Pages: 1-8

Konstantinos P Prokopidis, Dimitrios C Zografopoulos

Modeling Plasmonic Structures Using LOD-FDTD Methods With Accurate Dispersion Models of Metals at Optical Wavelengths

Journal of Lightwave Technology [IEEE], Volume: 35 Issue: 2 Pages: 193-200

Konstantinos P Prokopidis, Dimitrios C Zografopoulos

Modeling Plasmonic Structures Using LOD-FDTD Methods With Accurate Dispersion Models of Metals at Optical Wavelengths

Journal of Lightwave Technology [IEEE], Volume: 35 Issue: 2 Pages: 193-200

Georgios Sinatkas, Alexandros Pitilakis, Dimitrios C Zografopoulos, Romeo Beccherelli, Emmanouil E Kriezis

Transparent conducting oxide electro-optic modulators on silicon platforms: A comprehensive study based on the drift-diffusion semiconductor model

Journal of Applied Physics [AIP Publishing LLC], Volume: 121 Issue: 2 Pages: 023109

SM Sherif, DC Zografopoulos, LA Shahada, R Beccherelli, M Swillam

Integrated plasmonic refractometric sensor using Fano resonance

Journal of Physics D: Applied Physics [IOP Publishing], Volume: 50 Issue: 5 Pages: 055104

Walter Fuscaldo, Silvia Tofani, Dimitrios C Zografopoulos, Paolo Baccarelli, Paolo Burghignoli, Romeo Beccherelli, Alessandro Galli

Tunable Fabry-Perot Cavity THz Antenna Based on Leaky-Wave Propagation in Nematic Liquid Crystals

IEEE Antennas and Wireless Propagation Letters [IEEE], Volume: 16 Pages: 2046-2049

Dimitrios C Zografopoulos, Mohamed A Swillam, Romeo Beccherelli

Electro-optic modulators based on hybrid plasmonic micro-ring-disk resonators with femtojoule switching energy

Applied Physics A [Springer Berlin Heidelberg], Volume: 122 Issue: 12 Pages: 1-8

Antonio Ferraro, Dimitrios C Zografopoulos, Roberto Caputo, Romeo Beccherelli

Periodical Elements as Low-Cost Building Blocks for Tunable Terahertz Filters

IEEE Photonics Technology Letters [IEEE], Volume: 28 Issue: 21 Pages: 2459-2462

A Ferraro, DC Zografopoulos, M Missori, M Peccianti, R Caputo, R Beccherelli

Flexible terahertz wire grid polarizer with high extinction ratio and low loss

Optics letters [Optical Society of America], Volume: 41 Issue: 9 Pages: 2009-2012

Dimitrios C Zografopoulos, Goran Isić, Emmanouil E Kriezis, Romeo Beccherelli

A switchable circular polarizer based on zenithal bistable liquid crystal gratings

Journal of Physics D: Applied Physics [IOP Publishing], Volume: 49 Issue: 19 Pages: 195104

Konstantinos P Prokopidis, Dimitrios C Zografopoulos

Time-domain numerical scheme based on low-order partial-fraction models for the broadband study of frequency-dispersive liquid crystals

JOSA B [Optical Society of America], Volume: 33 Issue: 4 Pages: 622-629

Dimitrios C Zografopoulos, Mohamed A Swillam, Lamees A Shahada, Romeo Beccherelli

Hybrid electro-optic plasmonic modulators based on directional coupler switches

Applied Physics A [Springer Berlin Heidelberg], Volume: 122 Issue: 4 Pages: 344

Dimitrios C Zografopoulos, Mohamed Swillam, Romeo Beccherelli

Hybrid Plasmonic Modulators and Filters Based on Electromagnetically Induced Transparency

IEEE Photonics Technology Letters [IEEE], Volume: 28 Issue: 7 Pages: 818-821

DC Zografopoulos, MA Swillam, L Shehada, R Beccherelli

Hybrid electro-optical plasmonic modulators and switches for integrated optical signal processing

the 6th International Conference on Metamaterials, Photonic Crystals and Plasmonics, META [], Volume: 15

DC Zografopoulos, KP Prokopidis, S Tofani, O Chojnowska, R Dąbrowski, EE Kriezis, R Beccherelli

An ADE-FDTD Formulation for the Study of Liquid-Crystal Components in the Terahertz Spectrum

Molecular Crystals and Liquid Crystals [Taylor & Francis], Volume: 619 Issue: 1 Pages: 49-60

Dimitrios C Zografopoulos, Romeo Beccherelli

Tunable terahertz fishnet metamaterials based on thin nematic liquid crystal layers for fast switching

Scientific reports [Nature Publishing Group], Volume: 5 Issue: 1 Pages: 1-11

Goran Isić, Borislav Vasić, Dimitrios C Zografopoulos, Romeo Beccherelli, Radoš Gajić

Electrically Tunable Critically Coupled Terahertz Metamaterial Absorber Based on Nematic Liquid Crystals

Physical Review Applied [American Physical Society], Volume: 3 Issue: 6 Pages: 064007

Konstantinos P Prokopidis, Dimitrios C Zografopoulos

Authors' Reply to “On the Equivalence of the Stability of the DE and JE ADE-FDTD Schemes for Implementing the Modified Lorentz Dispersive Model”

IEEE Microwave and Wireless Components Letters [IEEE], Volume: 25 Issue: 7 Pages: 489-489

Romeo Beccherelli, Dimitrios C Zografopoulos

Tunable terahertz fishnet metamaterials based on thin nematic liquid crystal layers for fast switching

Sci. Rep. [Nature Publishing Group], Volume: 5 Issue: 1

Dimitrios C Zografopoulos, Konstantinos P Prokopidis

Transparent nanoprobes in integrated plasmonic circuits based on plasmonic cloaking

Physical Review Applied [American Physical Society], Volume: 2 Issue: 6 Pages: 064009

Dimitrios C Zografopoulos, Romeo Beccherelli, Emmanouil E Kriezis

Beam-splitter switches based on zenithal bistable liquid-crystal gratings

Physical Review E [American Physical Society], Volume: 90 Issue: 4 Pages: 042503

Dimitrios C Zografopoulos, Emmanouil E Kriezis

Switchable beam steering with zenithal bistable liquid-crystal blazed gratings

Optics letters [Optical Society of America], Volume: 39 Issue: 20 Pages: 5842-5845

Konstantinos P Prokopidis, Dimitrios C Zografopoulos

An ADI-FDTD Formulation With Modified Lorentz Dispersion for the Study of Plasmonic Structures

IEEE Photonics Technology Letters [IEEE], Volume: 26 Issue: 22 Pages: 2267-2270

DC Zografopoulos, KP Prokopidis, R Dąbrowski, R Beccherelli

Time-domain modeling of dispersive and lossy liquid-crystals for terahertz applications

Optical Materials Express [Optical Society of America], Volume: 4 Issue: 3 Pages: 449-457

Konstantinos P Prokopidis, Dimitrios C Zografopoulos

Investigation of the stability of ADE-FDTD methods for modified Lorentz media

IEEE Microwave and Wireless Components Letters [IEEE], Volume: 24 Issue: 10 Pages: 659-661

Roman Sławomir Dąbrowski, R Beccherelli, KP Prokopidis, DC Zografopoulos

Time-domain modeling of dispersive and lossy liquid-crystals for terahertz applications

Optical Materials Express [], Volume: 4 Issue: 3

Konstantinos P Prokopidis, Dimitrios C Zografopoulos, Emmanouil E Kriezis

Rigorous broadband investigation of liquid-crystal plasmonic structures using finite-difference time-domain dispersive-anisotropic models

JOSA B [Optical Society of America], Volume: 30 Issue: 10 Pages: 2722-2730

Dimitrios C Zografopoulos, Alexandros K Pitilakis, Emmanouil E Kriezis

Dual-band electro-optic polarization switch based on dual-core liquid-crystal photonic crystal fibers

Applied optics [Optical Society of America], Volume: 52 Issue: 26 Pages: 6439-6444

Konstantinos P Prokopidis, Dimitrios C Zografopoulos

A unified FDTD/PML scheme based on critical points for accurate studies of plasmonic structures

Journal of lightwave technology [IEEE], Volume: 31 Issue: 15 Pages: 2467-2476

KP Prokopidis, DC Zografopoulos

Efficient FDTD algorithms for dispersive Drude-critical points media based on bilinear z-transform

Electronics letters [IET], Volume: 49 Issue: 8 Pages: 534-536

Dimitrios C Zografopoulos, Romeo Beccherelli

Plasmonic variable optical attenuator based on liquid-crystal tunable stripe waveguides

Plasmonics [Springer US], Volume: 8 Issue: 2 Pages: 599-604

Dimitrios C Zografopoulos, Romeo Beccherelli

Liquid-crystal tunable long-range surface plasmon polariton directional coupler

Molecular Crystals and Liquid Crystals [Taylor & Francis Group], Volume: 573 Issue: 1 Pages: 70-76

Dimitrios C Zografopoulos, Romeo Beccherelli

Liquid-crystal-tunable metal–insulator–metal plasmonic waveguides and Bragg resonators

Journal of Optics [IOP Publishing], Volume: 15 Issue: 5 Pages: 055009

DC Zografopoulos, R Beccherelli

Long-range plasmonic directional coupler switches controlled by nematic liquid crystals

Optics express [Optical Society of America], Volume: 21 Issue: 7 Pages: 8240-8250

Dimitrios C Zografopoulos, Romeo Beccherelli

Design of a vertically coupled liquid-crystal long-range plasmonic optical switch

Applied Physics Letters [American Institute of Physics], Volume: 102 Issue: 10 Pages: 101103

Odysseas Tsilipakos, Dimitrios C Zografopoulos, Emmanouil E Kriezis

Quasi-soliton pulse-train propagation in dispersion-managed silicon rib waveguides

IEEE Photonics Technology Letters [IEEE], Volume: 25 Issue: 8 Pages: 724-727

Dimitrios C Zografopoulos, Romeo Beccherelli, Anna C Tasolamprou, Emmanouil E Kriezis

Liquid–crystal tunable waveguides for integrated plasmonic components

Photonics and Nanostructures-Fundamentals and Applications [Elsevier], Volume: 11 Issue: 1 Pages: 73-84

Dimitrios C Zografopoulos, Romeo Beccherelli, Emmanouil E Kriezis

Quasi-soliton propagation in dispersion-engineered silicon nanowires

Optics communications [North-Holland], Volume: 285 Issue: 15 Pages: 3306-3311

AC Tasolamprou, DC Zografopoulos, EE Kriezis

Liquid crystal-based dielectric loaded surface plasmon polariton optical switches

Journal of Applied Physics [American Institute of Physics], Volume: 110 Issue: 9 Pages: 093102

DC Zografopoulos, C Vázquez, EE Kriezis, TV Yioultsis

Dual-core photonic crystal fibers for tunable polarization mode dispersion compensation

Optics express [Optical Society of America], Volume: 19 Issue: 22 Pages: 21680-21691

Alexandros K Pitilakis, Dimitrios C Zografopoulos, Emmanouil E Kriezis

In-line polarization controller based on liquid-crystal photonic crystal fibers

Journal of lightwave technology [IEEE], Volume: 29 Issue: 17 Pages: 2560-2569

AC Tasolamprou, B Bellini, DC Zografopoulos, EE Kriezis, R Beccherelli

Tunable optical properties of silicon-on-insulator photonic crystal slab structures

Journal European Optical Society-Rapid Publications vol 4 09017 [], Volume: 4 Pages: 9017

Dimitrios C Zografopoulos, Emmanouil E Kriezis

Tunable polarization properties of hybrid-guiding liquid-crystal photonic crystal fibers

Journal of lightwave technology [IEEE], Volume: 27 Issue: 6 Pages: 773-779

AC Tasolamprou, M Mitov, DC Zografopoulos, EE Kriezis

Theoretical and experimental studies of hyperreflective polymer-network cholesteric liquid crystal structures with helicity inversion

Optics communications [North-Holland], Volume: 282 Issue: 5 Pages: 903-907

Dimitrios C Zografopoulos, Emmanouil E Kriezis

Tunable optical fiber polarization elements based on long-period gratings inscribed in birefringent microstructured fibers

JOSA B [Optical Society of America], Volume: 25 Issue: 1 Pages: 111-118

Dimitrios C Zografopoulos, Emmanouil E Kriezis, Bob Bellini, Romeo Beccherelli

Tunable one-dimensional photonic crystal slabs based on preferential etching of silicon-on-insulator

Optics express [Optical Society of America], Volume: 15 Issue: 4 Pages: 1832-1844

R Beccherelli, B Bellini, D Zografopoulos, E Kriezis

Tunable one-dimensional photonic crystal slabs (Invited Paper)[6593-15]

PROCEEDINGS-SPIE THE INTERNATIONAL SOCIETY FOR OPTICAL ENGINEERING [International Society for Optical Engineering; 1999], Volume: 6593 Pages: 6593

Dimitrios C Zografopoulos, Emmanouil E Kriezis, Theodoros D Tsiboukis

Tunable highly birefringent bandgap-guiding liquid-crystal microstructured fibers

Journal of lightwave technology [IEEE], Volume: 24 Issue: 9 Pages: 3427

Dimitrios C Zografopoulos, Emmanouil E Kriezis, Michel Mitov, Corinne Binet

Theoretical and experimental optical studies of cholesteric liquid crystal films with thermally induced pitch gradients

Physical Review E [American Physical Society], Volume: 73 Issue: 6 Pages: 061701

DC Zografopoulos, Em E Kriezis, TD Tsiboukis

Photonic crystal-liquid crystal fibers for single-polarization or high-birefringence guidance

Optics express [Optical Society of America], Volume: 14 Issue: 2 Pages: 914-925