Research Program: H2020 FETPROACT-EIC-06-2019 “SMARTWAVE”, Project No. 952088
Funding Body: European Union
Role: Researcher

Research Program: “GRAINS”, No. HFRI-FM17- 2086
Funding Body: Hellenic Foundation for Research & Innovation (H.F.R.I. / EL.ID.E.K.)
Role: Researcher

Research Program: Graphene-based disruptive technologies (Graphene Flagship, Project 696656)
Funding Body: European Union
Role: Researcher

Research Program: H2020 – FET Open “NANOPOLY”, No. 829061
Funding Body: European Union
Role: Researcher

Research Program: H2020 – FET Open “ULTRACHIRAL”, No. 737071
Funding Body: European Union
Role: Researcher

Research Program: H2020 – FET Open “VISORSURF”, No. 736876
Funding Body: European Union
Role: Researcher

Research Program: EDULL34 – “Nonlinear Effects in Resonators Comprising Graphene”
Funding Body: Greece and European Union (European Social Fund- ESF)
Role: Researcher

Research Program: ERC Advanced Grant “PHOTOMETA”, No. 320081
Funding Body: European Research Council (ERC)
Role: Researcher

Research Program: THALES – Project “ANEMOS”, I.D.: 529
Funding Body: European Union (ESF) and Greek national funds (NSRF)
Role: Researcher

Research Program: FP7 project “PLATON”, Contract No.: 249135
Funding Body: European Union
Role: Researcher

2023

• O. Tsilipakos and T. Koschny, “Multiresonant metasurfaces for arbitrarily broad bandwidth pulse chirping and dispersion compensation,” Phys. Rev. B 107, 165408, 2023.
  DOI: 10.1103/PhysRevB.107.165408
• T. Christopoulos, E. E. Kriezis, and O. Tsilipakos, “Multimode non-Hermitian framework for third-order nonlinear photonic systems comprising two-dimensional materials,” Phys. Rev. B 107, 035413, 2023.
  DOI: 10.1103/PhysRevB.107.035413
• D. C. Zografopoulos and O. Tsilipakos, “Recent advances in strongly-resonant and gradient all-dielectric metasurfaces,” Materials Advances 4, pp. 11-34, 2023.
  DOI: 10.1039/D2MA00910B
• O. Tsilipakos, Z. Viskadourakis, A. C. Tasolamprou, D. C. Zografopoulos, M. Kafesaki, G. Kenanakis, E. N. Economou, “Meta-Atoms with Toroidal Topology for Strongly Resonant Responses,” Micromachines 14(2), 468, 2023.
  DOI: 10.3390/mi14020468
• P. Lingos, G. Perrakis, O. Tsilipakos, G. D. Tsibidis, E. Stratakis, “Impact of plasmonic modes on the formation of self-organised nano-patterns in thin films,” Optics & Laser Technology 163, 109415, 2023.
  DOI: j.optlastec.2023.109415

2022

• C. Liaskos, A. Tsioliaridou, K. Georgopoulos, I. Morianos, S. Ioannidis, I. Salem, D. Manessis, S. Schmid, D. Tyrovolas, S. A. Tegos, P.-V. Mekikis, P. D. Diamantoulakis, A. Pitilakis, N. V. Kantartzis, G. K. Karagiannidis, A. C. Tasolamprou, O. Tsilipakos, M. Kafesaki, I. F. Akyildiz, A. Pitsillides, M. Pateraki, M. Vakalellis, I. Spais, "XR-RF Imaging Enabled by Software-Defined Metasurfaces and Machine Learning: Foundational Vision, Technologies and Challenges," IEEE Access, vol. 10, pp. 119841-119862, 2022.
  DOI: 10.1109/ACCESS.2022.3219871

2022

• N. Korakas, V. Tsafas, O. Tsilipakos, I. Konidakis, B. Moog, C. Craig, G. Filippidis, D. Hewak, M. N. Zervas and S. Pissadakis, “Whispering gallery mode resonation in thermally poled borosilicate glass hetero-fibers,” J. Lightw. Technol. 40(14), pp. 4786-4794, 2022.
  DOI: 10.1109/JLT.2022.3164980
• A. Pitilakis, M. Seckel, A. C. Tasolamprou, F. Liu, A. Deltsidis, D. Manessis, A. Ostmann, N. V. Kantartzis, C. Liaskos, C. M. Soukoulis, S. A. Tretyakov, M. Kafesaki, and O. Tsilipakos, “Multi-functional metasurface architecture for amplitude, polarization and wavefront control,” Physical Review Applied 17, 064060, 2022.
  DOI: 10.1103/PhysRevApplied.17.064060
• G. Nousios, T. Christopoulos, O. Tsilipakos and E. Kriezis, “Dynamic Routing through Saturable Absorption in Graphene Photonic Resonators: Impact of Carrier Diffusion and Finite Relaxation Time,” Journal of Applied Physics 131, 053104, 2022.
  DOI: 10.1063/5.0076959
• A. Theodosi, O. Tsilipakos, C. M. Soukoulis, E. N. Economou, M. Kafesaki, “2D-patterned Graphene Metasurfaces for Efficient Third Harmonic Generation at THz Frequencies,” Optics Express 30(1), 460-472, 2022.
  DOI: 10.1364/OE.445751
• H. Taghvaee, A. Pitilakis, O. Tsilipakos, A. Tasolamprou, N. V. Kantartzis, M. Kafesaki, A. Cabellos-Aparicio, E. Alarcon and S. Abadal “Multi-Wideband Terahertz Communications via Tunable Graphene-based Metasurfaces in 6G Networks,” IEEE Vehicular Technology Magazine 17(2), pp. 16-25, 2022.
  DOI: 10.1109/MVT.2022.3155905
• K. Baskourelos, O. Tsilipakos, T. Stefański, S. F. Galata, E. N. Economou, M. Kafesaki, K. L. Tsakmakidis, “Topological Microscopy and Near-Perfect Optical Extraordinary Transmission,” Physical Review Research 4, L032011, 2022.
  DOI: 10.1103/PhysRevResearch.4.L032011
• G. Sinatkas, T. Christopoulos, O. Tsilipakos, E. E. Kriezis, “Electro-optic modulation in integrated photonics,” Journal of Applied Physics 130, 010901, 2021.
  DOI: 10.1063/5.0048712
• A. Xomalis, O. Tsilipakos, M. Manousidaki, O. P. d G. Busquets, G. Kenanakis, S. Tzortzakis, M. Farsari, C. M. Soukoulis, E. N. Economou, M. Kafesaki, “Enhanced refractive index sensing with direction-selective three-dimensional infrared metamaterials,” ACS Appl. Opt. Mater., early access, 2022.
  DOI: 10.1021/acsaom.2c00001

2021

• O. Tsilipakos, L. Maiolo, F. Maita, R. Beccherelli, M. Kafesaki, E. E. Kriezis, T. V. Yioultsis, and D. C. Zografopoulos, “Experimental demonstration of ultrathin broken-symmetry metasurfaces with controllably sharp resonant response,” Applied Physics Letters 119, 231601, 2021.
  DOI: 10.1063/5.0073803
• Z. Viskadourakis, E. Tamiolakis, O. Tsilipakos, A. C. Tasolamprou, E. N. Economou, G. Kenanakis, “3D-Printed Metasurface Units for Potential Energy Harvesting Applications at the 2.4 GHz Frequency Band,” Crystals 11, 1089, 2021.
  DOI: 10.3390/cryst11091089
• V. Melissinaki, O. Tsilipakos, M. Kafesaki, M. Farsari, S. Pissadakis, “Micro-ring resonator devices prototyped on optical fiber tapers by multi-photon lithography,” IEEE Journal of Selected Topics in Quantum Electronics, vol. 27, no. 6, pp. 1-7, Nov.-Dec. 2021, Art no. 5900107
  DOI: 10.1109/JSTQE.2021.3062716
• O. Tsilipakos, L. Zhang, M. Kafesaki, C. M. Soukoulis, T. Koschny, "Experimental Implementation of Achromatic Multiresonant Metasurface for Broadband Pulse Delay," ACS Photonics 8(6), 1649–1655, 2021.
  DOI: 10.1021/acsphotonics.1c00025
• E. Takou, A. C. Tasolamprou, O. Tsilipakos, Z. Viskadourakis, M. Kafesaki, G. Kenanakis, E. N. Economou, “Anapole dissipation loss resilience in thermally tunable dielectric water-based metasurfaces,” Phys. Rev. Appl. 15, 014043, 2021.
  DOI: 10.1103/PhysRevApplied.15.014043

2020

• T. Christopoulos, O. Tsilipakos, E. E. Kriezis, Nonlinear Perturbation Theory for Leaky Cavities,” Opt. Lett. 45(23), pp. 6442-6445, 2020.
  DOI: 10.1364/OL.408336
• O. Tsilipakos, A. Xomalis, G. Kenanakis, M. Farsari, C. M. Soukoulis, E. N. Economou, M. Kafesaki, “Split-cube-resonator-based metamaterials for polarization-selective asymmetric perfect absorption,” Scientific Reports 10, 17653, 2020.
  DOI: 10.1038/s41598-020-74221-7
• K. M. Kossifos, L. Petrou, G. Varnava, A. Pitilakis, O. Tsilipakos, F. Liu, P. Karousios, A. Tasolamprou, M. Seckel, D. Manessis, N. V. Kantartzis, D.-H. Kwon,  M. A. Antoniades, and J. Georgiou, “Toward the Realization of Programmable Metasurface Absorber Enabled by Custom Integrated Circuit Technology,” IEEE Access, vol. 8, pp. 92986-92998, 2020,
  DOI: 10.1109/ACCESS.2020.2994469
• A. Pitilakis, O. Tsilipakos, F. Liu, K. M. Kossifos, A. C. Tasolamprou, D.-H. Kwon, M. S. Mirmoosa, D. Manessis, N. V. Kantartzis, C. Liaskos, M. A. Antoniades, J. Georgiou, C. M. Soukoulis, M. Kafesaki, and S. A. Tretyakov, “A Multi-Functional Reconfigurable Metasurface: Electromagnetic Design Accounting for Fabrication Aspects,” IEEE Transactions on Antennas and Propagation 69(3), pp. 1440-1454, 2020.
  DOI: 10.1109/TAP.2020.3016479
• O. Tsilipakos, M. Kafesaki, E. N. Economou, C. M. Soukoulis, T. Koschny, “Squeezing a prism into a surface: Emulating bulk optics with achromatic metasurfaces,” Advanced Optical Materials 8(23), 2000942, 2020.
  DOI: 10.1002/adom.202000942
• T. Christopoulos, O. Tsilipakos, E. E. Kriezis, “Degenerate four-wave mixing in THz standing-wave graphene resonators,” J. Opt. Soc. Am. B 37(9), 2626-2636, 2020.
  DOI: 10.1364/JOSAB.395461
• O. Tsilipakos, A. C. Tasolamprou, A. Pitilakis, F. Liu, X. Wang, M. S. Mirmoosa, D. C. Tzarouchis, S. Abadal, H. Taghvaee, C. Liaskos, A. Tsioliaridou, J. Georgiou, A. Cabellos-Aparicio, E. Alarcón, S. Ioannidis, A. Pitsillides, I. F. Akyildiz, N. V. Kantartzis, E. N. Economou, C. M. Soukoulis, M. Kafesaki, S. Tretyakov, “Towards Ιntelligent Metasurfaces: The Progress from Globally-Tunable Metasurfaces to Software-Defined Metasurfaces with an Embedded Network of Controllers,” Advanced Optical Materials 8(17), 2000783, 2020..
  DOI: 10.1002/adom.202000783
• H. Taghvaee, S. Abadal, A. Pitilakis, O. Tsilipakos, A. Tasolamprou, C. Liaskos, M. Kafesaki, N. V. Kantartzis, A. Cabellos-Aparicio, and E. Alarcon, “Scalability Analysis of Programmable Metasurfaces for Beam Steering,” IEEE Access, vol.  8, pp. 105320-105334, 2020.
  DOI: 10.1109/ACCESS.2020.3000424

2019

• A. C. Tasolamprou, A. Pitilakis, S. Abadal, O. Tsilipakos, X. Timoneda, H. Taghvaee, M. S.Mirmoosa, F. Liu, C. Liaskos, A. Tsioliaridou, N. V.Kantartzis, D. Manessis, J. Georgiou, A. Cabellos-Aparicio, E. Alarcón, A. Pitsillides, I. F.Akyildiz, S. A. Tretyakov, E. N. Economou, M. Kafesaki, and C. M. Soukoulis, “Exploration of Intercell Wireless Milimeter-Wave Communication in the Landscape of Intelligent Metasurfaces,” IEEE Access, vol. 7, pp. 122931-122948, 2019.
  DOI: 10.1109/ACCESS.2019.2933355
• G. Sinatkas, T. Christopoulos, O. Tsilipakos, and E. E. Kriezis, “Comparative study of transparent conducting oxide and graphene silicon-photonic modulators,” Physical Review Applied 12, 064023, 2019.
  DOI: 10.1103/PhysRevApplied.12.064023
• E. Takou, A. C. Tasolamprou, O. Tsilipakos, and E. N. Economou, “Dynamic Anapole in Metasurfaces made of Sculptured Cylinders,” Physical Review B 100, 085431, 2019.
  DOI: 10.1103/PhysRevB.100.085431
• T. Christopoulos, O. Tsilipakos, G. Sinatkas and E. E. Kriezis, “On the calculation of Quality Factor in contemporary photonic resonant structures,” Optics Express 27(10), pp. 14505-14522, 2019.
  DOI: 10.1364/OE.27.014505
• F. Liu, O. Tsilipakos, A. Pitilakis, A. C. Tasolamprou, M. S. Mirmoosa, N. V. Kantartzis, D.-H. Kwon, J. Georgiou, K. Kossifos, M. A. Antoniades, M. Kafesaki, C. M. Soukoulis, S. A. Tretyakov, “Intelligent Metasurfaces with Continuously Tunable Local Surface Impedance for Multiple Reconfigurable Functions” Phys. Rev. Appl. 11, 044024, 2019.
  DOI: 10.1103/PhysRevApplied.11.044024
• G. Perrakis, O. Tsilipakos, G. Kenanakis, M. Kafesaki, C. M. Soukoulis, E. N. Economou, “Perfect optical absorption with nanostructured metal films: design and experimental demonstration,” Opt. Express 27(5), pp. 6842-6850, 2019.
  DOI: 10.1364/OE.27.006842

2018

• T. Christopoulos, O. Tsilipakos, G. Sinatkas and E. E. Kriezis, “Degenerate four-wave mixing in nonlinear resonators comprising 2D materials: a coupled-mode theory approach,” Phys. Rev. B 98, 235421, 2018.
  DOI: 10.1103/PhysRevB.98.235421
• O. Tsilipakos, A. C. Tasolamprou, T. Koschny, M. Kafesaki, E. N. Economou and C. M. Soukoulis, “Pairing toroidal and magnetic dipole resonances in elliptic dielectric rod metasurfaces for reconfigurable wavefront manipulation in reflection,” Adv. Opt. Mater. 6, 1800633, 2018.
  DOI: 10.1002/adom.201800633
• O. Tsilipakos, T. Koschny, C. M. Soukoulis, “Antimatched Electromagnetic Metasurfaces for Broadband Arbitrary Phase Manipulation in Reflection,” ACS Photonics 5(3), pp. 1101-1107, 2018.
  DOI: 10.1021/acsphotonics.7b01415

2017

• T. Christopoulos, O. Tsilipakos, and E. E. Kriezis, “Low-power bistability in graphene-comprising 3D photonic resonant circuits,” J. Appl. Phys. 122, 233101, 2017.
  DOI: 10.1063/1.5005610

2016

• A. C. Tasolamprou, O. Tsilipakos, M. Kafesaki, C. M. Soukoulis and E. N. Economou, “Toroidal eigenmodes in all-dielectric metamolecules,” Phys. Rev. B 94, 205433, 2016.
  DOI: 10.1103/PhysRevB.94.205433
• T. Christopoulos, O. Tsilipakos, N. Grivas, and E. E. Kriezis, “Coupled-mode-theory framework for nonlinear resonators comprising graphene,” Phys. Rev. E. 94, 062219, 2016.
  DOI: 10.1103/PhysRevE.94.062219
• O. Tsilipakos, T. Christopoulos, and E. E. Kriezis, “Long-range hybrid plasmonic disk resonators for mW bistability and self-pulsation,” J. Lightw. Technol. 34 (4), pp. 1333-1343, 2016.
  DOI: 10.1109/JLT.2015.2511447
• T. Christopoulos, O. Tsilipakos, N. Grivas, and E. E. Kriezis, “Coupled-mode-theory framework for nonlinear resonators comprising graphene,” Phys. Rev. E. 94, 062219, 2016.
  DOI: 10.1103/PhysRevE.94.062219

2014

• O.Tsilipakos, and E. E. Kriezis, "Optical bistability with hybrid silicon-plasmonic disk resonators," J. Opt. Soc. Am. B, vol. 31, no. 7, pp. 1698-1705, 2014.
  DOI: 10.1364/JOSAB.31.001698
• A. Pitilakis, O. Tsilipakos and E. E. Kriezis, “Optimizing Silicon-Plasmonic Waveguides for χ(3) nonlinear applications,” Appl. Phys. A, vol. 115, no. 2, pp. 475-479, 2014.
  DOI: 10.1007/s00339-013-8055-y

2013

• D. A. Ketzaki, O. Tsilipakos, T. V. Yioultsis, and E. E. Kriezis, “Electromagnetically induced transparency with hybrid silicon-plasmonic traveling-wave resonators,” J. Appl. Phys., vol. 114, 113107, 2013.
  DOI: 10.1063/1.4821796
• O. Tsilipakos, D. C. Zografopoulos and E. E. Kriezis, “Quasi-soliton pulse-train propagation in dispersion-managed silicon rib waveguides,” IEEE Photon. Technol. Lett., vol. 25, no. 8, pp. 724-727, 2013.
  DOI: 10.1109/LPT.2013.2248355

2012

• O. Tsilipakos, A. Pitilakis, T. V. Yioultsis, S. Papaioannou, K. Vyrsokinos, D. Kalavrouziotis, G. Giannoulis, D. Apostolopoulos, H. Avramopoulos, T. Tekin, M. Baus, M. Karl, K. Hassan, J.-C. Weeber, L. Markey, A. Dereux, A. Kumar, S. I. Bozhevolnyi, N. Pleros, and E. E. Kriezis, “Interfacing dielectric-loaded plasmonic and silicon photonic waveguides: Theoretical analysis and experimental demonstration,” ΙΕΕΕ J. Quant. Electron., vol. 48, no. 5, pp. 678-687, 2012.
  DOI: 10.1109/JQE.2012.2189757
• D. Kalavrouziotis, S. Papaioannou, G. Giannoulis, D. Apostolopoulos, K. Hassan, L. Markey, J.-C. Weeber, A. Dereux, A. Kumar, S. I. Bozhevolnyi, M. Baus, M. Karl, T. Tekin, O. Tsilipakos, A. Pitilakis, E. E. Kriezis, H. Avramopoulos, K. Vyrsokinos, and N. Pleros, “0.48Tb/s (12x40Gb/s) WDM transmission and high-quality thermo-optic switching in dielectric loaded plasmonics,” Opt. Express, vol. 20, no. 7, pp. 7655-7662, 2012.
  DOI: 10.1364/OE.20.007655
• G. Giannoulis, D. Kalavrouziotis, D. Apostolopoulos, S. Papaioannou, A. Kumar, S. I. Bozhevolnyi, L. Markey, K. Hassan, J.-C. Weeber, A. Dereux, M. Baus, M. Karl, T. Tekin, O. Tsilipakos, A. Pitilakis, E. E. Kriezis, K. Vyrsokinos, H. Avramopoulos, and N. Pleros, “Data transmission and thermo-optic tuning performance of dielectric-loaded plasmonic structures hetero-integrated on a silicon chip,” IEEE Photon. Technol. Lett., vol. 24, no. 5, pp. 374-376, 2012.
  DOI: 10.1109/LPT.2011.2177964

2011

• K. Hassan, J.-C. Weeber, L. Markey, A. Dereux, A. Pitilakis, O. Tsilipakos, and E. E. Kriezis, “Thermo-optic plasmo-photonic mode interference switches based on dielectric loaded waveguides,” Appl. Phys. Lett., vol. 99, 241110, 2011.
  DOI: 10.1063/1.3670500
• S. Papaioannou, K. Vyrsokinos, O. Tsilipakos, A. Pitilakis, K. Hassan, J.-C. Weeber, L. Markey, A. Dereux, S. I. Bozhevonyi, A. Miliou, E. E. Kriezis, and N. Pleros, “A 320Gb/s-throughput capable 2x2 silicon-plasmonic router architecture for optical interconnects,” J. Lightw. Technol., vol. 29, no. 21, pp. 3185-3195, 2011.
  DOI: 10.1109/JLT.2011.2167315
• O. Tsilipakos, E. E. Kriezis, and T. V. Yioultsis, “Boundary condition for the efficient excitation and absorption of hybrid waveguide modes in finite element formulations,” Microw. Opt. Technol. Lett., vol. 53, no. 11, pp. 2626-2631, 2011.
  DOI: 10.1002/mop.26364
• O. Tsilipakos, E. E. Kriezis, and S. I. Bozhevolnyi, “Thermo-optic microring resonator switching elements made of dielectric-loaded plasmonic waveguides,” J. Appl. Phys., vol. 109, 073111, 2011.
  DOI: 10.1063/1.3564949
• O. Tsilipakos, A. Pitilakis, A. C. Tasolamprou, T. V. Yioultsis, and E. E. Kriezis, “Computational techniques for the analysis and design of dielectric-loaded plasmonic circuitry,” Opt. Quant. Electron., vol. 42, no. 8, pp. 541-555, 2011.
  DOI: 10.1007/s11082-011-9440-4

2009-2010

• O. Tsilipakos, and E. E. Kriezis, “Microdisk resonator filters made of dielectric-loaded plasmonic waveguides,” Opt. Commun., vol. 283, no. 15, pp. 3095-3098, 2010.
  DOI: 10.1016/j.optcom.2010.04.016
• O. Tsilipakos, T. V. Yioultsis, and E. E. Kriezis, “Theoretical analysis of thermally tunable microring resonator filters made of dielectric-loaded plasmonic waveguides,” J. Appl. Phys., vol. 106, 093108, 2009.
  DOI: 10.1063/1.3256139