Publications

[2025.1] Zyla G., Papamakarios S., Zografopoulos D. C., Christoforidou A., Kenanakis G., Farsari M., and Tsilipakos O., “Film-assisted multi-photon lithography for efficient printing of electromagnetic surface structures,” Advanced Materials Technology, Vol. 2025, 2402137, (2025). [pdf]
https://doi.org/10.1002/admt.202402137

[2025.2] Pitilakis A. and Kriezis Em. E., “Kerr Microcombs in Integrated Waveguide Ring Resonators Enabled by Graphene Nonlinearity,” IEEE Journal of Quantum Electronics, Vol. 61, No. 2, 6500109, (2025). [pdf]
https://doi.org/10.1109/JQE.2025.3546142

[2025.3] Afra T., Fuscaldo W., Zografopoulos D. C., Natale T., and Dell’Olio F., “Tunable wide band perfect absorber for terahertz waves based on a vanadium dioxide metasurface”, Optical and Quantum Electronics, Vol. 57, 272, (2025). [pdf]
https://doi.org/10.1007/s11082-025-08186-0

[2025.4] Fuscaldo W., Pirrone D., Zografopoulos D. C., Ferraro A., Szriftgiser P., Ducournau G., and Beccherelli R., “Experimental demonstration of 73 Gb/s QPSK and 150 Gb/s QAM-32 wireless data links in the sub-THz band through frequency selective filters”, IEEE Access, Vol. 13, 63556-63565, (2025). [pdf]
https://doi.org/10.1109/ACCESS.2025.3558880

[2025.5] Dmitriev V., Oliveira C., Zografopoulos D. C., and Evangelista A., “THz array of graphene disks: classification of the surface plasmon modes and their excitation”, Journal of Applied Physics, Vol. 137, 183104, (2025). [pdf]
https://doi.org/10.1063/5.0267279

[2025.6] Zografopoulos D. C., Ntokos K., Nousios G., de Calan G., Tsilipakos O., Fuscaldo W., Xomalis A., Pethö L., Algorri J. F., Dmitriev V., Yioultsis T. V., and Kriezis Em. E., “Free-standing zirconia metasurfaces for microwave resonant polarization conversion,” Physical Review Materials, Vol. 9, 055203, (2025). [pdf]
https://doi.org/10.1103/PhysRevMaterials.9.055203

[2025.7] Nousios G., Algorri J. F., Fuscaldo W., Dell’Olio F., Ding Y., Dmitriev V., Andreani L. C., Galli M., Tsilipakos O., Kriezis Em. E., and Zografopoulos D. C., “Silicon slot metasurface supporting bound states in the continuum for lasing and nonlinear applications: theoretical and experimental studies,” Optics and Laser Technology, Vol. 192A, 113398, (2025). [pdf]
https://doi.org/10.1016/j.optlastec.2025.113398

[2025.8] García García B., Fernández-Manteca M. G., Zografopoulos D. C., Gómez-Galdós C., Pérez-Asensio A., Ocampo-Sosa A. A., Rodríguez-Cobo L., Algorri J. F., and Cobo A., “Plasmonic and dielectric metasurfaces for enhanced spectroscopic techniques,” Biosensors, Vol. 15, 401, (2025). [pdf]
https://doi.org/10.3390/bios15070401

[2025.9] Christopoulos T., Hizanidis J., Nousios G., Kriezis E. E.,  and Tsilipakos O., “Assessing two-dimensional materials as enablers for passively 𝑄-switched nanophotonic lasers,” Physical Review Applied, Vol. 24, 014028, (2025).
https://doi.org/10.1103/dnst-bm1h
[2024.1] Passia M-T, Yioultsis T. V., and Kriezis Em. E., “A coupled-mode-theory formulation for periodic multi-element metasurfaces in the presence of radiation losses,” Journal of Applied Physics, Vol. 135, 023102, (2024). [pdf
https://doi.org/10.1063/5.0179442
 
[2024.2] Nousios G., Christopoulos Τ., Tsilipakos O., and Kriezis Em. E., “Theoretical Analysis of Integrated Nanophotonic Q‐Switched Laser Based on Gain and Saturable Absorption by Two‐Dimensional Materials,” Advanced Photonics Research, Vol. 5, 2300249, (2024). [pdf]
https://doi.org/10.1002/adpr.202300249
 
[2024.3] Chatzidimitriou D., Nousios G., Christopoulos Τ., and Kriezis Em. E., “Theoretical study of a passively mode-locked integrated laser based on transition-metal dichalcogenides and graphene,” Physical Review A, Vol. 109, 043522, (2024). [pdf]
https://doi.org/10.1103/PhysRevA.109.043522
 
[2024.4] Christopoulos Τ., Tsilipakos O., and Kriezis Em. E., “Temporal coupled-mode theory in nonlinear resonant photonics: From basic principles to contemporary systems with 2D materials, dispersion, loss, and gain,” Journal of Applied Physics, Vol. 136, 011101, (2024). [Invited Tutorial] [pdf]
https://doi.org/10.1063/5.0190631
 
[2024.5] Raptis S., Ntokos K., Passia M-T, Tourlouki K., Kehagias N., Kriezis, Em. E., and Yioultsis T. V., “Ultra-thin and flexible microwave metasurface absorbers based on resistive patches,” International Journal of Microwave and Wireless Technologies, Vol., (2024). [pdf]
https://doi.org/10.1017/S1759078724001016
 
[2024.6] Christopoulos Τ., Nousios G., Kriezis Em. E., and Tsilipakos O., “Quasinormal mode theory for multiresonant metasurfaces with superwavelength periodicity involving two-dimensional materials,” Physical Review B, Vol. 110, 245407, (2024). [Editor’s Suggestion] [pdf]
https://doi.org/10.1103/PhysRevB.110.245407
[2023.1] Nousios G., Christopoulos Τ., Tsilipakos O., and Kriezis Em. E., “Integrated Lasers with Transition-Metal-Dichalcogenide Heterostructures: Analysis and Design Utilizing Coupled-Mode Theory for Two-Dimensional Materials,” Physical Review Applied, Vol. 19, 064027, (2023). [pdf]
https://doi.org/10.1103/PhysRevApplied.19.064027
 
[2023.2] Christopoulos Τ., Kriezis Em. E., and Tsilipakos O., “Multimode non-Hermitian framework for third harmonic generation in nonlinear photonic systems comprising two-dimensional materials,” Physical Review B, Vol. 107, 035413, (2023). [pdf]
https://doi.org/10.1103/PhysRevB.107.035413
[2022.1] Nousios G., Christopoulos Τ., Tsilipakos O., and Kriezis Em. E., “Dynamic Routing through Saturable Absorption in Graphene Photonic Resonators: Impact of Carrier Diffusion and Finite Relaxation Time,” Journal of Applied Physics, Vol. 131, 053104, (2022). [pdf]
https://doi.org/10.1063/5.0076959
 
[2022.2] Chatzidimitriou D., Zografopoulos D. C., and Kriezis Em. E., “Graphene Saturable Absorber Mirrors for Silicon Photonic Platforms,” IEEE Photonics Journal, Vol. 14, No. 4, 2239908, (2022). [pdf]
https://doi.org/10.1109/JPHOT.2022.3188222
 
[2022.3] Pitilakis A. and Kriezis Em. E., “Ultrafast pulse propagation in graphene-comprising nanophotonic waveguides considering nonperturbative electrodynamic nonlinearity,” Journal of the Optical Society of America B, Vol. 39, No. 10, pp. 2723-2734, (2022). [pdf]
https://doi.org/10.1364/JOSAB.470129
[2021.1] Zografopoulos D. C., Algorri J. F., Fuscaldo W., López-Higuera J. M., Vergaz R., Sánchez-Pena J. M., Karolos I.-A., Beccherelli R., Tsioukas V. E., Yioultsis T. V., Kriezis Em. E., “All-Dielectric Toroidal Metasurfaces for Angular-Dependent Resonant Polarization Beam Splitting,” Advanced Optical Materials, Vol. 9, No. 10, 2002143, (2021). [pdf]
https://doi.org/10.1002/adom.202002143
 
[2021.2] Pitilakis A., Chatzidimitriou D., Yioultsis T. V., Kriezis Em. E., “Asymmetric Si-Slot Coupler With Nonreciprocal Response Based on Graphene Saturable Absorption,” IEEE Journal of Quantum Electronics, Vol. 57, No. 3, 8400210, (2021).
https://doi.org/10.1109/JQE.2021.3071247
 
[2021.3] Chatzidimitriou D., Pitilakis A., Yioultsis T. V., Kriezis Em. E., “Breaking Reciprocity in a non-Hermitian Photonic Coupler with Saturable Absorption,” Physical Review A, Vol. 103, 053503, (2021).
https://doi.org/10.1103/PhysRevA.103.053503
 
[2021.4] Sinatkas G., Christopoulos T., Tsilipakos O., and Kriezis Em. E., “Electro-optic modulation in integrated photonics,” Journal of Applied Physics, Vol. 130, 010901, (2021). [Perspective, Editor’s Pick] [pdf]
https://doi.org/10.1063/5.0048712
 
[2021.5] Tsilipakos O., Maiolo L., Maita F., Beccherelli R., Kafesaki M., Kriezis Em. E., Yioultsis T. V., and Zografopoulos D. C., “Experimental demonstration of ultrathin broken-symmetry metasurfaces with controllably sharp resonant response,” Applied Physics Letters, Vol. 119, 231601, (2021). [pdf]
https://doi.org/10.1063/5.0073803
[2020.1] Christopoulos Τ., Ataloglou V. A., and Kriezis Em. E., “All-optical nanophotonic resonant element for switching and routing applications exploiting graphene saturable absorption,” Journal of Applied Physics, Vol.127, 223102, (2020). [pdf]
https://doi.org/10.1063/5.0004552
 
[2020.2] Christopoulos Τ., Tsilipakos O., and Kriezis Em. E., “Degenerate four-wave mixing in THz with standing-wave graphene resonators,” Journal of the Optical Society of America B, Vol. 37, No. 9, pp. 2626-2636, (2020). [pdf]
https://doi.org/10.1364/JOSAB.395461
 
[2020.3] Chatzidimitriou D. and Kriezis Em. E., “Light propagation in nanophotonic waveguides considering graphene’s saturable absorption,” Physical Review A, Vol. 102, 053512, (2020). [pdf]
https://doi.org/10.1103/PhysRevA.102.053512
 
[2020.4] Christopoulos Τ., Tsilipakos O., and Kriezis Em. E., “Perturbation theory for Kerr nonlinear leaky cavities,” Optics Letters, Vol. 45, No. 23, 6442-6445, (2020). [pdf]
https://doi.org/10.1364/OL.408336
[2019.1] Isić G., Sinatkas G., Zografopoulos D., Vasić B., Ferraro A., Beccherelli R., Kriezis Em. E., and, Belić M., “Electrically Tunable Metal-Semiconductor-Metal Terahertz Metasurface Modulators,” IEEE Journal of Selected Topics in Quantum Electronics, Vol. 25, No. 3, 8500108, (2019). [pdf]
https://doi.org/10.1109/JSTQE.2019.2893762
 
[2019.2] Christopoulos Τ., Tsilipakos O., Sinatkas G. and Kriezis Em. E., “On the calculation of the quality factor in contemporary photonic resonant structures,” Optics Express, Vol. 27, No. 10, 14505, (2019). [pdf]
https://doi.org/10.1364/OE.27.014505
 
[2019.3] Sinatkas G., Christopoulos T., Tsilipakos O., and Kriezis Em. E., “Comparative study of silicon photonic modulators based on transparent conducting oxide and graphene,” Physical Review Applied, Vol. 12, No. 6, 064023, (2019). [pdf]
https://doi.org/10.1103/PhysRevApplied.12.064023
 
[2019.4] Maiolo L., Ferraro A., Maita F., Beccherelli R., Kriezis Em. E, Yioultsis T. V., and Zografopoulos D. C., “Quarter-wave plate metasurfaces on electromagnetically thin polyimide substrates,” Applied Physics Letters, Vol. 115, No. 24, 241602, (2019). [pdf]
https://doi.org/10.1063/1.5132716
[2018.1] Zografopoulos D., Sinatkas G., Lotfi E., Shahada L. A., Swillam M. A., Kriezis Em. E., and Beccherelli R., “Amplitude modulation in infrared metamaterial absorbers based on electro-optically tunable conducting oxides,” Applied Physics A, Vol. 124, 105, (2018). [pdf]
https://doi.org/10.1007/s00339-017-1506-0
 
[2018.2] Chatzidimitriou D. and Kriezis Em. E., “Optical switching through graphene-induced exceptional points,” Journal of the Optical Society of America B, Vol. 35, No. 6, pp. 1525-1535, (2018). [Editor’s Pick] [pdf]
https://doi.org/10.1364/JOSAB.35.001525
 
[2018.3] Ataloglou V. A., Christopoulos Τ., and Kriezis Em. E., “Nonlinear coupled-mode-theory framework for graphene-induced saturable absorption in nanophotonic resonant structures,” Physical Review A, Vol. 97, 063836, (2018). [pdf]
https://doi.org/10.1103/PhysRevA.97.063836
 
[2018.4] Sinatkas G. and Kriezis Em. E., “Silicon-Photonic Electro-Optic Phase Modulators Integrating Transparent Conducting Oxides,” IEEE Journal of Quantum Electronics, Vol. 54, No. 4, 8400208, (2018). [pdf]
https://doi.org/10.1109/JQE.2018.2852144
 
[2018.5] Christopoulos Τ., Tsilipakos O., Sinatkas G. and Kriezis Em. E., “Degenerate four-wave mixing in nonlinear resonators comprising two-dimensional materials: A coupled-mode theory approach,” Physical Review B, Vol. 98, 235421, (2018). [pdf]
https://doi.org/10.1103/PhysRevB.98.235421
[2017.1] Sinatkas G., Pitilakis A., Zografopoulos D., Beccherelli R., and Kriezis Em. E., “Transparent conducting oxide electro-optic modulators on silicon platforms: A comprehensive study based on the drift-diffusion semiconductor model,” Journal of Applied Physics, Vol. 121, 023109, (2017). [pdf]
https://doi.org/10.1063/1.4973896
 
[2017.2] Zografopoulos D., Kriezis Em. E., and Beccherelli R., “Design of Switchable Guided-Mode Resonant Filters in Zenithal-Bistable Liquid-Crystal Gratings,” IEEE Photonics Technology Letters, Vol. 29, No. 16, pp. 1367-1370, (2017). [pdf]
https://doi.org/10.1109/LPT.2017.2723049
 
[2017.3] Christopoulos Τ., Tsilipakos O., and Kriezis Em. E., “Low-Power Bistability in Graphene-Comprising 3D Photonic Resonant Circuits,” Journal of Applied Physics, Vol. 122, 233101, (2017). [pdf]
https://doi.org/10.1063/1.5005610
[2016.1] Tsilipakos O., Christopoulos T., and Kriezis Em. E., “Long-Range Hybrid Plasmonic Disk Resonators for mW Bistability and Self-Pulsation,” IEEE/OSA Journal of Lightwave Technology, Vol. 34, No. 4, pp. 1333 – 1343, (2016). [pdf]
https://doi.org/10.1109/JLT.2015.2511447
 
[2016.2] Christopoulos T., Sinatkas G., Tsilipakos O. and Kriezis Em. E., “Bistable action with hybrid plasmonic Bragg-grating resonators,” Optical and Quantum Electronics, Vol. 48, Art. No. 128, pp. 1-17, (2016). [pdf]
https://doi.org/10.1007/s11082-016-0377-5
 
[2016.3] Pitilakis A., Chatzidimitriou D., and Kriezis Em. E., “Theoretical and numerical modeling of linear and nonlinear propagation in graphene waveguides,” Optical and Quantum Electronics, Vol. 48, Art. No. 243, pp. 1-22, (2016).[pdf]
https://doi.org/10.1007/s11082-016-0510-5
 
[2016.4] Zografopoulos D., Isic G., Kriezis Em. E. and Beccherelli R., “A switchable circular polarizer based on zenithal bistable liquid crystal gratings,” Journal of Physics D: Applied Physics, Vol. 49, 195104, (2016). [pdf]
https://doi.org/10.1088/0022-3727/49/19/195104
 
[2016.5] Christopoulos Τ., Tsilipakos O., Grivas N., and Kriezis Em. E., “Coupled mode theory framework for nonlinear resonators comprising graphene,” Physical Review E, Vol. 94, 062219, (2016). [pdf]
https://doi.org/10.1103/PhysRevE.94.062219
[2015.1] Chatzidimitriou D., Pitilakis A., and Kriezis Em. E., “Rigorous calculation of nonlinear parameters in graphene-comprising waveguides,” Journal of Applied Physics, Vol. 118, 023105, (2015).
https://doi.org/10.1063/1.4926501
 
[2015.2] Zografopoulos D. C., Prokopidis K. P., Tofani S., Chojnowska O., Dabrowski R. D., Kriezis Em. E., and Beccherelli R, “An ADE-FDTD Formulation for the Study of Liquid-Crystal Components in the Terahertz Spectrum,” Molecular Crystals and Liquid Crystals, Vol. 619, 49-60, (2015).
https://doi.org/10.1080/15421406.2015.1087282
[2014.1] Pitilakis A., Tsilipakos O., and Kriezis Em. E., “Optimizing Silicon-Plasmonic Waveguides for χ(3) Nonlinear Applications,” Applied Physics A, Vol. 115, No. 2, pp. 475-479, (2014).
https://doi.org/10.1007/s00339-013-8055-y
 
[2014.2] Nielsen M. G., Bernardin T., Hassan K., Kriezis Em. E., and Weeber J-C, “Silicon-loaded surface plasmon polariton waveguides for nanosecond thermo-optical switching,” Optics Letters, Vol. 39, No. 8, pp. 2282-2285, (2014).
https://doi.org/10.1364/OL.39.002282
 
[2014.3] Tsilipakos O. and Kriezis Em. E., “Optical bistability with hybrid silicon-plasmonic disk resonators,” Journal of the Optical Society of America B, Vol. 31, No. 7, pp. 1698-1705, (2014).
https://doi.org/10.1364/JOSAB.31.001698
 
[2014.4] Zografopoulos D. C., Beccherelli R., and Kriezis Em. E., “Beam-splitter switches based on zenithal bistable liquid-crystal gratings,” Physical Review E, Vol. 90, 042503, (2014).
https://doi.org/10.1103/PhysRevE.90.042503
 
[2014.5] Zografopoulos D. C. and Kriezis Em. E., “Switchable beam steering with zenithal bistable liquid-crystal blazed gratings,” Optics Letters, Vol. 39, No. 20, pp. 5842-5845, (2014).
https://doi.org/10.1364/OL.39.005842