Dimitrios C. Tzarouchis

Journal Publications

Submitted

[-] M. Koutsoupidou, A. Paraskevopoulos, D. Rompolas, K. Dovelos, I. Sotiriou, T. Zervos, D. C. Tzarouchis, A. Alexandridis, E. Kallos, and P. Kosmas, “Development and testing of antennas made of optically transparent conductive films,” submitted Sept 2024,

Published

[24] D. C. Tzarouchis*, B. Edwards*, and Nader Engheta "Programmable wave-based analog computing machine: a metastructure that designs metastructures", *equal contribution, in Nat Commun 16, 908 (2025). https://doi.org/10.1038/s41467-025-56019-1- ArXiv preprint

[23] M. Koutsoupidou*, D. C. Tzarouchis*, D. Rompolas, I. Sotiriou, G. Palikaras, and P. Kosmas, “Wearable Pad for Enhancing EM Coupling with Biological Tissues,” *equal contribution, in IEEE Transactions on Antennas and Propagation (2024), doi: 10.1109/TAP.2024.3492504, ArXiv preprint: https://doi.org/10.48550/arXiv.2404.10313 (*equally contributing authors)

[22] D. C. Tzarouchis∗, M. Koutsoupidou∗, I. Sotiriou, K. Dovelos, D. Rompolas, and P. Kosmas, “Electromagnetic metamaterials for biomedical applications: short review and trends,” EPJ Appl. Metamat., 11 (2024) 7, DOI: https://doi.org/10.1051/epjam/2024006, (*authors with equal contribution.) Invited Review.

[21] J. Hu, D. Mengu, D. C. Tzarouchis, B. Edwards, N. Engheta, and Aydogan Ozcan, “Diffractive Optical Computing in Free Space,” Nat. Comms. 15, 1525 (2024, 2). https://doi.org/10.1038/s41467-024-45982-w, Invited Review.

[20] Jazi, S., Faniayeu, I., Cichelero, R., D. C. Tzarouchis, Asgari, M., Dmitriev, A., Fan, S. & Asadchy, V., "Optical Tellegen metamaterial with spontaneous magnetization." Nat. Comms. 15, 1293 (2024, 2), https://www.nature.com/articles/s41467-024-45225-y - Paper Featured in 12 news outlets

[19] M. Pascale, S. A. Mann, D. C. Tzarouchis, G. Miano, A. Alù, and C. Forestiere "Lower Bounds to Quality Factor of Small Radiators through Quasistatic Scattering Modes", IEEE Transactions On Antennas And Propagation. 71, 4350-4361 (2023) - ArXiv preprint

[18] V. Nikkhah*, D. C. Tzarouchis*, A. Hoorfar, and Nader Engheta "Inverse-designed Metastructures together with Reconfigurable Couplers to Compute Forward Scattering", ACS Photonics, Sep. 2022, doi: 10.1021/acsphotonics.2c00373, *equal contribution - ArXiv preprint

[17] D. C. Tzarouchis, M. Mencagli, B. Edwards, and Nader Engheta "Mathematical Operations and Equation Solving with Reconfigurable Metadevices", Light Sci. Appl., vol. 11, no. 1, p. 263, 2022, doi: 10.1038/s41377-022-00950-1.- ArXiv preprint

[16] 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. Alarcon, S. Ioannidis, A. Pitsillides., I. F. Akyildiz, N. V. Kantartzis, E. N. Economou, C. M. Soukoulis, S. Tretyakov, and M. Kafesaki, “Towards Intelligent Metasurfaces: The Progress from Globally-Tunable Metasurfaces with and Embedded Network of Nanocontrollers,”, Adv. Opt. Mat., June 2020

[15] A. Sihvola, B. Kong, P. Ylä-Oijala, D. C. Tzarouchis, and H. Wallén, “Scattering, Extinction, and Albedo of Impedance-Boundary Objects,” Rad. Sci. Lett., vol. 1, 2020.

[14] I. Sekulic, D. C. Tzarouchis, P. Ylä-Oijala, E. Ubeda, and J. M. Rius, “Enhanced discretization of surface integral equations for resonant scattering analysis of sharp-edged plasmonic nanoparticles,” Phys. Rev. B, vol. 99, p. 165417, Apr 2019.

[13] D. Tzarouchis, P. Ylä-Oijala, and A. Sihvola, “Subwavelength Hexahedral Plasmonic Scatterers: History, Symmetries, and Resonant Characteristics (Invited),” Photonics, vol. 6, p. 18, Feb 2019.

[12] A. Sihvola, D. C. Tzarouchis, P. Ylä-Oijala, H. Wallén, and B. Kong, “Resonances in small scatterers with impedance boundary,” Phys. Rev. B, vol. 98, p. 235417, Dec 2018.

[11] D. C. Tzarouchis and A. Sihvola, “Polarizability of Radially Inhomogeneous Subwavelength Spheres,” Phys. Rev. Appl., vol. 10, p. 54012, Nov 2018.

[10] P. Ylä-Oijala, H. Wallén, D. C. Tzarouchis, and A. Sihvola, “Surface Integral Equation Based Characteristic Mode Formulation for Penetrable Bodies (proposed for the IEEE TAP best paper of 2018),” IEEE Trans. Antennas Propag., vol. 66, pp. 3532–3539, Jul 2018.

[9] D. Tzarouchis and A. Sihvola, “Light Scattering by a Dielectric Sphere: Perspectives on the Mie Resonances (Invited Review, Feature Paper),” Appl. Sci., vol. 8, no. 2, 2018.

[8] D. C. Tzarouchis and A. Sihvola, “General Scattering Characteristics of Resonant Core–Shell Spheres,” IEEE Trans. Antennas Propag., vol. 66, pp. 323–330, Jan 2018.

[7] D. C. Tzarouchis, P. Ylä-Oijala, and A. Sihvola, “Study of Plasmonic Resonances on Platonic Solids,” Radio Sci., vol. 52, pp. 1450–1457, Dec 2017.

[6] J. Lappalainen, P. Ylä-Oijala, D. C. Tzarouchis, and A. Sihvola, “Resonances of Characteristic Modes for Perfectly Conducting Objects,” IEEE Trans. Antennas Propag., vol. 65, pp. 5332–5339, Oct 2017.

[5] P. Ylä-Oijala, D. C. Tzarouchis, E. Raninen, and A. Sihvola, “Characteristic Mode Analysis of Plasmonic Nanoantennas,” IEEE Trans. Antennas Propag., vol. 65, pp. 2165–2172, May 2017.

[4] D. C. Tzarouchis, P. Ylä-Oijala, and A. Sihvola, “Resonant Scattering Characteristics of Homogeneous Dielectric Sphere,” IEEE Trans. Antennas Propag., vol. 65, pp. 3184–3191, Feb 2017.

[3] D. C. Tzarouchis, P. Ylä-Oijala, T. Ala-Nissila, and A. Sihvola, “Plasmonic properties and energy flow in rounded hexahedral and octahedral nanoparticles,” J. Opt. Soc. Am. B, vol. 33, p. 2626, Dec 2016.

[2] D. C. Tzarouchis, P. Ylä-Oijala, and A. Sihvola, “Unveiling the scattering behavior of small spheres,” Phys. Rev. B, vol. 94, p. 140301(R), Oct 2016.CONFERENCES

[1] D. C. Tzarouchis, P. Ylä-Oijala, T. Ala-Nissila, and A. Sihvola, “Shape effects on surface plasmons in spherical, cubic, and rod-shaped silver nanoparticles,” Appl. Phys. A, vol. 122, p. 298, Mar 2016.

Conferences

[37] D. C. Tzarouchis and N. Engheta, "Solving differential equations with reconfigurable Mach–Zehnder interferometer photonic networks," 2020 XXXIIIrd General Assembly and Scientific Symposium of the International Union of Radio Science, Rome, Italy, 2020, pp. 1-3, doi: 10.23919/URSIGASS49373.2020.9232360.

[36] D. C. Tzarouchis and N. Engheta, "Reconfigurable Photonic Structures for Solving Linear Differential Equations," 2020 Conference on Lasers and Electro-Optics (CLEO), San Jose, CA, USA, 2020, pp. 1-2.

[35] D. C. Tzarouchis, H. Wallén, P. Ylä-Oijala and A. Sihvola, “Can a dielectric sphere emulate the behavior of a surface impedance sphere?,” (Invited) 2019 URSI International Symposium on Electromagnetic Theory (EMTS), San Diego, CA, USA, 2019, pp. 1-4.

[34] A. Sihvola and D. C. Tzarouchis, “Maximizing absorption for dielectric scatterers,” 2019 URSI Asia-Pacific Radio Science Conference (AP-RASC), New Delhi, India, 2019, pp. 1-3.

[33] P. Ylä-Oijala, H. Wallén, D. C. Tzarouchis, S. Järvenpää and A. Sihvola, “Generalized Theory of Characteristic Modes for non-PEC Media,” (Invited) 2019 13th European Conference on Antennas and Propagation (EuCAP), Krakow, Poland, 2019, pp. 1-4.

[32] D. C. Tzarouchis, N. Engheta, and A. Sihvola, “Resonant Graded-Index Plasmonic Nanoscatterers: Enabling Unusual Light-Matter Interactions,” in Metamaterials 2018, 27 August- 1 September 2018, Espoo, Finland, pp. 404–406, 2018.

[31] A. Sihvola, D. C. Tzarouchis, P. Ylä-Oijala, H. Wallén, and B. Kong, “Resonances in Impedance-Boundary Scatterers,” in Metamaterials 2018, 27 August- 1 September 2018, Espoo, Finland, pp. 361–363, 2018.

[30] D. C. Tzarouchis, P. Ylä-Oijala, and A. Sihvola, “Plasmonic Eigenmodes on Regular Nano-Polyhedra: Case Study of Electrostatic and Dynamic Resonant Effects on Rounded Superquadric Solids,” in Metamaterials 2018, 27 August- 1 September 2018, Espoo, Finland, pp. 401–403, 2018.

[29] A. Sihvola and D. C. Tzarouchis, “Homogenization of generalized core–shell ellipsoidal scatterers.,” in Progress In Electromagnetics Research Symposium (PIERS 2018), 1-4 August 2018, Toyama, Japan, p. 676, 2018.

[28] D. C. Tzarouchis and A. Sihvola, “Polarizability and Light Scattering by Sub- wavelength Graded-Index Plasmonic Spheres (Invited),” in 2018 IEEE AP-S Symposium on Antennas and Propagation and URSI CNC/USNC Joint Meeting (AP-S/URSI 2018) July 8 - 13, 2018, Boston, Massachusetts, U.S.A., p. 871, IEEE, 2018.

[27] P. Ylä-Oijala, D. C. Tzarouchis, H. Wallén, and A. Sihvola, “Spurious-Free Surface Integral Equation Characteristic Mode Formulation for Dielectric Bodies,” in 2018 IEEE AP-S Symposium on Antennas and Propagation and URSI CNC/USNC Joint Meeting (AP-S/URSI 2018) July 8 - 13, 2018, Boston, Massachusetts, U.S.A., p. 2453, IEEE, 2018.

[26] D. C. Tzarouchis and A. Sihvola, “Analytical Study of Light Scattering Characteristics of Radially Inhomogeneous Subwavelength Spheres (URSI Best Paper Award (2nd place)),” in 2nd Atlandic Radio Science Conference (URSI- ATRASC 2018), May 28- June 1, 2018, Gran Canaria, Spain, 2018.

[25] H. Wallén, D. C. Tzarouchis, P. Ylä-Oijala, and A. Sihvola, “ Surface Integral Equation Formulation for Characteristic Modes of Lossy Dielectric Objects (Invited),” in 2nd Atlandic Radio Science Conference (URSI-ATRASC 2018), May 28- June 1, 2018, Gran Canaria, Spain, 2018.

[24] H. Wallén, D. C. Tzarouchis, A. Sihvola, and P. Ylä-Oijala, “ Mie Scattering and Characteristic Modes of Lossy Dielectric Objects (Invited),” in 2nd Atlandic Radio Science Conference (URSI-ATRASC 2018), May 28- June 1, 2018, Gran Canaria, Spain, 2018.

[23] A. Sihvola, P. Ylä-Oijala, H. Wallén, and D. C. Tzarouchis, “Properties of hybridized modes in core-shell scatterers,” in 2nd Atlandic Radio Science Conference (URSI-ATRASC 2018), May 28- June 1, 2018, Gran Canaria, Spain, 2018.

[22] D. C. Tzarouchis and A. Sihvola, “ Resonant Characteristics of Subwavelength Spherical Scatterers with Radial Inhomogeneities,” in APS March meet- ing 2018, March 5-9, 2018, Los Angeles, California, U.S.A., p. Bulletin of the American Physical Society, American Physical Society, 2018.

[21] A. Sihvola and D. C. Tzarouchis, “How to increase scattering by decreasing di- electric mass?,” in Progress In Electromagnetics Research Symposium (PIERS 2017), 19-22 November 2017, Singapore, p. 307., 2017.

[20] D. C. Tzarouchis and A. Sihvola, “General Scattering Characteristics of Resonant Core-Shell Spheres,” in URSI 2017 General Assembly & Scientific Symposium, August 19-26th, 2017, Montreal, Canada, 2017.

[19] J. Lappalainen, P. Ylä-Oijala, D. C. Tzarouchis, and A. Sihvola, “On the Resonances of Characteristic Modes (Invited),” in URSI 2017 General Assembly & Scientific Symposium, August 19-26th, 2017, Montreal, Canada, 2017.

[18] D. C. Tzarouchis, P. Ylä-Oijala, and A. Sihvola, “Resonant Bright and Dark Modes on Plasmonic Nanoscatterers: Characteristic Modes for Plasmonic Solids,” in URSI 2017 General Assembly & Scientific Symposium, August 19- 26th, 2017, Montreal, Canada, p. 0, 2017.

[17] A. Sihvola and D. C. Tzarouchis, “Spectral Behavior of Radially Anisotropic Plasmonic Nanospheres (Invited),” in The 38th PIERS, 22-25 May, 2017, St. Petersburg, Russia, 2017.

[16] P. Ylä-Oijala, D. C. Tzarouchis, and A. Sihvola, “Analysis and Triggering of Dark Modes in Plasmonic Nanostructures with Surface Integral Equations and Theory of Characteristic Modes,” in The 38th PIERS, 22-25 May, 2017, St. Pe- tersburg, Russia, 2017.

[15] D. C. Tzarouchis, P. Ylä-Oijala, and A. Sihvola, “Light Scattering Characteristics of a Small Sphere: Resonant and Directive Scattering Conditions (Best Paper Award (2nd place)),” in The 38th PIERS, 22-25 May, 2017, St. Peters- burg, Russia, p. 8, 2017.

[14] D.C. Tzarouchis and A.Sihvola, “Identifying trends of an International Master’s level Electromagnetic Course: Assessment of an in Class Conceptual Survey and Homework Assignments,” (Teaching research) in URSI Commission B International Symposium on Electromagnetic Theory (EMTS 2016), 14-18 August 2016, Espoo, Finland, p. 4, 2016.

[13] J. Holopainen and D. C. Tzarouchis, “Teaching experiment in Aalto University: progressive inquiry, reverse engineering, and company collaboration in a hands-on antenna course,” (Teaching research) in URSI Commission B Inter- national Symposium on Electromagnetic Theory (EMTS 2016), 14-18 August 2016, Espoo, Finland, p. 4, 2016.

[12] D. C. Tzarouchis, P. Ylä-Oijala, and A. Sihvola, “Plasmonic Modes on Rounded Hexahedral and Octahedral Nano-Antennas,” in URSI Commission B Inter- national Symposium on Electromagnetic Theory (EMTS 2016), 14-18 August 2016, Espoo, Finland, 2016.

[11] P. Ylä-Oijala, E. Raninen, D. C. Tzarouchis, and A. Sihvola, “Characteristic mode-surface integral equation analysis of plasmonic nanoparticles,” in URSI Commission B International Symposium on Electromagnetic Theory (EMTS 2016), 14-18 August 2016, Espoo, Finland, 2016.

[10] A. Sihvola, D. C. Tzarouchis, and P. Ylä-Oijala, “Multipolar behavior of hollow plasmonic nanospheres: obvious or mysterious?,” in META 16, the 6th International Conference on Metamaterials, Photonic Crystals and Plasmonics, 25–28 July, 2015, Malaga, Spain, 2016.

[9] M. Leino, H. Partanen, N. Lindvall, R. Luomaniemi, T. Kangas, D. C. Tzarouchis, J. Holopainen, and V. Viikari, “Wideband Monopole Antenna for RF Power Scavenger (Best Student Design - 2nd place),” in 2016 IEEE Inter- national Symposium on Antennas and Propagation/USNC-URSI National Radio Science meeting, June 26 - July 1, 2016, Fajardo, Puerto Rico, 2016.

[8] D. C. Tzarouchis and A. Sihvola, “Plasmonics to Dielectrics: a Resonant Sphere Perspective,” in 2016 IEEE International Symposium on Antennas and Propagation/USNC-URSI National Radio Science meeting, June 26 - July 1, 2016, Fajardo, Puerto Rico, 2016.

[7] D. C. Tzarouchis, T. Manninen, P. Ylä-Oijala, and A. Sihvola, “Full Electrodynamic Resonant Modes on Subwavelength Spheroidal Nano-Antennas,” in 2016 IEEE International Symposium on Antennas and Propagation/USNC-URSI National Radio Science meeting, June 26 - July 1, 2016, Fajardo, Puerto Rico, 2016.

[6] A. Sihvola, D. C. Tzarouchis, and P. Ylä-Oijala, “Spectral Properties of Plasmonic Nanoantennas: Comparison of Quasistatic and Full-Wave Analyses,” in The 10th European Conference on Antennas and Propagation (EuCAP 2016), Davos, Switzerland, Apr 2016.

[5] D. C. Tzarouchis, P. Ylä-Oijala, and A. Sihvola, “Study of plasmonic oscillations in composite structures through surface integral equation method,” in META 15, the 6th International Conference on Metamaterials, Photonic Crystals and Plasmonics City College of New York, August 4–7, 2015, New York City, NY, USA, 2015.

[4] D. C. Tzarouchis, P. Ylä-Oijala, T. Ala-Nissilä, and A. Sihvola, “Characterisation of the electrodynamic response of plasmonic nano-particles.,” in META 15, the 6th International Conference on Metamaterials, Photonic Crystals and Plasmonics City College of New York, August 4–7, 2015, New York City, NY, USA, 2015.

[3] A. Sihvola, P. Ylä-Oijala, D. C. Tzarouchis, O. Vartia, A. Seppälä, and T. Ala- Nissilä, “Redshifting silver glare: nanoparticle morphology and plasmonic reso- nances,” in The 36th PIERS, 6-9 July, 2015, Prague, Czech Republic, European Union, 2015.

[2] T. D. Karamanos, D. C. Tzarouchis, and N. V. Kantartzis, “Design of a metamaterial circular patch antenna loaded with an epsilon-negative core,” (Best paper award finalist) The 8th European Conference on Antennas and Propagation (EuCAP 2014), The Hague, 2014, pp. 2388-2392.

[1] D. C. Tzarouchis, V. D. Vlachodimitropoulos, S. A. Amanatiadis and N. V. Kantartzis, “Rigorous modelling and design of microtuned resonator filters and car- bon nanointerconnects via a nonstandard LOD-FDTD technique,” 2013 38th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW- THz), Mainz, 2013, pp. 1-2.

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