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Dr. Apostolos Zdagkas

Project
Ultrafast optics and toroidal electrodynamics

Short CV
Apostolos obtained his 4-year Degree in Physics (with honours) with emphasis in Solid State Physics from the National and Kapodistrian University of Athens, Greece in 2013. In 2015, he received his master’s degree in Materials Physics, at the same Institution, where he performed theoretical and computational studies on the spontaneous Brillouin scattering by spherical particles. Apostolos joined the Optoelectronics Research Centre as a PhD candidate in January 2017 for the study and generation of ultrashort space-time coupled toroidal light pulses. In June 2020, he started working as a research fellow at the same institution in the topics of ultrafast optics and toroidal electrodynamics.

Articles

  1. Measures of space-time nonseparability of electromagnetic pulses
    Y. Shen, A. Zdagkas, N. Papasimakis, and N. I. Zheludev
    Phys. Rev. Research 3, 013236 (2021) doi: 10.1103/PhysRevResearch.3.013236 - pdf
  2. Space-time nonseparable pulses: Constructing isodiffracting donut pulses from plane waves and single-cycle pulses
    A. Zdagkas, N. Papasimakis, V. Savinov, and N. I. Zheludev
    Phys. Rev. A 102, 063512 (2020) doi: 10.1103/PhysRevA.102.063512 - pdf
  3. Singularities in the flying electromagnetic doughnuts
    A. Zdagkas, N. Papasimakis, V. Savinov, M. R. Dennis and N. I. Zheludev
    Nanophotonics 8 (8), 1379-1385 (2019) doi: 10.1515/nanoph-2019-0101 - pdf

Conference Contributions

  1. Excitation and Detection of Toroidal and Anapole Modes
    N. Papasimakis, R. Kumar, A. Zdagkas, N. I. Zheludev
    ICEAA-IEEE APWC-USNC URSI RSM 2021, Honolulu, Hawaii, USA, August 9-13, 2021
  2. Supertoroidal Skyrmionic Light Pulses
    Y. Shen, A. Zdagkas, N. Papasimakis, and N. I. Zheludev
    ICEAA-IEEE APWC-USNC URSI RSM 2021, Honolulu, Hawaii, USA, August 9-13, 2021
  3. (invited) Classically “entangled” toroidal pulses
    N. Papasimakis, Y. Shen, A. Zdagkas, S. Pidishety and N. I. Zheludev
    SPIE Optics & Photonics 2021, Virtual Conference, 1 - 5 Aug 2021
  4. Supertoroidal Skyrmionic Light Pulses
    Y. Shen, Y. Hou, A. Zdagkas, N. Papasimakis and N. I. Zheludev
    CLEO/Europe-EQEC 2021 Virtual Meeting, 21 - 25 June 2021
  5. Skyrmionic Supertoroidal Light Pulses
    Y. Shen, Y. Hou, A. Zdagkas, N. Papasimakis, and N. I. Zheludev
    CLEO 2021 Virtual Conference, 9 - 14 May 2021
  6. (Poster) State Tomography of Space-Time “Entangled” Ultrafast Optical Pulses
    Y. Shen, A. Zdagkas, S. Pidishety, N. Papasimakis, and N. I. Zheludev
    CLEO 2021 Virtual Conference, 9 - 14 May 2021
  7. Observation of Toroidal Light Pulses
    A. Zdagkas, Y. Shen(1), S. Pidishety, C. McDonnell, J. Deng, G. Li, N. Papasimakis T. Ellenbogen and N. I. Zheludev
    CLEO 2021 Virtual Conference, 9 - 14 May 2021
  8. Space-Time Non-Separability of Complex Electromagnetic Fields Generated by Metasurfaces
    Y. Shen, A. Zdagkas, N. Papasimakis and N. I. Zheludev
    Metamaterials 2020 (Virtual Conference), 28 Sept – 01 Oct 2020
  9. Quantum-analogous measures for space-time non-separable light
    Y. Shen, A. Zdagkas, N. Papasimakis and N. I. Zheludev
    Photon 2020 (virtual conference), 1-4 Sep 2020
  10. (invited) Metamaterials and topological non-separable light pulses
    N. Papasimakis, A. Zdagkas, Y. Hou, O. Buchnev, and N. I. Zheludev
    SPIE Optics & Photonics 2020, Digital Forum, 23 - 27 Aug 2020
  11. Generation of Topological Space-Time Non-Separable Light Pulses
    A. Zdagkas, Y. Hou, V. Savinov, H. Zhang, O. Buchnev, N.Papasimakis and N. I. Zheludev
    CLEO 2020 Virtual Conference, 11-15 May 2020
  12. Metamaterials for Generating Space-Time Coupled Few-Cycle Pulses
    A. Zdagkas, H. Zhang, T. Pu, V. Savinov, N. Papasimakis and N. I. Zheludev
    Metamaterials'2019, Rome, Italy, 16 - 21 Sep 2019
  13. (invited) Anapoles and flying doughnuts
    N. Papasimakis, V. Savinov, A. Zdagkas, and N. I. Zheludev
    ICEAA 2019, Granada, Spain, 9 - 13 Sep 2019
  14. (poster) A topologically robust formation of broadband vortices propagating at the speed of light
    A. Zdagkas, V. Savinov, N. Papasimakis, and N. I. Zheludev
    CLEO Europe - EQEC 2019, Munich, Germany 23 - 27 Jun 2019
  15. Generation of electromagnetic doughnut pulses with a singular metamaterial converter
    A. Zdagkas, N. Papasimakis, V. Nalla, H. Zhang, O. Buchnev, and N. I. Zheludev
    Nanometa 2019, Seefeld, Austria, 3 - 6 Jan 2019
  16. Launching electromagnetic donuts: Non-transverse electromagnetic pulses
    A. Zdagkas, P. Moitra, O. Buchnev, N. Papasimakis, and N. I. Zheludev
    CLEO 2018, San Jose, CA, USA, 13-18 May 2018