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Dr. Nikitas Papasimakis

Project
Planar Metamaterials

Short CV
Nikitas Papasimakis completed his undergraduate studies in the Physics Department of the Athens National University, Greece in 2005 and his PhD studies in the Optoelectronics Research Centre at the University of Southampton in 2009. In the same year, he was awarded a PhD Plus fellowship to continue his research as a postdoctoral fellow and in 2010 he was appointed Leverhulme Advanced Research fellow at the same institution.

Articles

  1. Supertoroidal light pulses as electromagnetic skyrmions propagating in free space
    Y. Shen, Y. Hou, N. Papasimakis and N. I. Zheludev
    Nat. Comm. 12, 5891 (2021) doi: 10.1038/s41467-021-26037-w
  2. Decay rate enhancement of diamond NV-centers on diamond thin films
    H. Li, J. Y. Ou, V. A. Fedotov and N. Papasimakis
    Opt. Express, (2021) doi: 10.1364/OE.425706 - pdf
  3. Engineering the collapse of lifetime distribution of nitrogen-vacancy centers in nanodiamonds
    H. Li, J. Y. Ou, B. Gholipour, J. K. So, D. Piccinotti, V. A. Fedotov and N. Papasimakis
    Appl. Phys. Lett. 118, 261103 (2021) doi: 10.1063/5.0054780
  4. Optical Magnetic Response Without Metamaterials
    J. Li, N. Papasimakis, K. F. MacDonald, and N. I. Zheludev
    APL Photonics 6, 071303 (2021) doi: 10.1063/5.0054752 - pdf
  5. 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
  6. 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
  7. High-precision THz-TDS via self-referenced transmission echo method
    J. Gorecki, N. Klokkou, L. Piper, S. Mailis, N. Papasimakis, and V. Apostolopoulos
    Appl. Opt. 59 (22), 6744-6750 (2020) doi: 10.1364/AO.391103
  8. Optically Reconfigurable Graphene/Metal Metasurface on Fe:LiNbO3 for Adaptive THz Optics
    J. Gorecki, L. Piper, A. Noual, S. Mailis, N. Papasimakis, and V. Apostolopoulos
    Appl. Nano Mater. 9 (3), 9494−9501 (2020) doi: 10.1021/acsanm.0c02243 - pdf
  9. Unlabeled Far-Field Deeply Subwavelength Topological Microscopy (DSTM)
    T. Pu, J. Y. Ou V. Savinov G. Yuan N. Papasimakis and N. I. Zheludev
    Adv. Sci. 8 (1), 2002886 (2020) doi: 10.1002/advs.202002886 - pdf
  10. Deeply Subwavelength Optical Imaging
    T. Pu, J. Y. Ou, N. Papasimakis, N. I. Zheludev
    arXiv:2001.01068 (2020) - arXiv
  11. Label-free deeply subwavelength optical microscopy
    T. Pu, J. Y. Ou, N. Papasimakis and N. I. Zheludev
    Appl. Phys. Lett. 116 131105 (2020) doi: 10.1063/5.0003330 - pdf
  12. 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
  13. Roadmap on metasurfaces
    O. Quevedo-Teruel1, H. Chen, A. Díaz-Rubio, G. Gok, A. Grbic, G. Minatti, E. Martini, S. Maci, G. V. Eleftheriades, M. Chen, N. I. Zheludev, N. Papasimakis, S. Choudhury, Z. A. Kudyshev, S. Saha, H. Reddy, A. Boltasseva, V. M. Shalaev, A. V. Kildishev, D. Sievenpiper, C. Caloz, A. Alù , Q. He, L. Zhou, G. Valerio, E. Rajo-Iglesias, Z. Sipus, F. Mesa, R. Rodríguez-Berral, F. Medina, V. Asadchy, S. Tretyakov and C. Craeye
    J. Opt. 21, 073002 (2019) doi: 10.1088/2040-8986/ab161d - pdf
  14. Optical anapoles
    V. Savinov, N. Papasimakis, D.P. Tsai & N.I. Zheludev
    Comms. phys. 2, 69 (2019) doi: 10.1038/s42005-019-0167-z
  15. Cooperative field localization and excitation eigenmodes in disordered metamaterials
    N. Papasimakis, S. D. Jenkins, S. Savo, N. I. Zheludev, and J. Ruostekoski
    Phys. Rev. B 99, 014210 (2019) doi: 10.1103/PhysRevB.99.014210 - pdf
  16. Strong interactions and subradiance in disordered metamaterials
    S. D. Jenkins, N. Papasimakis, S. Savo, N. I. Zheludev, and J. Ruostekoski
    Phys. Rev. B 98, 245136 (2019) doi: 10.1103/PhysRevB.98.245136 - pdf
  17. Optical gating of graphene on photoconductive Fe:LiNbO3
    J. Gorecki, V. Apostolopoulos, J. Y. Ou, S. Mailis, and N. Papasimakis
    ACS Nano 12, 5940−5945 (2018) doi: 10.1021/acsnano.8b02161 - free access
  18. Pulse generation scheme for flying electromagnetic doughnuts
    N. Papasimakis, T. Raybould, V. A. Fedotov, D. P. Tsai, I. Youngs, and N. I. Zheludev
    Phys. Rev. B 97 201409(R) (2018) doi: 10.1103/PhysRevB.97.201409 - pdf

    [Featured in Physics, http://physics.aps.org]
  19. Magneto-optical response in bimetallic metamaterials
    E. Atmatzakis, N. Papasimakis, V. A. Fedotov, G. Vienne and N. I. Zheludev
    Nanophotonics 7(1), 199–206 (2018) doi: 10.1515/nanoph-2016-0162 - pdf
  20. Exciting dynamic anapoles with electromagnetic doughnut pulses
    T. Raybould, V. A. Fedotov, N. Papasimakis, I. Youngs, and N. I. Zheludev
    Appl. Phys. Lett. 111, 081104 (2017) doi: 10.1063/1.4999368 - pdf

    [Apl. Phys. Lett. cover page, pdf]
  21. Many-Body subradiant excitations in metamaterial arrays: experiment and theory
    S. D. Jenkins, J. Ruostekoski, N. Papasimakis, S. Savo, and N. I. Zheludev
    Phys. Rev. Lett. 119, 053901 (2017) doi: 10.1103/PhysRevLett.119.053901 - pdf
  22. Spontaneous natural optical activity in disordered media
    F. A. Pinheiro, V. A. Fedotov, N. Papasimakis, and N. I. Zheludev
    Phys. Rev. B 95, 220201(R) (2017) doi: 10.1103/PhysRevB.95.220201 - pdf
  23. Plasmonic absorption properties of bimetallic metamaterials
    E. Atmatzakis, N. Papasimakis, and N. I. Zheludev
    Microelectron. Eng. 172, 30-34 (2017) doi: 10.1016/j.mee.2017.02.009
  24. Self-Affine graphene metasurfaces for tunable broadband absorption
    P. C. Wu, N. Papasimakis, and D. P. Tsai
    Phys. Rev. Appl. 6, 044019 (2016) doi: 10.1103/PhysRevApplied.6.044019 - pdf
  25. Toroidal circular dichroism
    T. A. Raybould, V. A. Fedotov, N. Papasimakis, I. Kuprov, I. J. Youngs, W. T. Chen, D. P. Tsai, and N. I. Zheludev
    Phys. Rev. B 94(3), 035119 (2016) doi: 10.1103/PhysRevB.94.035119 - pdf
  26. Electromagnetic toroidal excitations in matter and free space
    N. Papasimakis, V. Fedotov, V. Savinov, T. A. Raybould, and N. I. Zheludev
    Nat. Mater. 15, 263 (2016) doi: 10.1038/NMAT4563 - free access
  27. Focused electromagnetic doughnut pulses and their interaction with interfaces and nanostructures
    T. A. Raybould, V. A. Fedotov, N. Papasimakis, I. J. Youngs, and N. I. Zheludev
    Opt. Express 24(4), 3150 (2016) doi: 10.1364/OE.24.003150 - pdf
  28. Wavevector selective metasurfaces and tunnel vision filters
    V. A. Fedotov, J. Wallauer, M. Walther, M. Perino, N. Papasimakis, N. I. Zheludev
    Light Sci. Appl. 4, e306 (2015) doi: 10.1038/lsa.2015.79 - pdf
  29. Strain engineering in graphene by laser irradiation
    N. Papasimakis, S. Mailis, C. C. Huang, F. Al-Saab, D. W. Hewak, Z. Luo, Z. X. Shen
    Appl. Phys. Lett. 106, 061904 (2015) doi: 10.1063/1.4907776 - pdf
  30. The magnetic response of graphene split-ring metamaterials
    N. Papasimakis, S. Thongrattanasiri, N. I Zheludev and F. J. Garcia de Abajo
    Light Sci. Appl. 2, e78 (2013) doi: 10.1038/lsa.2013.34 - pdf
  31. Optical generation of intense ultrashort magnetic pulses at the nanoscale
    A. Tsiatmas, E. Atmatzakis, N. Papasimakis, V. Fedotov, B. Luk'yanchuk, N. I. Zheludev, and F. J. Garcia de Abajo
    New J. Phys. 15, 113035 (2013) doi: 10.1088/1367-2630/15/11/113035 - pdf
  32. Nonlinear graphene metamaterial
    A. E. Nikolaenko, N. Papasimakis, E. Atmatzakis, Z. Luo, Z. Xiang Shen, F. De Angelis, S. A. Boden, E. Di Fabrizio, N. I. Zheludev
    Appl. Phys. Lett. 100, 181109 (2012) doi: 10.1063/1.4711044 - pdf
  33. Control of metal color using surface relief metamaterial nanostructuring
    J. Zhang, J. Y. Ou, N. Papasimakis, Y. Chen, K. F. MacDonald, and N. I. Zheludev
    SPIE Newsroom (2012) doi: 10.1117/2.1201202.004119 - pdf
  34. Localization of electromagnetic fields in disordered metamaterials
    S. Savo, N. Papasimakis, and N. I. Zheludev
    Phys. Rev. B 85, 121104(R) (2012) doi: 10.1103/PhysRevB.85.121104 - pdf
  35. THz bandwidth optical switching with carbon nanotube metamaterial
    A. E. Nikolaenko, N. Papasimakis, A. Chipouline, F. De Angelis, E. Di Fabrizio and N.I. Zheludev
    Opt. Express 20(6), 6068 (2012) doi: 10.1364/OE.20.006068 - pdf
  36. Continuous metal plasmonic frequency selective surfaces
    J. Zhang, J. Y. Ou, N. Papasimakis, Y. Chen, K. F. MacDonald, and N. I. Zheludev
    Opt. Express 19(23), 23279 (2011) doi: 10.1364/OE.19.023279 - pdf
  37. Toroidal dipolar response in a metamaterial
    T. Kaelberer, V. A. Fedotov, N. Papasimakis, D. P. Tsai, and N. I. Zheludev
    Science 330, 1510 (2010) doi: 10.1126/science.1197172
  38. Spectral collapse in ensembles of metamolecules
    V. A. Fedotov, N. Papasimakis, E. Plum, A. Bitzer, M. Walther, P. Kuo, D. P. Tsai, and N. I. Zheludev
    Phys. Rev. Lett. 104, 223901 (2010) doi: 10.1103/PhysRevLett.104.223901 - pdf
  39. Carbon nanotubes in a photonic metamaterial
    A. E. Nikolaenko, F. De Angelis, S. A. Boden, N. Papasimakis, P. Ashburn, E. Di Fabrizio, and N. I. Zheludev
    Phys. Rev. Lett. 104, 153902 (2010) doi: 10.1103/PhysRevLett.104.153902 - pdf
  40. Graphene in a photonic metamaterial
    N. Papasimakis, Z. Luo, Z. X. Shen, F. De Angelis, E. Di Fabrizio, A. E. Nikolaenko, and N. I. Zheludev
    Opt. Express 18, 8353 (2010) doi: 10.1364/OE.18.008353 - pdf
  41. Metamaterial-induced transparency
    N. Papasimakis and N. I. Zheludev
    OPN Optics & Photonics News 20 (10), 22 (2009) doi: 10.1364/OPN.20.10.000022 - pdf

    [OPN cover page, link]
  42. Gyrotropy of a metamolecule: wire on a torus
    N. Papasimakis, V. A. Fedotov, K. Marinov, and N. I. Zheludev
    Phys. Rev. Lett. 103, 093901 (2009) doi: 10.1103/PhysRevLett.103.093901 - pdf
  43. Coherent and incoherent metamaterials and order-disorder transitions
    N. Papasimakis, V. A. Fedotov, Y. H. Fu, D. P. Tsai, and N. I. Zheludev
    Phys. Rev. B 80, 041102(R) (2009) doi: 10.1103/PhysRevB.80.041102 - pdf
  44. Metamaterial with polarization and direction insensitive resonant transmission response mimicking electromagnetically induced transparency
    N. Papasimakis, Y. H. Fu, V. A. Fedotov, S. L. Prosvirnin, D. P. Tsai, and N. I. Zheludev
    Appl. Phys. Lett. 94, 211902 (2009) doi: 10.1063/1.3138868 - pdf
  45. Metamaterial analog of electromagnetically induced transparency
    N. Papasimakis, V. A. Fedotov, N. I. Zheludev, and S. L. Prosvirnin
    Phys. Rev. Lett. 101, 253903 (2008) doi: 10.1103/PhysRevLett.101.253903 - pdf
  46. Lasing spaser
    N. I. Zheludev, S. L. Prosvirnin, N. Papasimakis, and V. A. Fedotov
    Nat. Photonics 2 351-354 (2008) doi: 10.1038/nphoton.2008.82 - free access
  47. Sharp trapped-mode resonances in planar metamaterials with a broken structural symmetry
    V. A. Fedotov, M. Rose, S. L. Prosvirnin, N. Papasimakis, and N. I. Zheludev
    Phys. Rev. Lett. 99, 147401 (2007) doi: 10.1103/PhysRevLett.99.147401 - pdf
  48. Enhanced microwave transmission through quasicrystal hole arrays
    N. Papasimakis, V. A. Fedotov, A. S. Schwanecke, N. I. Zheludev, and F. J. García de Abajo
    Appl. Phys. Lett. 91, 081503 (2007) doi: 10.1063/1.2773763 - pdf

Conference Contributions

  1. (invited) Picophotonics
    C. Rendón-Barraza, E. A. Chan, J. Li, T. Liu, K. F. MacDonald, J.-Y. Ou, D. Papas, N. Papasimakis, E. Plum, T. Pu, G. Yuan, and N. I. Zheludev
    15th International Congress on Artificial Materials for Novel Wave Phenomena, Virtual Meeting, 20-26 Sept 2021
  2. Artificial intelligence enabled classification of subwavelength objects from far-field scattering
    S. Kurdiumov, J. Y. Ou, N. Papasimakis and N. I. Zheludev
    15th International Congress on Artificial Materials for Novel Wave Phenomena, Virtual Meeting, 20-26 Sept 2021
  3. Broadband toroidal excitations in dielectric particles
    R. R. Kumar, N. Papasimakis and N. I. Zheludev
    15th International Congress on Artificial Materials for Novel Wave Phenomena, Virtual Meeting, 20-26 Sept 2021
  4. 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
  5. 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
  6. (invited) Picophotonics: Visible invisible
    C. Rendón-Barraza, E. A. Chan, S. Kurdiumov, T. Liu, K. F. MacDonald, J. Y. Ou, N. Papasimakis, T. Pu, G. Yuan and N. I. Zheludev
    SPIE Optics & Photonics 2021, Virtual Conference, 1 - 5 Aug 2021
  7. (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
  8. Optical Magnetism without Metamaterials
    J. Li, N. Papasimakis, K. F. MacDonald, and N. I. Zheludev
    CLEO/Europe-EQEC 2021 Virtual Meeting, 21 - 25 June 2021
  9. 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
  10. Optical Counting of Particles Too Small to See
    E. A. Chan, C. Rendón-Barraza, G. Yuan, T. Pu, J. Y. Ou, N. Papasimakis and N. I. Zheludev
    CLEO/Europe-EQEC 2021 Virtual Meeting, 21 - 25 June 2021
  11. Deeply Subwavelength Topological Microscopy
    T. Pu, J. Y. Ou, E. Rogers, N. Papasimakis, P. J. Smith and N. I. Zheludev
    CLEO/Europe-EQEC 2021 Virtual Meeting, 21 - 25 June 2021
  12. Skyrmionic Supertoroidal Light Pulses
    Y. Shen, Y. Hou, A. Zdagkas, N. Papasimakis, and N. I. Zheludev
    CLEO 2021 Virtual Conference, 9 - 14 May 2021
  13. (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
  14. 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
  15. Deeply Subwavelength Topological Microscopy
    T. Pu, J. Y. Ou, G. Yuan, E. Rogers, N. Papasimakis, P. J. Smith and N. I. Zheludev
    CLEO 2021 Virtual Conference, 9 - 14 May 2021
  16. 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
  17. 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
  18. (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
  19. (invited) Metamaterials, deep learning and optical super-resolution
    N. I. Zheludev, T. Pu, G. Yuan, J. Y. Ou, V. Savinov, and N. Papasimakis
    SPIE Optics & Photonics 2020, Digital Forum, 23 - 27 Aug 2020
  20. Deep Subwavelength Singularity Imaging Beyond λ/100
    T. Pu, V. Savinov, G. Yuan, J. Y. Ou, N. Papasimakis, and N. I. Zheludev
    CLEO 2020 Virtual Conference, 11-15 May 2020
  21. 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
  22. Emission of Diamond NV Centers in Dielectric, Semiconducting and Plasmonic Environments
    H. Li, J. Y. Ou, V. A. Fedotov, N. Papasimakis and N. I. Zheludev
    CLEO 2020 Virtual Conference, 11-15 May 2020
  23. (plenary) Optical super-resolution beyond λ/100 through artificial intelligence
    N. I. Zheludev, T. Pu, G. Yuan, J. Y. Ou, V. Savinov and N. Papasimakis
    The 50th Winter Colloquium on the Physics of Quantum Electronics (PQE 2020), Snowbird, Utah, USA, 5-10 January 2020
  24. 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
  25. Decay rate statistics of NV centres in diamond on plasmonic and dielectric substrates
    H. Li, J. Y. Ou, N. Papasimakis, V. A. Fedotov and N. I. Zheludev
    Electron Beam Spectroscopy for Nanophotonics 2019 (EBSN 2019), Paris, France, 16-19 Sept 2019
  26. (invited) Anapoles and flying doughnuts
    N. Papasimakis, V. Savinov, A. Zdagkas, and N. I. Zheludev
    ICEAA 2019, Granada, Spain, 9 - 13 Sep 2019
  27. Lifetime distributions of NV centres in diamond on plasmonic and dielectric substrates
    H. Li, J. Y. Ou, N. Papasimakis, V. A. Fedotov and N. I. Zheludev
    Nanophotonics and Micro/Nano Optics International Conference (NANOP 2019), Munich, Germany, 4 - 6 Sept 2019
  28. (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
  29. Optical tuning of graphene electronics and plasmonics on iron doped lithium niobate
    J. Gorecki, L. Piper, V. Apostolopoulos, S. Mailis, and N. Papasimakis
    CLEO 2019, San Jose, CA, USA, 5 - 10 May 2019
  30. 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
  31. (poster) Quantum emitters in epsilon-near-zero and negative epsilon environments
    H. Li, J. K. So, B. Gholipour, D. Piccinotti, N. Papasimakis, V. F. Fedotov, W. Gao, B. Hayden, and N. I. Zheludev
    Nanometa 2019, Seefeld, Austria, 3 - 6 Jan 2019
  32. (poster) Optical gating of graphene
    J. Gorecki, V. Apostolopoulos, S. Mailis, and N. Papasimakis
    Graphene Week 2018, San Sebastian, Spain, 10 - 14 Sept 2018
  33. 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
  34. Chirality and natural optical activity in disordered media
    F. A. Pinheiro, V. A. Fedotov, and N. Papasimakis
    CLEO Europe - EQEC 2017 , Munich, Germany 25 - 29 Jun 2017
  35. Generation of electromagnetic doughnuts
    N. Papasimakis, T. A. Raybould, P. Moitra, V. A. Fedotov, I. Youngs, and N. I. Zheludev
    CLEO Europe - EQEC 2017 , Munich, Germany 25 - 29 Jun 2017
  36. (poster) Far-field natural optical activity of disordered media
    F. A. Pinheiro, V. A. Fedotov, N. Papasimakis, and N. I. Zheludev; [presenter: E. Plum]
    Nanometa 2017, Seefeld, Austria, 4 - 7 Jan 2017
  37. (poster) Generation of flying electromagnetic doughnuts via spatiotemporal conversion of transverse electromagnetic pulses
    T. Raybould, N. Papasimakis, V. A. Fedotov, I. Youngs, and N. I. Zheludev; [presenter: V. Savinov]
    Nanometa 2017, Seefeld, Austria, 4 - 7 Jan 2017
  38. (invited) Electromagnetic doughnuts: localised and propagating toroidal excitations enabled by metamaterials
    T. A. Raybould, V. Savinov, N. Papasimakis, V. A. Fedotov, and N. I. Zheludev
    Metamaterials 2016, Crete, Greece, 17 - 22 Sep 2016
  39. (invited) Cooperative effects in periodic and disordered metamaterial lattices
    N. Papasimakis, S. Jenkins, J. Ruostekoski, V. A. Fedotov, F. A. Pinheiro, and N. I. Zheludev
    FNM 2016, Tbilisi, Georgia, 5 Sep 2016
  40. (invited) Metamaterials as a platform to study localised and propagating toroidal excitations
    T. A. Raybould, V. Savinov, N. Papasimakis, V. A. Fedotov, and N. I. Zheludev
    CIMTEC 2016, Perugi, Italy, 5 - 9 June 2016
  41. (invited) Collective effects in ordered and disordered metasurfaces; applications in light localization and imaging
    N. Papasimakis, S. Jenkins, S. Savo, J. Ruostekoski, V. A. Fedotov, N. I. Zheludev
    Exeter Microwave Metamaterials Meeting (XM3), Exeter, UK, 7 - 8 Dec 2015
  42. (poster) Toroidal excitations in space and matter
    T. A. Raybould, V. A. Fedotov, N. Papasimakis, I. Youngs, and N. I. Zheludev
    Defence & Security Doctoral Symposium, Cranfield, UK, 25 - 26 Nov 2015
  43. Chiral phenomena in toroidal metamaterials
    T. A. Raybould, V. A. Fedotov, N. Papasimakis, I. Kuprov, I. Youngs, W. T. Chen, D. P. Tsai, and N. I. Zheludev
    Metamaterials 2015, Oxford, UK, 7 - 12 Sep 2015
  44. Propagating toroidal electromagnetic excitations and their interactions with metamaterials and nanostructures
    T. A. Raybould, V. A. Fedotov, N. Papasimakis, I. Youngs, and N. I. Zheludev
    Metamaterials 2015, Oxford, UK, 7 - 12 Sep 2015
  45. (invited) Propagating and localized toroidal excitations in free space and metamaterials
    N. I . Zheludev, V. A. Fedotov, N. Papasimakis, V. Savinov, T. A. Raybould, I. Youngs
    SPIE Optics & Photonics 2015, San Diego, CA, USA, 9 - 13 Aug 2015
  46. (invited) Interrogating nanoparticles with focused doughnuts
    T. A. Raybould, V. A. Fedotov, N. Papasimakis, I. Youngs, and N. I. Zheludev
    PIERS 2015, Prague, Czech Republic, 6 - 9 Jul 2015
  47. A new type of optical activity in a toroidal metamaterial
    T. A. Raybould, V. A. Fedotov, N. Papasimakis, I. Youngs, W. T. Chen, D. P. Tsai, and N. I. Zheludev
    PIERS 2015, Prague, Czech Republic, 6 - 9 Jul 2015
  48. A new type of optical activity in a toroidal metamaterial
    T. A. Raybould, V. A. Fedotov, N. Papasimakis, I. Youngs, W. T. Chen, D. P. Tsai, and N. I. Zheludev
    CLEO 2015, San Jose, CA, USA, 10 - 15 May 2015
  49. Interrogating nanoparticles with focused doughnut pulses
    T. A. Raybould, V. A. Fedotov, N. Papasimakis, I. Youngs, and N. I. Zheludev
    Optical Wave and Waveguide Theory and Numerical Modelling Workshop, London, UK, 17 - 18 Apr 2015
  50. (poster) Flying electromagnetic toroids: propagation properties and light-matter interactions
    T. A. Raybould, V. A. Fedotov, N. Papasimakis, I. Youngs, N. I. Zheludev
    Nanometa 2015, Seefeld, Austria, 5 - 8 Jan 2015
  51. (invited) Metamaterials, toroids and flying donuts
    N. I. Zheludev, V. A. Fedotov, T. A. Raybould, N. Papasimakis, V. Savinov and I. Youngs
    IEEE Photonics Conference 2014, San Diego, CA USA, 12 - 16 Oct 2014
  52. Planar metamaterial as a wavevector selective surface
    V. A. Fedotov, J. Wallauer, M. Walther, N. Papasimakis, N. I. Zheludev
    Metamaterials'2014, Copenhagen, Denmark, 25 - 30 Aug 2014
  53. Giant Kerr rotation enhancement in hybrid magneto-plasmonic metamaterials
    E. Atmatzakis, N. Papasimakis, V. A. Fedotov, and N. I. Zheludev
    Metamaterials'2014, Copenhagen, Denmark, 25 - 30 Aug 2014
  54. Giant Kerr rotation enhancement in magneto-plasmonic metamaterials
    E. Atmatzakis, N. Papasimakis, V. A. Fedotov, and N. I. Zheludev
    CLEO:2014, San Jose, CA, USA, 8 - 13 Jun 2014
  55. Wavevector selective surface
    V. A. Fedotov, J. Wallauer, M. Walther, N. Papasimakis, N. I. Zheludev, and E. Atmatzakis
    CLEO:2014, San Jose, CA, USA, 8 - 13 Jun 2014
  56. (poster) Interaction of flying electromagnetic doughnut with nanostructures
    T. A. Raybould, N. Papasimakis, V. A. Fedotov, I. Youngs, and N. I. Zheludev
    CLEO:2014, San Jose, CA, USA, 8 - 13 Jun 2014
  57. Wavevector selective surfaces
    V. A. Fedotov, J. Wallauer, M. Walther, N. Papasimakis, and N. I. Zheludev
    META'14, Singapore, 20 - 23 May 2014
  58. (invited) Controlling magnetism at the nanoscale with metamaterials
    N. Papasimakis, E. Atmatzakis, A. Tsiatmas, V. A. Fedotov, B. Luk'yanchuk, F. Javier Garcia de Abajo, and Nikolay I. Zheludev
    SPIE Photonics Europe, Brussels, Belgium, 14 - 17 Apr 2014
  59. Magnetic graphene metamaterial
    N. Papasimakis, S. Thongrattanasiri, N. I. Zheludev, and F. J. Garcia de Abajo
    CLEO/Europe - IQEC 2013, Munich, Germany, 12 - 16 May 2013
  60. Optical excitation of unipolar Tesla magnetic pulses in plasmonic nanostructures
    E. Atmatzakis, A. Tsiatmas, N. Papasimakis, V. A. Fedotov, B. Luk’yanchuk, F. J. Garcia de Abajo, and N. I. Zheludev
    CLEO/Europe - IQEC 2013, Munich, Germany, 12 - 16 May 2013
  61. (invited) Tesla magnetic pulses by optical excitation of plasmonic nanostructures
    E. Atmatzakis, A. Tsiatmas, N. Papasimakis, V. A. Fedotov, B. Luk'Yanchuk, J. G. de Abajo, and N. I. Zheludev
    IPS Meeting 2013, Singapore, 4 - 6 Mar 2013
  62. Generating Tesla Magnetic Pulses in Plasmonic Nanostructures
    E. Atmatzakis, A. Tsiatmas, N. Papasimakis, V. A. Fedotov, B. Luk'yanchuk, J. G. de Abajo, and N. I. Zheludev
    Nanometa 2013, Seefeld, Austria, 3 - 6 Jan 2013
  63. Magnetic graphene metamaterial
    N. Papasimakis, S. Thongrattanasiri, N. I. Zheludev, and J. G. de Abajo
    Nanometa 2013, Seefeld, Austria, 3 - 6 Jan 2013
  64. Terahertz bandwidth optical nonlinearity of graphene metamaterial
    A. E. Nikolaenko, E. Atmatzakis, N. Papasimakis, Z. Luo, Z. X. Shen, S. Boden, P. Ashburn, and N. I. Zheludev
    CLEO:2012, San Jose, United States, 06 - 11 May 2012
  65. THz bandwidth light-with-light modulation in graphene metamaterial
    A. Nikolaenko, E. Atmatzakis, N. Papasimakis, Z. Luo, Z. X. Shen, F. De Angelis, E. Di Fabrizio, N. I. Zheludev
    META'12, Paris, France, 19 - 22 Apr 2012
  66. (poster) Ultrafast nonlinearity of graphene metamaterial
    A. Nikolaenko, E. Atmatzakis, N. Papasimakis, Z. Luo, Z. X. Shen, F. De Angelis, E. Di Fabrizio, N. I. Zheludev
    SPIE Photonics Europe, Brussels, Belgium, 16 - 19 Apr 2012
  67. (poster) Light localization, linear and nonlinear properties of disordered plasmonic metamaterials
    T. S. Kao, T. Roy, M. Ren, N. Papasimakis, F. DeAngelis, E. DiFabrizio, A. E. Nikolaenko, N. I. Zheludev
    SPIE Photonics Europe, Brussels, Belgium, 16 - 19 Apr 2012
  68. (invited) Toroidal dipolar response in metamaterials: illusion or reality
    V. A. Fedotov, T. Kaelberer, N. Papasimakis, A. V. Rogacheva, V. Savinov, and N. I. Zheludev
    Metamaterials 2011, Barcelona, Spain, 10 - 15 Oct 2011
  69. (invited) Fano resonance and light localization in disordered metamaterials
    S. Savo, N. Papasimakis, S. Jenkins, J. Ruostekoski, and N. I. Zheludev
    Metamaterials 2011, Barcelona, Spain, 10 - 15 Oct 2011
  70. Light Localization in Disordered Metamaterials
    S. Savo, N. Papasimakis, and N. I. Zheludev
    CLEO/Europe - EQEC 2011, Munich, Germany, 22-26 May 2011
  71. Demonstrating Elusive Toroidal Dipolar Response in Metamaterials
    A. Tsiatmas, V. A. Fedotov, T. Kaelberer, N. Papasimakis, V. Savinov,A. Rogacheva, D. P. Ysai, and N. I. Zheludev
    CLEO/Europe - EQEC 2011, Munich, Germany, 22-26 May 2011
  72. (invited) Advances in nonlinear and switchable photonic metamaterials
    K. F. MacDonald, M. Ren, J. Zhang, B. Gholipour, N. Papasimakis, A. E. Nikolaenko, Z. X. Shen, D. W. Hewak, and N. I. Zheludev
    SPP5, Busan, S. Korea, 15 -20 May 2011
  73. Light Localization in Disordered Metamaterials
    S. Savo, N. Papasimakis, and N. I. Zheludev
    CLEO/QELS 2011, Baltimore, Maryland, US, 1-6 May 2011
  74. (invited) Nanostructured photonic metamaterials: functionalities underpinned by metamolecular interactions
    N. I. Zheludev, E. Plum, V. A. Fedotov, N. Papasimakis, and S. Savo
    Las Vegas, NV, USA, 21 - 25 Apr 2011
  75. (invited) Metamaterials: demonstrating Toroidal Moment in the Frame of Classical Electrodynamics
    T. Kaelberer, V. A. Fedotov, N. Papasimakis, A. Rogacheva, and N. I. Zheludev
    NANOMETA 2011, Seefeld, Austria, 3-6 Jan 2011
  76. Tuning metamaterial properties by a single-layer of graphene
    N. Papasimakis, A. Nikolaenko, Z. Luo, Z. X. Shen, F. De Angelis, E. Di Fabrizio, S. Boden, T. Uchino, and N. I. Zheludev
    NANOMETA 2011, Seefeld, Austria, 3-6 Jan 2011
  77. Intaglio and Bas-Relief Metamaterials: controlling the Colour of Metals
    J. Zhang, J. Y. Ou, N. Papasimakis, Y. Chen, K. F. MacDonald, and N. I. Zheludev
    NANOMETA 2011, Seefeld, Austria, 3-6 Jan 2011
  78. Graphene superstrates for metamaterials
    N. Papasimakis, Z. Luo, Z. X. Shen, F. De Angelis, E. Di Fabrizio, A. E. Nikolaenko, and N. I. Zheludev
    Metamaterials'2010, Karlsruhe, Germany, 13 - 16 Sep 2010
  79. Collective dynamics in photonic meta-molecules: from light localization to the lasing spaser
    S. Jenkins, N. Papasimakis, N. I. Zheludev, and J. Ruostekoski
    Metamaterials'2010, Karlsruhe, Germany, 13 - 16 Sep 2010
  80. Toroidal moments in electromagnetic metamaterials
    T. Kaelberer, N. Papasimakis, V. A. Fedotov, and N. I Zheludev
    Photon 10, Southampton, UK, 23 - 26 Aug 2010
  81. Graphene as a metamaterial superstrate
    Z. X. Shen, Z. Luo, F. De Angelis, E. Di Fabrizio, N. Papasimakis, A. E. Nikolaenko, and N. I. Zheludev
    Recent Advances in Graphene and Related Materials , Singapore, 01 - 06 Aug 2010
  82. (invited) Graphene in a plasmonic metamaterial
    Z. Luo, Z. X. Shen, N. Papasimakis, A. E. Nikolaenko, F. De Angelis, E. Di Fabrizio, and N. I. Zheludev
    SPIE Optics & Photonics, San Diego, CA, USA, 01 - 05 Aug 2010
  83. Carbon nanotubes in a photonic metamaterial: giant ultrafast nonlinearity through plasmon-exciton coupling
    A. Nikolaenko, F. De Angelis, S. A. Boden, N. Papasimakis, P. Ashburne, E. M. Di Fabrizio, and N. I. Zheludev
    CLEO/QELS 2010, San Jose, CA, USA, 16 - 21 May 2010
  84. (invited) Carbon nanotubes in photonic metamaterials
    N. I. Zheludev, A. Nikolaenko, F. De Angelis, S. A. Boden, N. Papasimakis, P. Ashburne, and E. M. Di Fabrizio
    SPIE Photonics Europe 2010, Brussels, Belgium, 12 - 16 Apr 2010
  85. Metamaterials: the search for toroidal moments
    T. Kaelberer, N. Papasimakis, V. A. Fedotov, and N. I. Zheludev
    SPIE Photonics Europe 2010, Brussels, Belgium, 12 - 16 Apr 2010
  86. Surface waves in metamaterial lattices: high-Q resonances and Wood's anomalies
    N. Papasimakis, V. A. Fedotov, and N. I. Zheludev
    SPIE Photonics Europe 2010, Brussels, Belgium, 12 - 16 Apr 2010
  87. (invited) Fano resonances and collective effects in metamaterials
    N. Papasimakis, V. A. Fedotov, and N. I. Zheludev
    META'10 2nd International Conference on Metamaterials, Photonic crystals and Plasmonics, Cairo, Egypt, 22 - 25 Feb 2010
  88. (invited) Metamaterials - from modeling and fabrication to application
    N. I. Zheludev, V. A. Fedotov, N. Papasimakis, E. Plum, and J. Shi
    2009 MRS Fall Meeting, Boston, Massachusetts, USA, 30 Nov - 04 Dec 2009
  89. Coherent meta-magnetics: collective resonances and disorder-induced transitions
    N. Papasimakis, V. A. Fedotov, Y. H. Fu, D. P. Tsai, and N. I. Zheludev
    ICO-Photonics, Delphi, Greece, 07 - 09 Oct 2009
  90. (keynote) Coherent metamaterials
    N. I. Zheludev, V. A. Fedotov, E. Plum, and N. Papasimakis
    Metamaterials 2009 Congress, London, UK, 30 Aug - 04 Sep
  91. (invited) Mimicking EIT, BEC, ferromagnetism, the Mössbauer and the Bunn effects in photonic metamaterials
    N. Papasimakis, E. Plum, V. A. Fedotov, and N. I. Zheludev
    ICMAT 2009, Singapore, 28 Jun - 03 Jul 2009
  92. Metamaterial analogue of the Mössbauer effect
    V. A. Fedotov, N. Papasimakis, A. Bitzer, M. Walther, and N. I. Zheludev
    CLEO/Europe-EQEC, Munich, Germany, 14 - 19 Jun 2009
  93. (invited) Coherent metamaterials: from "optical ferromagnetism" to the lasing spaser
    N. Papasimakis, V. A. Fedotov, and N. I. Zheludev
    CLEO/IQEC 09, Baltimore, Maryland, USA, 31 May - 05 Jun 2009
  94. (invited) Coherent and incoherent metamaterials
    N. I. Zheludev, N. Papasimakis, and V. A. Fedotov
    NANOMETA 2009, Seefeld, Austria, 5-8 Jan 2009
  95. Testing the controversies of toroidal electrodynamics using metamaterials
    N. Papasimakis, K. Marinov, V. A. Fedotov, A. D. Boardman, and N. I. Zheludev
    Plasmonics and Metamaterials (META), Rochester, New York, USA, 20 - 23 Oct 2008
  96. (invited) Metamaterials enter the physics playground: from EIT to lasing spaser
    V. A. Fedotov, N. Papasimakis, E. Plum, S. L. Prosvirnin, and N. I. Zheludev
    Metamaterials 2008, Pamplona, Spain, 23 - 26 Sep 2008
  97. Optical activity in toroidal metamaterials
    N. Papasimakis, V. A. Fedotov, K. Marinov, A. D. Boardman, and N. I. Zheludev
    IoP Quantum Electronics and Photonics Conference (QEP-18), Edinburgh, UK, 26 - 29 Aug 2008
  98. (poster) Coherent metamaterials and the lasing spaser
    N. I. Zheludev, S. L. Prosvirnin, N. Papasimakis, and V. A. Fedotov
    IoP Quantum Electronics and Photonics Conference (QEP-18), Edinburgh, UK, 26 - 29 Aug 2008
  99. (invited) Lasing spaser
    N. I. Zheludev, S. L. Prosvirnin, N. Papasimakis, and V. A. Fedotov
    SPIE Plasmonics: Metallic Nanostructures and Their Optical Properties VI, San Diego, CA, USA, 10 - 13 Aug 2008
  100. Slow light in "zero thickness" metamaterials
    N. Papasimakis, V. A. Fedotov, S. L. Prosvirnin, and N. I. Zheludev
    Slow and Fast Light, Boston, MA, USA, 13 - 16 Jul 2008
  101. (invited) Coherent meta-materials and the lasing spaser
    N. I. Zheludev, S. L. Prosvirnin, N. Papasimakis, and V. A. Fedotov
    IEEE COMCAS 2008, Tel Aviv, Israel, 13 - 14 May 2008
  102. (invited) Close-mode resonances in metamaterials and lasing spaser
    N. I. Zheludev, V. A. Fedotov, N. Papasimakis, E. Plum, and S. L. Prosvirnin
    Photonics Europe (SPIE Europe), Strasbourg, France, 7 - 11 Apr 2008
  103. (invited) Coherent meta-materials and the lasing spaser
    N. I. Zheludev, N. Papasimakis, V. A. Fedotov, and S. L. Prosvirnin
    6th International Workshop on Nanophotonics, Taipei, Taiwan, 11 Mar 2008
  104. (invited) Long pulse delays; a planar metamaterial analog of EIT
    N. Papasimakis, V. A. Fedotov, N. I. Zheludev, and S. L. Prosvirnin
    6th International Workshop on Nanophotonics, Taipei, Taiwan, 11 Mar 2008
  105. (invited) Far-field subwavelength focusing and extraordinary transmission of light by a quasi-periodic array of nanoholes
    F. M. Huang, A. S. Schwanecke, N. Papasimakis, Y. Chen, F. J. Garcia de Abajo, and N. I. Zheludev
    Metamaterials 2007: First International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, Rome, Italy, 22 - 26 Oct 2007
  106. (invited) Plasmon resonances in photonic chiral metamaterials
    N. I. Zheludev, V. A. Fedotov, A. S. Schwanecke, E. Plum, N. Papasimakis, and K. Marinov
    Frontiers in Optics 2007, San Jose, CA, USA, 16 - 20 Sep 2007
  107. (keynote) Chirality in photonic meta-materials
    N. I. Zheludev, V. A. Fedotov, M. Rose, N. Papasimakis, and S. L. Prosvirnin
    Photonic Metamaterials at SPIE Optics and Photonics Congress, San Diego, USA, 26 - 30 Aug 2007
  108. Long pulse delays in thin metamaterial slabs
    N. Papasimakis, V. A. Fedotov, S. L. Prosvirnin, and N. I. Zheludev
    CLEO/Europe-IQEC2007, Munich, Germany, 17 - 22 Jun 2007
  109. Achieving sharp resonances in metamaterials through symmetry breaking
    V. A. Fedotov, M. Rose, N. Papasimakis, S. L. Prosvirnin, and N. I. Zheludev
    CLEO/Europe-IQEC2007, Munich, Germany, 17 - 22 Jun 2007
  110. Metamaterial analog of electromagnetically induced transparency
    N. Papasimakis, V. A. Fedotov, S. L. Prosvirnin, and N. I. Zheludev
    Photonic Metamaterials: From Random to Periodic, Jackson Hole, Wyoming, USA, 04 - 07 Jun 2007
  111. "Slow" light in media of "zero" dimension
    N. Papasimakis, V. A. Fedotov, S. L. Prosvirnin, and N. I. Zheludev
    QELS (CLEO/QELS 2007), Baltimore, MD, USA, 06 - 11 May 2007
  112. Achieving sharp resonances in metamaterials via engaging "closed-modes"
    V. A. Fedotov, M. Rose, N. Papasimakis, S. L. Prosvirnin, and N. I. Zheludev
    QELS (CLEO/QELS 2007), Baltimore, MD, USA, 06 - 11 May 2007
  113. (poster) "Slow" light in planar metamaterials
    N. Papasimakis, V. A. Fedotov, S. L. Prosvirnin, and N. I. Zheludev
    NANOMETA 2007, Seefeld, Austria, 09 - 11 Jan 2007
  114. Achieving sharp spectral resonances in metamaterials via engaging 'closed modes'
    V. A. Fedotov, M. Rose, N. Papasimakis, S. L. Prosvirnin and N. I. Zheludev
    NANOMETA 2007, Seefeld, Austria, 09 - 11 Jan 2007
  115. Quasi-periodic arrays of subwavelength holes in a metal screen: Self-imaging in the near-field and far-field extraordinary transmission
    F. M. Huang, A. S. Schwanecke, N. Papasimakis, Y. Chen, F. J. García de Abajo, and N. I. Zheludev
    NFO-9, Lausanne, Switzerland, 10 - 15 Sep 2006
  116. Extraordinary transmission through planar quasicrystal
    F. J. García de Abajo, V. A. Fedotov, N. Papasimakis, A. S. Schwanecke, Y. Chen, and N. I. Zheludev
    QEP-17 at Photon06, Manchester, UK, 4 - 7 Sep 2006
  117. Extraordinary light transmission through quasicrystal arrays of holes in a metal film
    F. J. García de Abajo, Y. Chen, V. A. Fedotov, N. Papasimakis, A. S. Schwanecke, and N. I. Zheludev
    SPIE Optics and Photonics 2006, Complex Photonic Media (NP201), San Diego, CA, USA, 13 - 17 Aug 2006
  118. Extraordinary light transmission through quasicrystal arrays of holes in a metal film
    F. J. García de Abajo, Y. Chen, V. A. Fedotov, N. Papasimakis, A. S. Schwanecke, N. I. Zheludev
    Photonic Metamaterials: From Random to Periodic, Grand Island, The Bahamas, 5 - 8 Jun 2006
  119. (post-deadline) "Invisible" quasi-periodic array of subwavelength apertures in metal screen
    A. S. Schwanecke, N. Papasimakis, V. A. Fedotov, F. M. Huang, Y. Chen, F. J. García de Abajo, and N. I. Zheludev
    Nanophotonics Topical Meeting (NANO) at IPRA/NANO OSA Collocated Topical Meetings, Uncasville, CT, USA, 24 - 28 Apr 2006