Anapole.org
Toroidal Electrodynamics
Toroidal Electrodynamics
Publications
Preprints
- Observation of Toroidal Pulses of Light
A. Zdagkas, Y. Shen, C. McDonnell, J. Deng, G. Li, T. Ellenbogen, N. Papasimakis, N. I. Zheludev
arXiv:2102.03636 (2021) - arXiv
Publications
Articles
- Observation of resilient propagation and free-space skyrmions in toroidal electromagnetic pulses
R. Wang, P-Y. Bao, Z-Q. Hu, S. Shi, B-Z. Wang, N. I. Zheludev and Y. Shen
Appl.Phys. Rev.,11, 031411 (2024) doi: 10.1063/5.0218207 - pdf - Nondiffracting supertoroidal pulses and optical “Kármán vortex streets”
Y. Shen, N. Papasimakis and N. I. Zheludev
Nat. Communications 15, 4863 (2024) doi: 10.1038/s41467-024-48927-5 - The rise of toroidal electrodynamics and spectroscopy
N. I. Zheludev and D. Wilkowski
ACS Photonics 10,3, 556–558 (2023) doi: 10.1021/acsphotonics.2c01953 - Toroidal optical transitions in hydrogen-like atoms
I. Kuprov, D. Wilkowski, and N. I. Zheludev
Sci. Adv. 8, 45 (2022); doi: 10.1126/sciadv.abq6751 - pdf [News article] - Plasmonic anapole metamaterial for refractive index sensing
J. Yao, J. Y. Ou, V. Savinov, M. K. Chen, H. Y. Kuo, N. I. Zheludev, and D. P. Tsai
PhotoniX 3, 23 (2022) doi: 10.1186/s43074-022-00069-x - pdf [Journal cover] - Observation of toroidal pulses of light
A. Zdagkas, Y. Shen, C. McDonnell, J. Deng, G. Li, T. Ellenbogen, N. Papasimakis, and N. I. Zheludev
Nat. Photon. 16, 523–528 (2022) doi: 10.1038/s41566-022-01028-5 - pdf [Journal cover][News article] - Spatio-temporal characterization of ultrashort vector pulses
A. Zdagkas, V. Nalla, N. Papasimakis, and N. I. Zheludev
APL Photonics 6, 116103 (2021) doi: 10.1063/5.0056066
[Featured article] - 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 - 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 - 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 - 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 - 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 - Optical anapoles
V. Savinov, N. Papasimakis, D.P. Tsai & N.I. Zheludev
Comms. phys. 2, 69 (2019) doi: 10.1038/s42005-019-0167-z - Point-dipole approximation for small systems of strongly coupled radiating nanorods
D. W. Watson, S. D. Jenkins, V. A. Fedotov, and J. Ruostekoski
Sci. Rep. 9, 5707 (2019) doi: 10.1038/s41598-019-41327-6 - pdf - Electromagnetic sources beyond common multipoles
N. A. Nemkov, A. A. Basharin, and V. A. Fedotov
Phys. Rev. A 98, 023858 (2018) doi: 10.1103/PhysRevA.98.023858 - pdf - 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] - Optical anapole metamaterial
P. C. Wu, C. Y. Liao, V. Savinov, T. L. Chung, W. T. Chen, Y. W. Huang, P. R. Wu, Y. H. Chen, A. Q. Liu, N. I. Zheludev, and D. P. Tsai
ACS Nano 12(2), 1920–1927 (2018) doi: 10.1021/acsnano.7b08828 - 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] - Nonradiating sources, dynamic anapole, and Aharonov-Bohm effect
N. A. Nemkov, A. A. Basharin, and V. A. Fedotov
Phys. Rev. B 95, 165134 (2017) doi: 10.1103/PhysRevB.95.165134 - pdf - Coherent selection of invisible high-order electromagnetic excitations
M. L. Tseng, X. Fang, V. Savinov, P. C. Wu, J. Y. Ou, N. I. Zheludev, and D. P. Tsai
Sci. Rep. 7, 44488 (2017) doi: 10.1038/srep44488 - pdf - Coherent excitation-selective spectroscopy of multipole resonances
X. Fang, M. L. Tseng, D. P. Tsai, and N. I. Zheludev
Phys. Rev. Appl. 5, 014010 (2016) doi: 10.1103/PhysRevApplied.5.014010 - pdf - Sharp toroidal resonances in planar terahertz metasurfaces
M. Gupta, V. Savinov, N. Xu, L. Cong, G. Dayal, S. Wang, W. Zhang, N. I. Zheludev, and R. Singh
Adv. Mater. 28 (37), 8206 (2016) doi: 10.1002/adma.201601611 - free access - 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 - Toroidal dipole excitations in metamolecules formed by interacting plasmonic nanorods
D. W. Watson, S. D. Jenkins, J. Ruostekoski, V. A. Fedotov, and N. I. Zheludev
Phys. Rev. B 93, 125420 (2016) doi: 10.1103/PhysRevB.93.125420 - pdf - 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 - 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 - Dielectric metamaterials with toroidal dipolar response
A. A. Basharin, M. Kafesaki, E. N. Economou, C. M. Soukoulis, V. A. Fedotov, V. Savinov, N. I. Zheludev
Phys. Rev. X 5, 011036 (2015) doi: 10.1103/PhysRevX.5.011036 - pdf - Toroidal dipolar excitation and macroscopic electromagnetic properties of metamaterials
V. Savinov, V. A. Fedotov, and N. I. Zheludev
Phys. Rev. B 89, 205112 (2014) doi: 10.1103/PhysRevB.89.205112 - pdf - Resonant transparency and non-trivial non-radiating excitations in toroidal metamaterials
V. A. Fedotov, A. V. Rogacheva, V. Savinov, D. P. Tsai, N. I. Zheludev
Sci. Rep. 3, 2967 (2013) doi: 10.1038/srep02967 - pdf - Toroidal lasing spaser
Y. W. Huang, W. T. Chen, P. C. Wu, V. A. Fedotov, N. I. Zheludev and D. P. Tsai
Sci. Rep. 2, 1237 (2013) doi: 10.1038/srep01237 - pdf - Plasmonic toroidal resonance at optical frequencies
Y. W. Huang, W. T. Chen, P. C. Wu, Y. Z. Ho, D. P. Tsai, V. Fedotov, V. Savinov, N. I. Zheludev and Y. F. Chau
SPIE Newsroom (2012) doi: 10.1117/2.1201205.004193 - pdf - Design of plasmonic toroidal metamaterials at optical frequencies
Y. W. Huang, W. T. Chen, P. C. Wu, V. Fedotov, V. Savinov, Y. Z. Ho, Y.F. Chau, N. I. Zheludev, and D. P. Tsai
Opt. Express 20(2), 1760 (2012) doi: 10.1364/OE.20.001760 - pdf - 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 - 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 - On the aromagnetism and anapole moment of anthracene nanocrystals
V. A. Fedotov, K. Marinov, A. D. Boardman, and N. I. Zheludev
New J. Phys. 9, 95 (2007) doi: 10.1088/1367-2630/9/4/095 - pdf - Toroidal metamaterial
K. Marinov, A. D. Boardman, V. A. Fedotov, and N. Zheludev
New J. Phys. 9, 324 (2007) doi: 10.1088/1367-2630/9/9/324 - pdf - Dispersion properties of nonradiating configurations: finite-difference time-domain modeling
A. D. Boardman, K. Marinov, N. Zheludev, and V. A. Fedotov
Phys. Rev. E 72(3), 036603 (2005) doi: 10.1103/PhysRevE.72.036603 - pdf
Conferences
- Generation of self-dual Lorentz-invariant axionic toroidal light pulses
L. Vignjevic, Y. Shen, N. Papasimakis, and N. I. Zheludev
Nanometa 2026, Seefeld, Austria, 6 - 9 Jan 2026 - Nonreciprocal interactions of toroidal charge-current configurations
C. Mididoddi, N. Papasimakis, N. I. Zheludev
CLEO/Europe-EQEC 2025, Munich, Germany, 23 - 27 June 2025 - (poster) Generation of self-dual Lorentz-invariant toroidal light pulses
L. Vignjevic, Y. Shen, N. Papasimakis, N. I. Zheludev
CLEO/Europe-EQEC 2025, Munich, Germany, 23 - 27 June 2025 - (keynote) Supertoroidal electrodynamics
N. Papasimakis
5th International Conference on Optics, Photonics, and Lasers - Hybrid (OPL-2024), Valencia, Spain, 25 - 27 Nov 2024 - (invited) Toroidal electrodynamics news
N. I. Zheludev
Disruptive Photonics Technology 2024, Guangzhou, China 15 - 17 Nov 2024 - pdf - Predator-prey nonreciprocal interactions of toroidal charge-current configurations
C. Mididoddi, N. Papasimakis and N. I. Zheludev
18th International Congress on Artificial Materials for Novel Wave Phenomena (Metamaterials’2024), Crete, Greece, 9 – 14 Sept 2024 - (invited) Nonreciprocity in toroidal electrodynamics
N. Papasimakis, C. Mididoddi, N. I. Zheludev
ICEAA-IEEE APWC 2024, Lisbon, Portugal, 2 - 6 Sept 2024 - (invited) Supertoroidal electrodynamics
N. Papasimakis, Y. Shen, N. I. Zheludev
ICEAA-IEEE APWC 2023, Venice, Italy, 9 - 13 Oct 2023 - Supertoroidal non-radiating configuration
R. Kumar, Y. Shen, N. Papasimakis, N. I. Zheludev
17th International Congress on Artificial Materials for Novel Wave Phenomena (Metamaterials’2023), Crete, Greece, 11–16 Sept 2023 - (invited) Toroidal skyrmions of free space-time
Y. Shen
The 44th PIERS (PhotonIcs and Electromagnetics Research Symposium), Prague, Czech, 3-6 July, 2023 - Supertoroidal anapoles
R. Kumar, N. Papasimakis, and N. I. Zheludev
CLEO/Europe-EQEC 2023, Munich, Germany, 26 - 30 June 2023 - (invited) Toroidal electrodynamics: From non-radiating anapoles to supertoroidal pulses
N. Papasimakis
Metamaterials 3.1, Cetraro, Calabria, Italy, 1 - 5 Aug 2022 - Supertoroidal skyrmions and space-time superoscillation of light
Y. Shen, N.Papasimakis, and N. I. Zheludev
SPIE Photonics Europe 2022, Strasbourg, France, 3 - 7 April 2022 - Broadband toroidal excitations in dielectric particles
R. Kumar, N. Papasimakis and N. I. Zheludev
15th International Congress on Artificial Materials for Novel Wave Phenomena, Virtual Meeting, 20-26 Sept 2021 - 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 - 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 - (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 - 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 - Skyrmionic Supertoroidal Light Pulses
Y. Shen, Y. Hou, A. Zdagkas, N. Papasimakis, and N. I. Zheludev
CLEO 2021 Virtual Conference, 9 - 14 May 2021 - (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 - Observation of Toroidal Light Pulses
A. Zdagkas, Y. Shen, S. Pidishety, C. McDonnell, J. Deng, G. Li, N. Papasimakis T. Ellenbogen and N. I. Zheludev
CLEO 2021 Virtual Conference, 9 - 14 May 2021 - 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 - 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 - (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 - 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 - (plenary)Metamaterials, Anapoles and Flying Donuts
N. I. Zheludev
IONS 2020, Delhi, India, 28 Feb-3 Mar 2020 - 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 - (invited) Anapoles and flying doughnuts
N. Papasimakis, V. Savinov, A. Zdagkas, and N. I. Zheludev
ICEAA 2019, Granada, Spain, 9 - 13 Sep 2019 - (invited) Electrodynamics beyond common multipoles
V. A. Fedotov
ICEAA-IEEE APWC 2019, Granada, Spain, 9 - 13 Sep 2019 - (invited) Radiation (-less) sources beyond common multipoles
V. A. Fedotov
Metanano 2019, St. Petersburg, Russia, 15-19 July 2019 - (tutorial) Metamaterials, anapoles and flying donuts
N. I. Zheludev
CLEO Europe - EQEC 2019, Munich, Germany 23 - 27 Jun 2019 - (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 - 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 - (poster) Solvatochromic spectroscopy of metamaterials
V. Savinov, W. Y. Tsai, J. Y. Ou, D. P. Tsai, and N. I. Zheludev
Nanometa 2019, Seefeld, Austria, 3 - 6 Jan 2019 - (invited) Seeing the invisible: Direct detection of electric, toroidal and anapoles Dipoles
V. Savinov, W. Y. Tsai, J. Y. Ou, D. P. Tsai, and N. I. Zheludev
Optics 2018, Annual Meeting of Taiwan Photonics Society, Taiwan, 6-8 Dec 2018 - (invited) Metamaterials, anapoles and flying donuts
N. I. Zheludev
EOS Waves in Complex Photonic Media Conference Capri, Italy, 4-7 June 2018 - 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 - (poster) Breaking up the anapole: or How to separate toroidal and electric dipole excitations in matter
V. Savinov, W. Y. Tsai, D. P. Tsai, and N. I. Zheludev
CLEO 2018, San Jose, CA, USA, 13-18 May 2018 - (Keynote) Metamaterials, anapoles and flying donuts
N. I. Zheludev
PIERS 2017, Singapore, Singapore, 19 - 22 Nov 2017 - (invited) Plasmonic toroidal excitation with engineering metamaterials
P. C. Wu, H. Hsiao, C. Y. Liao, T. L. Chung, P. R. Wu, V. Savinov, N. I. Zheludev,
SPIE Optics & Photonics 2017, San Diego, CA, USA, 06 - 10 Aug 2017 - (plenary) Metamaterials, anapoles and flying donuts
N. I. Zheludev
META2017, Seoul, South Korea, 25 - 28 Jul 2017 - 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 - (poster) Engineering toroidal metamaterial with anapole mode
T. L. Chung , P. C. Wu, C. Liao, W. T. Chen, Y. Huang, P. R. Wu, Y. Chen, V. Savinov, N. I. Zheludev, and D. P. Tsai
8th International Conference on Surface Plasmon Photonics (SPP8), Taipei, Taiwan, 22-26 May 2017 - (invited) Toroidal metamaterials in the flatland
V. Savinov, V. A. Fedotov, M. Gupta, R. Singh, and N. I. Zheludev
Rank Prize Symposium on Electromagnetic Metasurfaces, Grasmere, UK, 13 - 16 Mar 2017 - (invited) Metamaterials, anapoles and flying donuts
N. I. Zheludev
FRISNO-14, the 14th European/French Israeli Symposium on Nonlinear and Quantum Optics, Ein Gedi, Israel, 5 - 10 Mar 2017 - (plenary) Flying donuts: toroidal electromagnetic excitations in matter and free space
N. I. Zheludev
The Winter Colloquium on the Physics of Quantum Electronics PQE-2017, Snowbird, UT, USA, 8 - 13 Jan 2017 - (poster) High-Q Toroidal and Anapole Resonances in Metamaterials
M. Gupta, V. Savinov, and R. Singh
Nanometa 2017, Seefeld, Austria, 4 - 7 Jan 2017 - (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 - (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 - Planar toroidal metamaterials
M. Gupta, V. Savinov, N. Xu, L. Cong, G. Dayal, S. Wang, W. Zhang, N. I. Zheludev and R. Singh
IEEE Optical MEMS and Nanophotonics, Singapore, 3 Aug 2016 - (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 - Flying and localized electromagnetic doughnuts
T. A. Raybould and N. I. Zheludev
KnIFE Programme lunchtime seminar, DSTL, Porton Down, UK, 14 Mar 2016 - (invited) Electromagnetic toroidal moments, anapoles and flying doughnuts
N. I. Zheludev
Photonics Middle East, Doha, Qatar, 13 - 15 Dec 2015 - (invited) Intriguing properties of localized and propagating excitations
N. I. Zheludev
Nanophotonics in Asia, Osaka, Japan, 10 - 11 Dec 2015 - (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 - (invited) Electromagnetic doughnuts: localised and propagating toroidal excitations
N. I. Zheludev
Particle, Condensed Matter and Quantum Physics, Newport Pagnell, UK, 18 - 19 Nov 2015 - 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 - 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 - (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 - (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 - 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 - New enantiomeric phenomena in toroidal media
T. A. Raybould, V. A. Fedotov, N. Papsimakis, I. J. Youngs, W. T. Chen, D. P. Tsai, and N. I. Zheludev
CLEO/Europe-EQEC 2015, Munich, Germany 21 - 25 Jun 2015 - The Aharonov-Bohm-like effect in plasmonics
V. Savinov, and N. I. Zheludev
7th International Conference on Surface Plasmon Photonics (SPP7), Jerusalem, Israel 31 May – 5 June 2015 - 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 - 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 - (poster) The Aharonov-Bohm-like effect in plasmonics
V. Savinov, N. I. Zheludev
Nanometa 2015, Seefeld, Austria, 5 - 8 Jan 2015 - (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 - (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 - (invited) Toroidal metamaterials: resonant transparency and non-trivial non-radiating excitations
V. A. Fedotov, V. Savinov, A. V. Rogacheva, N. I. Zheludev
Photon14, London, 1 - 4 Sep 2014 - (invited) Planar superconducting toroidal metamaterial: a source for oscillating vector-potential?
V. Savinov, K. Delfanazari, V. A. Fedotov and N. I. Zheludev
CLEO:2014, San Jose, CA, USA, 8 - 13 Jun 2014 - (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 - (invited) Non-trivial non-radiating excitations and ultra-narrow resonances in toroidal metamaterials
V. A. Fedotov, V. Savinov, A. V. Rogacheva, and N. I. Zheludev
META'14, Singapore, 20 - 23 May 2014 - (keynote) From plasmonic nanostructure, toroidal metamaterial, reflective metasurface to holographic metadevice
W. T. Chen, Y. W. Huang, P. C. Wu, C. Y. Liao, K. Y. Yang, H. T. Lin, V. A. Fedotov, G. Sun, S. Sun, L. Zhou, A. Q. Liu, N. I. Zheludev, D. P. Tsai
META'14, Singapore, 20 - 23 May 2014 - Non-radiating excitations, vector potential waves and toroidal metamaterials
V. A. Fedotov, V. Savinov, A.V. Rogacheva, D. P. Tsai, and N. I. Zheludev
Metamaterials' 2013, Bordeaux, France, 16 - 19 Sep 2013 - (poster) Non-radiating excitations, vector potential waves and toroidal metamaterials
V. Savinov, V.A. Fedotov, A.V. Rogacheva, D.P. Tsai, and N.I. Zheludev
CLEO/Europe - IQEC 2013, Munich, Germany, 12 - 16 May 2013 - Non-trivial non-radiating excitations and vector potential in toroidal metamaterials
V. A. Fedotov, A. V. Rogacheva, V. Savinov, D. P. Tsai, and N. I. Zheludev
Nanometa 2013, Seefeld, Austria, 3 - 6 Jan 2013 - (invited) Plasmon-induced transparency and plasmonic toroidal lasing spaser in three-dimensional metamaterials
D. P. Tsai, W. T. Chen, P. C. Wu, C. T. Hsiao, K. Y. Yang, Y. W. Huang, C. Y. Liao, V. A. Fedotov, V. Savinov, and N. I. Zheludev
SPIE Congress, San Diego, USA, 12 - 16 Aug 2012 - 3D metamaterials: erected U-shaped nano-rings and plasmonic toroidal metamaterials at optical frequencies
W. T. Chen, P. C. Wu, Y. W. Huang, C. T. Hsiao, K. Yu Yang, C. Y. Liao, V. A. Fedotov, V. Savinov, N. I. Zheludev, and D. P. Tsai
E-MRS 2012 Symposium on Control of light at the nanoscale:materials, techniques and applications, Strasbourg, France, 14 - 18 May 2012 - Toroidal photonic metamaterial
V. Savinov, V. A. Fedotov, W. T. Chen, Y. W. Huang, D. P. Tsai, D. Burckel, I. Brener, N. I. Zheludev
CLEO:2012, San Jose, United States, 06 - 11 May 2012 - (keynote) Three-dimensional metamaterials: from nano bumps to erected
U-shape nano-rings and toroidal metamaterials in optical region
D. P. Tsai, N. I. Zheludev, V. Savinov, V. A. Fedotov, H. G. Tsai, C. Y. Liao, K. S. Chung, Y. Z. Ho, L. C. Kuo, Y. J. Liu, H. W. Huang, Y.-W. Huang, K.-Y. Yang, C. T. Hsiao, S. Sun, B. H. Cheng, Y. L. Chen, P. C. Wu, C. M. Chang, M. L. Tseng, W. T. Chen
SPIE Photonics Europe, Brussels, Belgium, 16 - 19 Apr 2012 - (poster) Toroidal plasmonic metamaterial
V. Savinov, W. T. Chen, Y.-W. Huang, V. A. Fedotov, D. P. Tsai, D. B. Burckel, I. Brener, N. I. Zheludev
SPIE Photonics Europe, Brussels, Belgium, 16 - 19 Apr 2012 - Plasmonic toroidal metamaterials at optical frequencies
Y. W. Huang, W. T. Chen, P. C. Wu, Y. Z. Ho, Y. F. Chau, N. I. Zheludev, and D. P. Tsai
PIERS 2012, Kuala Lumpur, 27 - 30 Mar 2012 - (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 - (plenary) Toroidal metamaterials
V. A. Fedotov, and N. I. Zheludev
YUCOMAT2011, Herceg Novi, Montenegro, 5-9 Sep 2011 - Plasmonic toroidal response at optical frequencies
Y. W. Huang, W. T. Chen, P. C. Wu, Y. F. Chau, D. P. Tsai, V. A. Fedotov, V. Savinov, and N. I. Zheludev
SPIE Optics & Photonics 2011, San Diego, CA, USA, 21-25 Aug 2011 - (invited) On incomplete Soukoulization of metamaterials research: toroids, anapoles and other uncostased problems
N. I. Zheludev
WavePro Symposium - Rethymnon, Crete, Greece, 8 -11 Jun 2011 - 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 - (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 - Toroidal moments in electromagnetic metamaterials
T. Kaelberer, N. Papasimakis, V. A. Fedotov, and N. I Zheludev
Photon 10, Southampton, UK, 23 - 26 Aug 2010 - 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 - 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 - 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 - (invited) Negatively refracting uniaxial toroidal metamaterial
K. Marinov, A. Boardman, V. A. Fedotov, and N. I. Zheludev
NANOMETA 2007, Seefeld, Austria, 09 - 11 Jan 2007 - Nonradiating toroidal structures
A. D. Boardman, K. Marinov, N. I. Zheludev, and V. A. Fedotov
SPIE International Congress on Optics and Optoelectronics, Warsaw, Poland, 28 Aug - 02 Sep 2005
[Proc. of SPIE 5955-04]