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Nonradiating anapole modes in dielectric nanoparticles

Author

Listed:
  • Andrey E. Miroshnichenko

    (Nonlinear Physics Centre, The Australian National University)

  • Andrey B. Evlyukhin

    (Laser Zentrum Hannover e.V.
    Institute of Laser and Information Technologies RAS)

  • Ye Feng Yu

    (Data Storage Institute, A*STAR)

  • Reuben M. Bakker

    (Data Storage Institute, A*STAR)

  • Arkadi Chipouline

    (Technische Universität Darmstadt, Institut für Mikrowellentechnik und Photonik)

  • Arseniy I. Kuznetsov

    (Data Storage Institute, A*STAR)

  • Boris Luk’yanchuk

    (Data Storage Institute, A*STAR)

  • Boris N. Chichkov

    (Laser Zentrum Hannover e.V.
    Institute of Laser and Information Technologies RAS
    Saint-Petersburg Polytechnic University)

  • Yuri S. Kivshar

    (Nonlinear Physics Centre, The Australian National University)

Abstract

Nonradiating current configurations attract attention of physicists for many years as possible models of stable atoms. One intriguing example of such a nonradiating source is known as ‘anapole’. An anapole mode can be viewed as a composition of electric and toroidal dipole moments, resulting in destructive interference of the radiation fields due to similarity of their far-field scattering patterns. Here we demonstrate experimentally that dielectric nanoparticles can exhibit a radiationless anapole mode in visible. We achieve the spectral overlap of the toroidal and electric dipole modes through a geometry tuning, and observe a highly pronounced dip in the far-field scattering accompanied by the specific near-field distribution associated with the anapole mode. The anapole physics provides a unique playground for the study of electromagnetic properties of nontrivial excitations of complex fields, reciprocity violation and Aharonov–Bohm like phenomena at optical frequencies.

Suggested Citation

  • Andrey E. Miroshnichenko & Andrey B. Evlyukhin & Ye Feng Yu & Reuben M. Bakker & Arkadi Chipouline & Arseniy I. Kuznetsov & Boris Luk’yanchuk & Boris N. Chichkov & Yuri S. Kivshar, 2015. "Nonradiating anapole modes in dielectric nanoparticles," Nature Communications, Nature, vol. 6(1), pages 1-8, November.
    • Handle: RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms9069
    DOI: 10.1038/ncomms9069
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    Cited by:

    1. Fuhuan Shen & Zhenghe Zhang & Yaoqiang Zhou & Jingwen Ma & Kun Chen & Huanjun Chen & Shaojun Wang & Jianbin Xu & Zefeng Chen, 2022. "Transition metal dichalcogenide metaphotonic and self-coupled polaritonic platform grown by chemical vapor deposition," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    2. S. Prokhorenko & Y. Nahas & V. Govinden & Q. Zhang & N. Valanoor & L. Bellaiche, 2024. "Motion and teleportation of polar bubbles in low-dimensional ferroelectrics," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    3. Carlos Maciel-Escudero & Andrew B. Yankovich & Battulga Munkhbat & Denis G. Baranov & Rainer Hillenbrand & Eva Olsson & Javier Aizpurua & Timur O. Shegai, 2023. "Probing optical anapoles with fast electron beams," Nature Communications, Nature, vol. 14(1), pages 1-11, December.

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