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  • 2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference
  • OSA Technical Digest (Optica Publishing Group, 2019),
  • paper eg_1_1

Enhancing Magnetic light emission with optical nanoantennas

Maria Sanz-Paz, Cyrine Ernandes, Juan Uriel Esparza, Geoffrey W. Burr, Niek F. van Hulst, Agnès Maitre, Lionel Aigouy, Nicolas Bonod, Thierry Gacoin, Maria F. Garcia-Parajo, Sébastien Bidault, and Mathieu Mivelle

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Abstract

Electric and magnetic optical fields carry the same amount of energy. Nevertheless, the efficiency with which matter interacts with electric optical fields is commonly accepted to be at least 4 orders of magnitude higher than with magnetic optical fields [1]. Here we experimentally demonstrate that properly designed photonic nanoantennas (figure 1a and b) can selectively manipulate the magnetic versus electric emission of luminescent nanocrystals [2]. In particular, an enhancement of magnetic emission from trivalent europium-doped nanoparticles can only by observed in the vicinity of nanoantennas featuring a magnetic resonance [2,3].

© 2019 IEEE

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