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1 August 2021 Magneto-optics in hyperbolic nanomaterials
Joel Kuttruff, Alessio Gabbani, Gaia Petrucci, Yingqi Zhao, Marzia Iarossi, Esteban Pedrueza Villalmanzo, Antonietta Parracino, Giuseppe Strangi, Alexandre Dmitriev, Francesco De Angelis, Daniele Brida, Francesco Pineider, Nicolò Maccaferri
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Proceedings Volume 11805, Spintronics XIV; 1180522 (2021) https://doi.org/10.1117/12.2595139
Event: SPIE Nanoscience + Engineering, 2021, San Diego, California, United States
Abstract
Hyperbolic nanoparticles provide a versatile platform to widely tune light-matter interactions. Active nanophotonics can be realized by controlling the optical properties of materials with external magnetic fields. Here, we explore the influence of optical anisotropy on the magneto-optical response of hyperbolic nanoparticles across the visible and near infrared spectral range. By using a perturbative approach, we establish a model where the magneto-optical activity of the system is described in terms of the coupling of fundamental electric and magnetic dipole modes, which are induced by the hyperbolic dispersion, with a static magnetic field. Finally, an analytical model is established in the framework of Mie theory to describe the magneto-optical response and identify the contribution of electric and magnetic modes to the total spectrum.
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Joel Kuttruff, Alessio Gabbani, Gaia Petrucci, Yingqi Zhao, Marzia Iarossi, Esteban Pedrueza Villalmanzo, Antonietta Parracino, Giuseppe Strangi, Alexandre Dmitriev, Francesco De Angelis, Daniele Brida, Francesco Pineider, and Nicolò Maccaferri "Magneto-optics in hyperbolic nanomaterials", Proc. SPIE 11805, Spintronics XIV, 1180522 (1 August 2021); https://doi.org/10.1117/12.2595139
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KEYWORDS
Magneto-optics
Magnetism
Nanomaterials
Nanoantennas
Dichroic materials
Numerical simulations
Particles
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