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Updated: Oct 11, 2025

Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures
Published on: November 21, 2019
Magneto-Optical Activity in Nonmagnetic Hyperbolic Nanoparticles
Joel Kuttruff1,2, Alessio Gabbani3, Gaia Petrucci3
1Department of Physics and Materials Science, University of Luxembourg, 162a avenue de la Faincerie, 1511, Luxembourg, Luxembourg.
Abstract:
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 activity in nonmagnetic hyperbolic nanoparticles. We demonstrate that the magneto-optical response is driven by the hyperbolic dispersion via the coupling of metallic-induced electric and dielectric-induced magnetic dipolar optical modes with static magnetic fields. Magnetic circular dichroism experiments confirm the theoretical predictions and reveal tunable magneto-optical activity across the visible and near infrared spectral range.
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