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We present a current study of mid-IR isolator using nonreciprocal (NR) magnetoplasmonic InSb mirror. The reflectivity of n-type InSb surface was calculated using Rigorous Coupled Wave Algorithm (RCWA) method. We report magnetooptical (MO) effect for low external magnetic field (B=0.1T), which can be enhanced by a plasmonic grating.
Gyrotropic hexaferrite materials are believed to be very promising candidates for operation in non-reciprocal devices at terahertz frequencies. We present full permittivity and permeability tensor characterization of different hexaferrite crystalline and ceramic samples in a wide band (0.075–5 THz) using both an original magneto-optical Time-Domain-Spectrometry setup and a magneto-quasi-optical setup...
Nanogranular magnetic films were produced by specially designed UHV plasma-jet system with DC hollow-cathode discharge. We investigated the properties of these ferromagnetic FeCoAlN-based films. The analyses of the samples were additionally complemented by the study of nuclear magnetic resonance (NMR), Mössbauer spectroscopy, magnetic measurements, and X-ray diffraction.
The absence of a miniaturized integrated version of an optical isolator is an issue that is becoming increasingly important in view of the always higher levels of integration in photonic integrated circuits. It has been shown that the intrinsic strength of the magneto-optical (MO) effects, necessary to induce optical non-reciprocity (NR), can be strongly enhanced in photonic crystals (PhC).
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