Magneto-optical properties of InSb for terahertz applications | Zendy

Jan Chochol | Zendy; Kamil Postava | Zendy; Michael Čada | Zendy; Mathias Vanwolleghem | Zendy; L. Halagačka | Zendy; JeanFrançois Lampin | Zendy; Jaromı́r Pištora | Zendy

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Magneto-optical properties of InSb for terahertz applications

Author(s) -

Jan Chochol,

Kamil Postava,

Michael Čada,

Mathias Vanwolleghem,

L. Halagačka,

JeanFrançois Lampin,

Jaromı́r Pištora

Publication year - 2016

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4968178

Subject(s) - terahertz radiation , drude model , permittivity , condensed matter physics , terahertz spectroscopy and technology , effective mass (spring–mass system) , spectroscopy , materials science , doping , plasmon , electric field , physics , optoelectronics , dielectric , quantum mechanics

Magneto-optical permittivity tensor spectra of undoped InSb, n-doped and p-doped InSb crystals were determined using the terahertz time-domain spectroscopy (THz-TDS) and the Fourier transform far-infrared spectroscopy (far-FTIR). A Huge polar magneto-optical (MO) Kerr-effect (up to 20 degrees in rotation) and a simultaneous plasmonic behavior observed at low magnetic field (0.4 T) and room temperature are promising for terahertz nonreciprocal applications. We demonstrate the possibility of adjusting the the spectral rage with huge MO by increase in n-doping of InSb. Spectral response is modeled using generalized magneto-optical Drude-Lorentz theory, giving us precise values of free carrier mobility, density and effective mass consistent with electric Hall effect measurement.Web of Science611art. no. 11502

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