The propagation of light within a semiconductor Faraday-active Fabry–Perot
resonator is investigated theoretically and experimentally. It is shown that an
external magnetic field radically changes the angular and spectral
characteristics of transmission, reflection, and emissivity of the resonator not
only for polarized, but also for unpolarized, light. Suppression of interference
patterns and phase inversion of the interference extrema were observed in both
monochromatic and polychromatic light. The investigations were carried out for
the plane-parallel plates of n-InAs in the spectral range of free charge carrier
absorption. The results can be used to create new controllable optical and
spectroscopic devices for investigation of Faraday-active material properties
and for control of parameters of plane-parallel layers and structures.
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