Laboratoire Charles Coulomb UMR 5221 CNRS/UM2 (L2C)

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Accueil > La Recherche > Axes & Equipes > Physique de l’Exciton, du Photon & du Spin > Dynamique de spin > Dynamique de spin dans des microcavités

n-GaAs microcavity as an efficient Faraday rotator

par PEPS - publié le

Faraday rotation up to 19◦ in the absence of an external magnetic field is demonstrated in an n-type bulk GaAs microcavity under circularly polarized optical excitation. This strong effect is achieved because (i) the spin-polarized electron gas is an efficient Faraday rotator and (ii) the light wave makes multiple round trips in the cavity.


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