Polarization anisotropy in the electroabsorption of ordered GaInP

Polarization anisotropy in the electroabsorption of ordered GaInP

The polarization dependence of the Franz–Keldysh effect (FKE) in metalorganic vapor phase epitaxially grown AlGaInP/GaInP/AlGaInP p-i-n double heterostructures was investigated for samples with different ordering parameters. We determine an ordering induced shift of the FK spectra of up to 13 meV be...

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Veröffentlicht in:Applied physics letters 1997-03, Vol.70 (11), p.1459-1461
Hauptverfasser: Greger, E., Gulden, K. H., Moser, M., Schmiedel, G., Kiesel, P., Döhler, G. H.
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Sprache:eng
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Zusammenfassung:The polarization dependence of the Franz–Keldysh effect (FKE) in metalorganic vapor phase epitaxially grown AlGaInP/GaInP/AlGaInP p-i-n double heterostructures was investigated for samples with different ordering parameters. We determine an ordering induced shift of the FK spectra of up to 13 meV between light polarized along the [011] and [01-1] crystal directions. Due to the FKE the transmitted light intensity ratio between the respective polarizations was changed from 0.2 to 2.8 dB by applying an electric field of 335 kV/cm.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.118561