Spatial Modulation of the Dielectric Permittivity and its Effect on the Spectral Responsivity of Heterodimensional Photodetectors

Castro F., Nabet B.
Motorola Laboratories, US

Keywords: AlGaAs/GaAs heterointerface, dielectric permmittivity, Franz-Keldysh, non-uniform electric field, spatial modulation

Spectral photocurrent measurements on AlGaAs/GaAs heterodimensional detectors show a peak near the absorption edge of GaAs under low incident power and at high biasing levels. Previous work has attributed similar results to the Franz-Keldysh spectral mod

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Journal: TechConnect Briefs
Volume: 1, Technical Proceedings of the 2001 International Conference on Modeling and Simulation of Microsystems
Published: March 19, 2001
Pages: 454 - 457
Industry sector: Sensors, MEMS, Electronics
Topic: Modeling & Simulation of Microsystems
ISBN: 0-9708275-0-4