Laser And Optics


High responsivity and internal gain mechanisms in Au-ZnMgO Schottky photodiodes

G. Tabares, A. Hierro, J. M. Ulloa, A. Guzman, E. Munoz et al.
Schottky photodiodes based on Au-ZnMgO/sapphire are demonstrated covering the spectral region from 3.35 to 3.48 eV, with UV/VIS rejection ratios up to ~10 and responsivities as high as 185 A/W. Both the rejection ratio and the responsivity are shown to be largely enhanced by the presence of an inter … [Appl. Phys. Lett. 96, 101112 (2010)] published Wed Mar 10, 2010.

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