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Tuning the Visible-to-Infrared Reflectance Spectra of Arrays of Vertical Ge Nanowires

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Abstract

We experimentally demonstrate that, by varying their diameter, the visible-to-infrared reflectance spectra of arrays of vertical Ge nanowires can be tuned. The results could enable future nanowire-based photodetectors with tailored responsivity spectra.

© 2014 Optical Society of America

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