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Graphene photodetectors for high-speed optical communications

Although silicon has dominated solid-state electronics for more than four decades, a variety of other materials are used in photonic devices to expand the wavelength range of operation and improve performance.

scheme of the photodetector (C) IBM

scheme of the photodetector (C) IBM

scheme of the photodetector (C) IBM

scheme of the photodetector (C) IBM

Electrical engineer Thomas Müller from the Institute of Photonics at the Vienna University of Technology has published the research results in cooperation with the IBM Thomas J. Watson Research Center, Yorktown Heights, New York 10598, USA.

Nature Photonics current issue: http://www.nature.com/nphoton/journal/vaop/ncurrent/abs/nphoton.2010.40.html