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Opt Express. 2009 May 11;17(10):7901-6.

Ultra-low capacitance and high speed germanium photodetectors on silicon.

Author information

  • 1School of Electrical and Computer Engineering, Cornell University, Ithaca, NY 14853, USA. lc286@cornell.edu

Abstract

We demonstrate waveguide integrated germanium detectors with capacitance as small as 2.4 fF and directly recorded impulse response as fast as 8.8 ps. Based on such detectors and cascaded silicon microring resonators we also demonstrate a highly scalable wavelength division demultiplexing system that can potentially provide tera-bit/s (Tbps) bandwidth over a small area.

PMID:
19434121
[PubMed]
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