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Waveguide integrated 1.55 mu m photodetector with 45 GHz bandwidth

 

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Electronics Letters 32 (1996), No.23, pp.2143-5
ISSN: 0013-5194
English
Journal Article
Fraunhofer HHI ()
iii-v semiconductors; indium compounds; optical fibres; optical planar waveguides; optical receivers; p-i-n photodiodes; photodetectors; waveguide integrated photodetector; evanescently coupled photodiodes; ultrafast photoresponse; responsivity; internal quantum efficiency; linear power response; power levels; optical fibre receivers; pin photodiodes; 1.55 micrometre; 45 GHz; 90 percent; 5 mw; inp

Abstract
Evanescently coupled, waveguide integrated photodiodes were fabricated on InP. The device design is intended to provide ultrafast photoresponse together with a high responsivity. A 3 dB bandwidth of 45 GHz and 90% internal quantum efficiency is achieved at 1.55 mu m wavelength. High-speed operation with linear power response is obtained at power levels as high as 5 mW.

: http://publica.fraunhofer.de/documents/N-13305.html