Optical fiber receiver having an increased bandwidth
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United States of America Patent
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Oct 16, 2007
Grant Date -
Jul 27, 2006
app pub date -
Mar 24, 2003
filing date -
Mar 22, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to an optical fiber receiver (11) for optoelectronic integrated circuits (OEIC's) having an improved sensitivity and improved bandwidth. The improvements are achieved by subdividing the photodiodes into partial photodiodes (D1, D2), whereby each partial photodiode is connected to a respective transimpedance amplifier (20, 21), and the output signals of the individual transimpedance amplifiers are added inside a summation amplifier (30). The optical fiber received can be produced using different technologies: CMOS, BICMOS, BIPOLAR.
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