A monolithic optoelectronic receiver with a bandwidth of more than 20 GHz and a transimpedance of 300 Ω has been designed and fabricated in InP HBT technology. The results demonstrate the possibility of producing a compact component with a single power supply voltage for conversion of modulated light into electric signals with a bandwidth that may be large enough for 40 Gbit/s transmission.
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http://iet.metastore.ingenta.com/content/journals/10.1049/el_19961163
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