Abstract
An optoelectronic integrated circuit (OEIC), consisting of a photodiode for wavelengths up to 850 nm and a transimpedance amplifier, is introduced together with a voltage-up-converter to reduce the response time of the photodiode by increasing its reverse voltage. Depending on the stage count of the Dickson-type voltage converter, the bandwidth can be increased by factors of 10 to 30. This improvement is due to the elimination of slow carrier diffusion in the photodiode. Bandwidth, rise and fall times, eye diagram, as well as voltage converter characteristics are given for OEICs realized in a 0.6-µm bipolar CMOS (BiCMOS) process.
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