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Proceedings Paper

Analysis and reduction of coupling effects between the photodiode and the MMIC amplifier in optical receivers
Author(s): Valter Cocco; Piero Marietti; Alessandro Trifiletti
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Paper Abstract

The effect of shunt-shunt feedback in monolithic transimpedance amplifiers for multiGbit per second optical receivers on the input impedance is considered in this paper. The main transfer function to be optimized is the transimpedance, but the input impedance should be taken into careful consideration to avoid unexpected peaking effects which can be a cause of performance degradation. The interconnection technique used to couple the photodiode to the MMIC amplifier has to be properly chosen in conjunction with the performance of the amplifier as current sink at the input port. We propose a design methodology based on the root-locus technique which can help the designer in the optimization of this kind of circuit with particular regard to the input peaking effects.

Paper Details

Date Published: 17 March 1995
PDF: 12 pages
Proc. SPIE 2401, Functional Photonic Integrated Circuits, (17 March 1995); doi: 10.1117/12.205030
Show Author Affiliations
Valter Cocco, Univ. degli Studi di Roma La Sapienza (Italy)
Piero Marietti, Univ. degli Studi di Roma La Sapienza (Italy)
Alessandro Trifiletti, Univ. degli Studi di Roma La Sapienza (Italy)

Published in SPIE Proceedings Vol. 2401:
Functional Photonic Integrated Circuits
Mario Nicola Armenise; Ka-Kha Wong, Editor(s)

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