High performance hybrid circuit modules for lightwave systems operating at data rates of 10 Gbit/s and higher

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Abstract
Two hybrid circuit modules, an 11 Gbit/s 1:2 demultiplexer and a 12 Gbit/s 2:1 multiplexer, are described. The modules use silicon bipolar integrated circuits and feature multiple input/output connectors, excellent insertion and return losses, and flat group delays.