Component tradeoffs and technology breakpoints for a 50 Mbps to 3.2 Gbps fiber optic data bus for space applications

Abstract
The design of the optical portion of a fiber optic data bus for space applications is described. A maximum NRZ data rate of 1.9 Gbps is predicted using low risk components which have either been demonstrated in space or for which sufficient qualification data are available. Substitution of lasers and fibers for higher bandwidth components are expected to extend the data rates to 4 Gbps but require additional qualification effort.

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