Abstract
Free-space optical interconnect1 employing vertical-cavity surface-emitting lasers (VCSEL) can significantly improve the performance of massively parallel processors. Recently, we have reported a novel beam-steering VCSEL that could switch the direction of the output beam. Beam-steering angles from 2.6° to 9.6° have been reported.2 Such beam-steering VCSELs are particularly suitable for implementing multistage space-division switching networks such as banyan networks. Different interconnection paths can be setup by selecting different beam directions. In this paper, we report on novel 4×4 reconfigurable optical interconnection network using a monolithic array of beam-steering VCSELs and photodetectors.
© 1996 Optical Society of America
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