Abstract

A prototype digital free-space photonic switching fabric is demonstrated. It consists of three cascaded 16 × 8 arrays of symmetric self-electro-optic-effect devices that are used as logic gates that implement part of a multistage interconnection network. We discuss architecture, device tolerancing, optical system design, and optomechanical design. This optical circuit is successfully configured as a fully operational array of 32 independent 2 × 2 nodes and operates at 100 kHz.

© 1992 Optical Society of America

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