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The advent of network-centric operations and the Global Information Grid (GIG)—which provides information storage, management, processing and transport for U.S. defense and security functions—have highlighted the need for ultra-wide bandwidth networks to efficiently and securely route multigigabit data streams among air, space, and ground platforms. Fiber optics (FO) plays an important role in the GIG: beyond the inherently higher bandwidth as compared to copper cables, the electromagnetic interference immunity and reduced weight of FO will be crucial. Conventional FO-based networks use a star topology in which all transmissions go through a central node and electronic switches dynamically route information based on header information embedded in the data streams. A decentralized network, however, enhances the GIG by enabling asymmetric links as well as broadcast and point-to-point high rate data communication links. These are particularly useful when latency must be managed for mission critical links. OptiComp Corp. (OCC) is developing a new optoelectronics technology platform that can be used in conjunction with an all-optical routing paradigm to significantly improve network system performance as compared to platforms based on electronic switches, especially at multi-Gigabits per second (Gbps) data rates. The very high level of interconnectivity offered by the OCC switch architecture provides multiple paths among the network nodes, thus allowing a relatively simple architecture to achieve exceptional levels of performance and reliability. The paradigm most comparable to this network is the highly successful ‘ThinNet’ (i.e., 10BASE2 Ethernet), which uses the Carrier Sense Multiple Access/Collision Detect (CSMA/CD) protocol and destination address headers in each data packet Figure 1. The parallel fiber wavelength division multiplexing (WDM) N4 crossbar module utilizes 2D arrays of monolithically integrated coarse WDM vertical-cavity surface-emitting lasers (VCSELs) and resonant cavity detectors.

All-optical networks provide flexibility for platforms on the Global Information Grid