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Experimental demonstration of the optical multi-mesh hypercube: scaleable interconnection network for multiprocessors
Applied Optics
|December 15, 2010
Summary
A novel optical multi-mesh hypercube (OMMH) network prototype achieves 150-Mbit/s data rates with a low bit error rate using commercial devices. This scalable architecture merges hypercube and mesh network advantages for efficient optical interconnections.
Area of Science:
- * Optical interconnection networks
- * Network topology and architecture
Background:
- * Existing scaleable networks often compromise on features like diameter, connectivity, or node degree.
- * The optical multi-mesh hypercube (OMMH) aims to combine the benefits of hypercube and mesh architectures.
- * Addressing limitations in current optical interconnects requires novel, scalable solutions.
Purpose of the Study:
- * To experimentally demonstrate a prototype of the optical multi-mesh hypercube (OMMH) network.
- * To evaluate the performance of the OMMH at high data rates and low bit error rates.
- * To showcase a hybrid optical implementation strategy for scaleable interconnection networks.
Main Methods:
- * Experimental demonstration of a prototype optical multi-mesh hypercube (OMMH) network.
- * Utilized commercially available devices, including vertical-cavity surface-emitting laser (VCSEL) arrays and Optobus fiber interconnects.
- * Implemented a two-level optical connection strategy: high-density local connections (hypercube) and high-bit-rate long connections (mesh).
Main Results:
- * Achieved a data rate of 150 Mbit/s with a bit error rate of 10(-13)/link.
- * Successfully integrated free-space imaging systems (VCSEL arrays, holography) for local connections and Optobus for long-distance links.
- * Optimized the OMMH for Motorola's Optobus data rate.
Conclusions:
- * The optical multi-mesh hypercube (OMMH) is a viable and scaleable topology for optical interconnection networks.
- * The hybrid optical implementation effectively combines different connection strategies for optimal performance.
- * Challenges related to holographic fan-out, alignment sensitivity, and VCSEL power were identified for future improvements.
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