Optical computer motherboards

Tomasz P. Jannson; Guoda Xu; John M. Bartha; Michael A. Gruntman

doi:10.1117/12.284105

22 September 1997 Optical computer motherboards

Tomasz P. Jannson, Guoda Xu, John M. Bartha, Michael A. Gruntman

Proceedings Volume 3135, Precision Plastic Optics for Optical Storage, Displays, Imaging, and Communications; (1997) https://doi.org/10.1117/12.284105
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

In this paper, we investigate the application of precision plastic optics into a communication/computer sub-system, such as a hybrid computer motherboard. We believe that using optical waveguides for next-generation computer motherboards can provide a high performance alternative for present multi-layer printed circuit motherboards. In response to this demand, we suggest our novel concept of a hybrid motherboard based on an internal-fiber-coupling (IFC) wavelength-division-multiplexing (WDM) optical backplane. The IFC/WDM backplane provides dedicated Tx/Rx connections, and applies low-cost, high-performance components, including CD LDs, GRIN plastic fibers, molding housing, and nonimaging optics connectors. Preliminary motherboard parameters are: speed 100 MHz/100 m, or 1 GHz/10 m; fiber loss approximately 0.01 dB/m; almost zero fan-out/fan-in optical power loss, and eight standard wavelength channels. The proposed hybrid computer motherboard, based on innovative optical backplane technology, should solve low-speed, low-parallelism bottlenecks in present electric computer motherboards.

Citation Download Citation

Tomasz P. Jannson, Guoda Xu, John M. Bartha, and Michael A. Gruntman "Optical computer motherboards", Proc. SPIE 3135, Precision Plastic Optics for Optical Storage, Displays, Imaging, and Communications, (22 September 1997); https://doi.org/10.1117/12.284105

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KEYWORDS

Optical fibers

Local area networks

Phase only filters

Micromirrors

Connectors

Nonimaging optics

Wavelength division multiplexing

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