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Two dimensional microoptical interconnects for a multiprocessor system

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Abstract

The trend of modern high-performance computer systems is directed towards parallel processing /1/, /2/. That results from the high complexity of physical, technical and administrative problems that must be solved. To avoid or to minimize the reduction of these multi-dimensional systems to computer compatible serial data streams, a parallel data processing is proposed. One major problem of that highly parallel multiprocessor systems is to handle the enormous data flow through the system. In that systems the data transfer and the communication protocols will be subdivided in hierarchical planes and the communication system is split into several independent interconnection networks. A common practice realizing short and medium distance bus systems is to use copper based communication media. The disadvantages of that solution are the fundamental electromagnetic properties of electrical interconnections at high frequencies. If the wavelength of the electrical signals and the transmission line have similar order of magnitude, a multitude of problems is arising. Screening of all transmission lines is necessary to prevent crosstalk through electromagnetic radiation. Termination of the lines is required to suppress reflections and standing waves and impedance matching is essential for splitting and joining signal lines.

© 1998 Optical Society of America

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