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Communicating with low-diffraction lasers and mirrors

Author: Richard Beigel
Publisher: Berkeley, Calif. : International Computer Science Institute, [1992]
Series: Technical report (International Computer Science Institute), TR-92-024.
Edition/Format:   Book : English
Database:WorldCat
Summary:
Abstract: "Optical interconnection networks, in which each processor contains a set of lasers for communication with other processors, have long been studied. In the "regular optics" model of Murdocca [5] a bounded number of planar mirrors are used to redirect light beams, and each processor has a bounded number of lasers directed at a fixed set of angles, independent of the processor. It is theoretically
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Document Type: Book
All Authors / Contributors: Richard Beigel
OCLC Number: 28940105
Notes: "April 7, 1992."
Description: ii, 10 pages : illustrations ; 28 cm.
Series Title: Technical report (International Computer Science Institute), TR-92-024.
Responsibility: Richard Beigel.

Abstract:

Abstract: "Optical interconnection networks, in which each processor contains a set of lasers for communication with other processors, have long been studied. In the "regular optics" model of Murdocca [5] a bounded number of planar mirrors are used to redirect light beams, and each processor has a bounded number of lasers directed at a fixed set of angles, independent of the processor. It is theoretically interesting to ignore diffraction, and assume that lasers [sic] beams travel in a straight line. In the regular optical model, we present elegant layouts for processor networks including the shuffle, grids, and Margulis' expander graph. We also disprove the existence of a certain kind of 3-dimensional layout for shuffles.

Using slightly more complicated optical devices, such as beam splitters, we design a 'light guide, ' which allows simultaneous broadcasts, subject only to the limitations of light sensors. In particular, the light guide can perform single broadcasts. Given accurate enough clocks, it can perform arbitrary permutations."

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