Optical Symbolic Processor for Expert System Execution

Abstract

The goal of this program was to develop key concepts for optical symbolic computing. During the course of the program, both a top-down and bottom-up approach was taken to develop an architecture for symbolic computing. The approach was intended to result in an architecture suitable for the design goals while being implementable with practical components. Key results of the program include the following: Design of a unique symbolic processing architecture, Identification of lack of suitable addressable optical memory as a major impediment in the implementation of existing paradigms, Demonstration of a unique, critically needed polarization based modulator with 17 dB extinction ratio, and demonstration of the world's highest extinction ratio (23 dB) of AlGaAs/GaAs modulator at 1 GHz, and Demonstration of high density modulator arrays with the world's smallest pitch (20 um) and less than 20 dB crosstalk. (rh)

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Document Details

Document Type
Technical Report
Publication Date
Dec 31, 1989
Accession Number
ADA224284

Entities

People

  • Julian Bristow

Organizations

  • Honeywell International, Inc.

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Artificial Intelligence
  • Computer Architecture
  • Computer Languages
  • Computer Programming
  • Computer Programs
  • Computers
  • Distributed Feedback Lasers
  • Electro-Optic Modulators
  • Expert Systems
  • Laser Diodes
  • Lasers
  • Modulation
  • Optical Correlators
  • Optical Modulators
  • Parallel Computing
  • Semiconductors
  • Two Dimensional

Readers

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  • Radio communications and signal processing.