Photonic content-addressable memory system that uses a parallel-readout optical disk

Ashok V. Krishnamoorthy, Philippe J. Marchand, Gökçe Yayla, Sadik C. Esener

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


We describe a high-performance associative-memory system that can be implemented by means of an optical disk modified for parallel readout and a custom-designed silicon integrated circuit with parallel optical input. The system can achieve associative recall on 128 × 128 bit images and also on variable-size subimages. The system’s behavior and performance are evaluated on the basis of experimental results on a motionless-head parallel-readout optical-disk system, logic simulations of the very-large-scale integrated chip, and a software emulation of the overall system.

Original languageEnglish (US)
Pages (from-to)7621-7638
Number of pages18
JournalApplied Optics
Issue number32
StatePublished - Nov 1995
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Engineering (miscellaneous)
  • Electrical and Electronic Engineering


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