All-optical parity checker with bit-differential delay

A J Poustie, K J Blow, A E Kelly, R J Manning

Research output: Contribution to journalArticle

Abstract

We demonstrate an all-optical digital processing circuit that can check the parity of a binary optical word. The circuit operates by repetitively inputting the binary word to be checked into an optical memory whose capacity differs from the repeat time of the input word by one bit. The accumulated parity of the input word is generated by applying the XOR logical function to the repeated input word and the time-shifted stored word in the memory.

Original languageEnglish
Pages (from-to)37-43
Number of pages7
JournalOptics Communications
Volume162
Issue number1-3
DOIs
Publication statusPublished - 1 Apr 1999

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parity
Optical data storage
Networks (circuits)
Digital signal processing
Data storage equipment

Keywords

  • All-optical parity checker
  • Bit-differential delay
  • Binary word

Cite this

Poustie, A J ; Blow, K J ; Kelly, A E ; Manning, R J. / All-optical parity checker with bit-differential delay. In: Optics Communications. 1999 ; Vol. 162, No. 1-3. pp. 37-43.
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All-optical parity checker with bit-differential delay. / Poustie, A J; Blow, K J; Kelly, A E; Manning, R J.

In: Optics Communications, Vol. 162, No. 1-3, 01.04.1999, p. 37-43.

Research output: Contribution to journalArticle

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