All-optical full adder with bit-differential delay

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

Research output: Contribution to journalArticle

Abstract

We experimentally demonstrate an all-optical digital processing circuit that can perform the full addition of binary optical words. The circuit comprises two coupled all-optical regenerative memories. One memory performs the modulo-2 addition and the other memory generates the carry bits from the addition. The two memories are configured to differ in capacity by a single bit so that the full adder operates in bit-differential mode.

Original languageEnglish
Pages (from-to)89-93
Number of pages5
JournalOptics Communications
Volume168
Issue number1-4
DOIs
Publication statusPublished - 1 Sep 1999

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