Error correction for increasing the usable capacity of photorefractive memories

Mark A. Neifeld, Mark McDonald

Research output: Contribution to journalArticle

39 Scopus citations

Abstract

Conventional error-correction coding techniques can be used to reduce the minimum signal-to-noise ratio required for achievement an acceptable bit-error rate and can therefore be used to increase the maximum number of pages that can be stored in a photorefractive memory. Because error-correction bits will exact some cost per page in terms of memory capacity, we address the question of when the gain in capacity surpasses this cost. It is found that a factor-of-2 improvement in capacity can be readily achieved.

Original languageEnglish (US)
Pages (from-to)1483-1485
Number of pages3
JournalOptics letters
Volume19
Issue number18
DOIs
StatePublished - Sep 1994

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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