Time-Domain Holographic Digital Memory

An optical storage technique based on time-domain holography for the rapid recording and readout of page-formatted digital data is demonstrated. Storage of 356 kilobits of data was achieved at a single spatial location in a rare-earth-doped crystal. The digital data were recorded and accurately retr...

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Published in:Science (American Association for the Advancement of Science) 1997-10, Vol.278 (5335), p.96-100
Main Authors: Shen, Xiao A., Nguyen, An-Dien, Perry, John W., Huestis, David L., Kachru, Ravinder
Format: Article
Language:English
Subjects:
Applied sciences
Bit error rate
Data storage
Digital data
Electric pulses
Electronics
Exact sciences and technology
Histograms
Holography
Information storage and retrieval
Input output
Laser beams
Lasers
Magnetic and optical mass memories
Optical storage devices
Pixels
Storage and reproduction of information
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cited_by cdi_FETCH-LOGICAL-c663t-9fb03a601ae7bc71db161dc2c8d0017445355a9055d4b3fc36f454f9ffca959d3
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container_issue 5335
container_start_page 96
container_title Science (American Association for the Advancement of Science)
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creator Shen, Xiao A.
Nguyen, An-Dien
Perry, John W.
Huestis, David L.
Kachru, Ravinder
description An optical storage technique based on time-domain holography for the rapid recording and readout of page-formatted digital data is demonstrated. Storage of 356 kilobits of data was achieved at a single spatial location in a rare-earth-doped crystal. The digital data were recorded and accurately retrieved at a peak rate of 300 megabits per second without the use of error-correcting codes. The system's raw bit error rate is about 10$^{-7}$. This low bit error rate was achieved by a detection scheme for extraction of binary data. These results have implications for dynamic optical memory.
doi_str_mv 10.1126/science.278.5335.96
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subjects Applied sciences
Bit error rate
Data storage
Digital data
Electric pulses
Electronics
Exact sciences and technology
Histograms
Holography
Information storage and retrieval
Input output
Laser beams
Lasers
Magnetic and optical mass memories
Optical storage devices
Pixels
Storage and reproduction of information
title Time-Domain Holographic Digital Memory
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