Holographic data storage systems

In this paper, we discuss fundamental issues underlying holographic data storage: grating formation, recording and readout of thick and thin holograms, multiplexing techniques, signal-to-noise ratio considerations, and readout techniques suitable for conventional, phase conjugate, and associative se...

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Bibliographic Details
Published in:Proceedings of the IEEE 2004-08, Vol.92 (8), p.1231-1280
Main Authors: Hesselink, L., Orlov, S.S., Bashaw, M.C.
Format: Article
Language:English
Subjects:
Applied sciences
Data retrieval
Data storage
Data storage systems
Disk recording
Electronics
Exact sciences and technology
Gratings
Holograms
Holography
Information retrieval
Magnetic and optical mass memories
Media
Memory
Photorefractive materials
Photovoltaic systems
Recording
Recording and replay of audio and video signals
Searching
Signal processing
Signal to noise ratio
Storage and reproduction of information
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Summary:In this paper, we discuss fundamental issues underlying holographic data storage: grating formation, recording and readout of thick and thin holograms, multiplexing techniques, signal-to-noise ratio considerations, and readout techniques suitable for conventional, phase conjugate, and associative search data retrieval. Next, we consider holographic materials characteristics for digital data storage, followed by a discussion on photorefractive media, fixing techniques, and noise in photovoltaic and other media with a local response. Subsequently, we discuss photopolymer materials, followed by a discussion on system tradeoffs and a section on signal processing and en/decoding techniques, succeeded by a discussion on electronic implementations for control, signal encoding, and recovery. We proceed further by presenting significant demonstrations of digital holographic systems. We close by discussing the outlook for future holographic data storage systems and potential applications for which holographic data storage systems would be particularly suited.
ISSN:0018-9219
1558-2256
DOI:10.1109/JPROC.2004.831212