Pixel–matched phase–conjugate readout for holographic data storage
نویسندگان
چکیده
We demonstrate one-to-one pixel–matching of phase–conjugate digital volume holographic data storage, with data pages as large as a megapel (1024 × 1024 pixels). A self–pumped phase–conjugate mirror in BaTiO3 is used to provide a phase–conjugate reference beam, which reconstructs the data–bearing object beam from a LiNbO3:Fe crystal using the 90◦ geometry. The systems tradeoffs of phase–conjugate readout are described, and two methods of generating phase–conjugate reference beams are described and compared.
منابع مشابه
Multiplexed phase–conjugate holographic storage using an intermediate buffer hologram
Volume holographic storage combines fast, parallel readout (because each hologram stores a large data page) with high density (because many holograms are multiplexed within the same volume). Phase-conjugate readout has been proposed as a way to eliminate the precision optics that recent demonstrations have relied upon to image the pixels of the input spatial light modulator (SLM) onto those of ...
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Keywords: volume holographic data storage, read-write holographic data storage, phase–conjugate readout, non-linear signal processing.
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