Abstract

The bandwidth of holographic recording in ${\mathrm{LiNbO}}_3$ (Fe doped) in the 90° geometry is studied theoretically and experimentally. The wide holographic bandwidth of ${\mathrm{LiNbO}}_3$ makes it possible to record submicrometer pixels and reconstruct them by phase conjugation in a holographic memory system. This approach reduces the system cost and increases the system storage density. We demonstrate the recording and the phase-conjugate reconstruction of various pixel sizes down to $1 \mathit{\mu }\mathrm{m}\times 1 \mathit{\mu }\mathrm{m}$. The signal–noise ratio and the bit-error rate are examined.

© 1999 Optical Society of America

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