Two-dimensional modulation code for multilayered waveguide holographic memory

被引：14

作者：

Endo, M ^{[1
]}

Kurokawa, Y ^{[1
]}

Ueno, M ^{[1
]}

Tanabe, T ^{[1
]}

Yamamoto, M ^{[1
]}

机构：

[1] NTT Corp, NTT Cyber Space Labs, Musashino, Tokyo 1808585, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 2002年 / 41卷 / 3B期

关键词：

multilayered waveguide holographic memory; modulation code; pixel-matching; signal-to-noise ratio; bit error rate;

D O I：

10.1143/JJAP.41.1846

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Our two-dimensional modulation code improves the decoding accuracy of images reconstructed from a multilayered waveguide holographic memory that have been translated, rotated, and distorted with respect to the image detector, The reconstructed images can be decoded without using a precision mechanical structure or an imaging mechanism that matches pixels of the reconstructed images to the pixel grid of the image detector. This code also improves the bit error rate of distorted reconstructed images and reduces crosstalk among different layers and image detector saturation.

引用

页码：1846 / 1850

页数：5

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