Practical angular-multiplexing holographic data storage system with 2 terabyte capacity and 1 gigabit transfer rate

被引：20

作者：

Hoshizawa, Taku ^{[1
]}

Shimada, Ken-ichi ^{[1
]}

Fujita, Kouji ^{[1
]}

Tada, Yukinobu ^{[2
]}

机构：

[1] Hitachi Ltd, Ctr Technol Innovat Informat & Telecommun, Yokohama, Kanagawa 2440817, Japan

[2] Hitachi LG Data Storage Inc, Dev Div, Yokohama, Kanagawa 2440817, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS | 2016年 / 55卷 / 09期

关键词：

CODES;

D O I：

10.7567/JJAP.55.09SA06

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Aiming at the realization of an optical data storage system with a large disc capacity and a high transfer rate suitable for digital data archiving, we have defined the specifications of an angular-multiplexing holographic data storage system with a disc capacity of 2 TB and a transfer rate of 1 Gbps on the basis of a run-length-limited (RLL) high-density recording method using RLL modulation. To realize the specifications, RLL turbo coding, a servo system for the reference beam angle, and a servo system for book tracking were newly invented. Also, to satisfy the specifications, a holographic disc and several key components were developed in cooperation with several specialty companies. Eventually, we confirmed a high-density recording of 2.4 Tbit/in.(2) achieved by the RLL high-density recording method, using evaluation equipment complying with the specifications for single book recording. (C) 2016 The Japan Society of Applied Physics

引用

页数：9

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