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Paper Abstract and Keywords
Presentation 2015-10-14 15:30
High-Speed Reference Beam Angle Control Technique for Holographic Memory System
Naohito Ikeda, Taku Hoshizawa, Yusuke Nakamura (Hitachi), Tatsuya Ishitobi, Koichiro Nishimura (HLDS) CPM2015-80
Abstract (in Japanese) (See Japanese page) 
(in English) We have been researching holographic data storage system (HDSS) employing angularly multiplexing recording which is capable of large capacity of Tbyte class and data transfer rate at Gbit/sec class. We developed two main methods to increase recording density. One is the RLL high-density recording method which improves the raw recording density. The other is RLL turbo signal processing method which improves the performance of error correction. We confirmed experimentally the two methods enhanced recording density up to 2.4 Tbit/in2.
Keyword (in Japanese) (See Japanese page) 
(in English) Holographic Memory / Angle-multiplexer / High Density Recording / Run-length limited modulation / Turbo / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 250, CPM2015-80, pp. 17-20, Oct. 2015.
Paper # CPM2015-80 
Date of Issue 2015-10-07 (CPM) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee CPM  
Conference Date 2015-10-14 - 2015-10-14 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To CPM 
Conference Code 2015-10-CPM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) High-Speed Reference Beam Angle Control Technique for Holographic Memory System 
Sub Title (in English)  
Keyword(1) Holographic Memory  
Keyword(2) Angle-multiplexer  
Keyword(3) High Density Recording  
Keyword(4) Run-length limited modulation  
Keyword(5) Turbo  
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Keyword(7)  
Keyword(8)  
1st Author's Name Naohito Ikeda  
1st Author's Affiliation Hitachi,Ltd. (Hitachi)
2nd Author's Name Taku Hoshizawa  
2nd Author's Affiliation Hitachi,Ltd. (Hitachi)
3rd Author's Name Yusuke Nakamura  
3rd Author's Affiliation Hitachi,Ltd. (Hitachi)
4th Author's Name Tatsuya Ishitobi  
4th Author's Affiliation Hitachi-LG Data Storage,Inc. (HLDS)
5th Author's Name Koichiro Nishimura  
5th Author's Affiliation Hitachi-LG Data Storage,Inc. (HLDS)
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Speaker Author-1 
Date Time 2015-10-14 15:30:00 
Presentation Time 25 minutes 
Registration for CPM 
Paper # CPM2015-80 
Volume (vol) vol.115 
Number (no) no.250 
Page pp.17-20 
#Pages 4 
Date of Issue 2015-10-07 (CPM) 

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