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Paper Abstract and Keywords
Presentation 2019-12-05 16:00
Experimental validation of noise reduction techniques for multi-level amplitude modulation holographic memory
Nobuhiro Kinoshita, Yutaro Katano, Teruyoshi Nobukawa, Tetsuhiko Muroi, Norihiko Ishii (NHK)
Abstract (in Japanese) (See Japanese page) 
(in English) Holographic memory is a promising technology as next-generation optical data storage because of its advantages including large capacity, high data-transfer rate, and long archival life of recording media. We have been studying on the holographic memory for video archiving use, and demonstrated recording / reproducing data pages using a data page format with binary symbol. For further increase of capacity and data-transfer rate, recording and reproduction using a data page format with multi-level symbol is essential. In this report, we focus on 4-level amplitude modulation holographic memory, and we consider the noise source that causes bit-error in 4-level amplitude modulation. Then, we propose the methods for suppressing the effect of noise. Finally, we experimentally demonstrate the effectiveness of the proposed methods.
Keyword (in Japanese) (See Japanese page) 
(in English) Holographic memory / Multi-level modulation / Spatial guard interval / Bit-error rate / / / /  
Reference Info. ITE Tech. Rep., vol. 43, no. 41, MMS2019-55, pp. 25-28, Dec. 2019.
Paper # MMS2019-55 
Date of Issue 2019-11-28 (MMS) 
ISSN Print edition: ISSN 1342-6893  Online edition: ISSN 2424-1970
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Conference Information
Committee IEICE-MRIS MMS  
Conference Date 2019-12-05 - 2019-12-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Ehime University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Signal Processing and Others 
Paper Information
Registration To MMS 
Conference Code 2019-12-MRIS-MMS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Experimental validation of noise reduction techniques for multi-level amplitude modulation holographic memory 
Sub Title (in English)  
Keyword(1) Holographic memory  
Keyword(2) Multi-level modulation  
Keyword(3) Spatial guard interval  
Keyword(4) Bit-error rate  
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1st Author's Name Nobuhiro Kinoshita  
1st Author's Affiliation Japan Broadcasting Corp. (NHK)
2nd Author's Name Yutaro Katano  
2nd Author's Affiliation Japan Broadcasting Corp. (NHK)
3rd Author's Name Teruyoshi Nobukawa  
3rd Author's Affiliation Japan Broadcasting Corp. (NHK)
4th Author's Name Tetsuhiko Muroi  
4th Author's Affiliation Japan Broadcasting Corp. (NHK)
5th Author's Name Norihiko Ishii  
5th Author's Affiliation Japan Broadcasting Corp. (NHK)
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Speaker
Date Time 2019-12-05 16:00:00 
Presentation Time 25 
Registration for MMS 
Paper # ITE-MMS2019-55 
Volume (vol) ITE-43 
Number (no) no.41 
Page pp.25-28 
#Pages ITE-4 
Date of Issue ITE-MMS-2019-11-28 


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