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Paper Abstract and Keywords
Presentation 2018-10-19 11:35
Reproduction method of multi-phase-level recording in holographic memory by using a spatial phase-shifting technique
Teruyoshi Nobukawa, Yutaro Katano, Tetsuhiko Muroi, Nobuhiro Kinoshita, Norihiko Ishii (NHK)
Abstract (in Japanese) (See Japanese page) 
(in English) We have proposed a grating-assisted spatial phase-shifting technique for improving the readout time and the robustness of a multi-phase-level recording holographic memory. With the proposed method, it is possible to create four interference patterns with different phase shifts in parallel. This enables us to simultaneously detect the amplitude and phase distributions of beams in a single exposure. By means of the experimental detection of multi-phase-level data pages, we experimentally evaluated the detection accuracy between the proposed method and the conventional method based on a temporal phase-shifting method.
Keyword (in Japanese) (See Japanese page) 
(in English) Holographic memory / Phase-shifting method / Diffractive optical element / Multi-phase-level recording / / / /  
Reference Info. ITE Tech. Rep., vol. 42, no. 33, MMS2018-49, pp. 35-40, Oct. 2018.
Paper # MMS2018-49 
Date of Issue 2018-10-11 (MMS) 
ISSN Print edition: ISSN 1342-6893    Online edition: ISSN 2424-1970
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Conference Information
Committee IEICE-MRIS MMS  
Conference Date 2018-10-18 - 2018-10-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Osaka University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Recording Head, Spintronics, etc. 
Paper Information
Registration To MMS 
Conference Code 2018-10-MRIS-MMS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Reproduction method of multi-phase-level recording in holographic memory by using a spatial phase-shifting technique 
Sub Title (in English)  
Keyword(1) Holographic memory  
Keyword(2) Phase-shifting method  
Keyword(3) Diffractive optical element  
Keyword(4) Multi-phase-level recording  
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1st Author's Name Teruyoshi Nobukawa  
1st Author's Affiliation Japan Broadcasting Corporation Science & Technology Research Laboratories (NHK)
2nd Author's Name Yutaro Katano  
2nd Author's Affiliation Japan Broadcasting Corporation Science & Technology Research Laboratories (NHK)
3rd Author's Name Tetsuhiko Muroi  
3rd Author's Affiliation Japan Broadcasting Corporation Science & Technology Research Laboratories (NHK)
4th Author's Name Nobuhiro Kinoshita  
4th Author's Affiliation Japan Broadcasting Corporation Science & Technology Research Laboratories (NHK)
5th Author's Name Norihiko Ishii  
5th Author's Affiliation Japan Broadcasting Corporation Science & Technology Research Laboratories (NHK)
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Speaker Author-1 
Date Time 2018-10-19 11:35:00 
Presentation Time 25 minutes 
Registration for MMS 
Paper # MMS2018-49 
Volume (vol) vol.42 
Number (no) no.33 
Page pp.35-40 
#Pages 6 
Date of Issue 2018-10-11 (MMS) 

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