| Paper Abstract and Keywords |
| Presentation |
2013-02-22 13:30
[Invited Talk]
Recording and Reconstruction of 38-Level Spatial Quadrature-Amplitude Modulation Signal in Double-Referential Holographic Memory
Keisuke Zukeran, Atsushi Okamoto (Hokkaido Univ.), Masanori Takabayashi (Kyushu Inst. of Tech.), Atsushi Shibukawa, Akihisa Tomita (Hokkaido Univ.) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
We propose a double-referential holographic memory (DRHM) that can detect phase modulation signal by just entering reference beam into recording medium without additional system for generation and irradiation of the beam to interfere with signal beam. In this technique, by highly-accurate and simplified complex amplitude detection, high multi-level phase modulation signal and spatial quadrature-amplitude modulation (SQAM) signal become available, so it is expected that storage capacity and data transfer rate are greatly increased. In this paper, we describe the basic operation of the DRHM and evaluate multiple recording/reconstruction characteristics by numerical simulation. Besides, the method for furthermore improving reconstruction quality is newly proposed and its effectiveness is demonstrated. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
holographic memory / multi-level signal recording / spatial quadrature amplitude modulation / / / / / |
| Reference Info. |
ITE Tech. Rep., vol. 37, no. 10, MMS2013-6, pp. 1-7, Feb. 2013. |
| Paper # |
MMS2013-6 |
| Date of Issue |
2013-02-15 (MMS, CE) |
| ISSN |
Print edition: ISSN 1342-6893 |
| Download PDF |
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| Conference Information |
| Committee |
CE MMS |
| Conference Date |
2013-02-22 - 2013-02-22 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
NHK Science & Technology Research Laboratories |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
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| Paper Information |
| Registration To |
MMS |
| Conference Code |
2013-02-CE-MMS |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
Recording and Reconstruction of 38-Level Spatial Quadrature-Amplitude Modulation Signal in Double-Referential Holographic Memory |
| Sub Title (in English) |
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| Keyword(1) |
holographic memory |
| Keyword(2) |
multi-level signal recording |
| Keyword(3) |
spatial quadrature amplitude modulation |
| Keyword(4) |
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| Keyword(5) |
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| 1st Author's Name |
Keisuke Zukeran |
| 1st Author's Affiliation |
Hokkaido University (Hokkaido Univ.) |
| 2nd Author's Name |
Atsushi Okamoto |
| 2nd Author's Affiliation |
Hokkaido University (Hokkaido Univ.) |
| 3rd Author's Name |
Masanori Takabayashi |
| 3rd Author's Affiliation |
Kyushu Institute of Technorogy (Kyushu Inst. of Tech.) |
| 4th Author's Name |
Atsushi Shibukawa |
| 4th Author's Affiliation |
Hokkaido University (Hokkaido Univ.) |
| 5th Author's Name |
Akihisa Tomita |
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Hokkaido University (Hokkaido Univ.) |
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| Speaker |
Author-1 |
| Date Time |
2013-02-22 13:30:00 |
| Presentation Time |
40 minutes |
| Registration for |
MMS |
| Paper # |
MMS2013-6, CE2013-6 |
| Volume (vol) |
vol.37 |
| Number (no) |
no.10 |
| Page |
pp.1-7 |
| #Pages |
7 |
| Date of Issue |
2013-02-15 (MMS, CE) |