| Paper Abstract and Keywords |
| Presentation |
2020-02-28 13:45
Reproduction of SQAM signal for holographic memory and Estimation of recording density
Satoshi Honma, Haruki Funakoshi (Yamanashi Univ.) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
Recording scheme of Spatial quadrature amplitude modulation (SQAM) signal whose amplitude and phase are individually modulated to multi-level in holographic memory is promising method to improve recording capacity of the memory. We have proposed two exposure method (TEM) in which the two holograms for different phase modulated signal is multiplex recorded in the same position and it synthesize the hologram for SQAM signal. Furthermore, we have design an interleaved phase pattern from the above two phase-codes and applied the pattern to recording holographic data of SQAM signal. In this report, we analyze the exposure region of the recording beams with respected to the resolution of the SQAM signal and estimate the effective recording density of the holographic memory using the interleaved phase method. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
Holographic memories / Two-exposure method / Spatial quadrature amplitude modulation signal / / / / / |
| Reference Info. |
ITE Tech. Rep., vol. 44, no. 6, MMS2020-33, pp. 283-288, Feb. 2020. |
| Paper # |
MMS2020-33 |
| Date of Issue |
2020-02-20 (MMS, HI, ME, AIT) |
| ISSN |
Print edition: ISSN 1342-6893 Online edition: ISSN 2424-1970 |
| Download PDF |
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| Conference Information |
| Committee |
HI IEICE-IE IEICE-ITS MMS ME AIT |
| Conference Date |
2020-02-27 - 2020-02-28 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
Hokkaido Univ. |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
Image Processing, etc. |
| Paper Information |
| Registration To |
MMS |
| Conference Code |
2020-02-HI-IE-ITS-MMS-ME-AIT |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
Reproduction of SQAM signal for holographic memory and Estimation of recording density |
| Sub Title (in English) |
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| Keyword(1) |
Holographic memories |
| Keyword(2) |
Two-exposure method |
| Keyword(3) |
Spatial quadrature amplitude modulation signal |
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| 1st Author's Name |
Satoshi Honma |
| 1st Author's Affiliation |
Yamanashi University (Yamanashi Univ.) |
| 2nd Author's Name |
Haruki Funakoshi |
| 2nd Author's Affiliation |
Yamanashi University (Yamanashi Univ.) |
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| Speaker |
Author-1 |
| Date Time |
2020-02-28 13:45:00 |
| Presentation Time |
15 minutes |
| Registration for |
MMS |
| Paper # |
MMS2020-33, HI2020-33, ME2020-61, AIT2020-33 |
| Volume (vol) |
vol.44 |
| Number (no) |
no.6 |
| Page |
pp.283-288 |
| #Pages |
6 |
| Date of Issue |
2020-02-20 (MMS, HI, ME, AIT) |