| Paper Abstract and Keywords |
| Presentation |
2015-02-23 10:45
Numerical simulations on design and detection of spatial quadrature amplitude modulated signals for high-density holographic data storage
Masanori Takabayashi, Toshiyuki Nakai, Kento Ryu (Kyushu Inst. of Tech.), Atsushi Okamoto, Jin Nozawa (Hokkaido Univ.), Takashi Okamoto (Kyushu Inst. of Tech.) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
We perform numerical simulations on spatial quadrature amplitude modulation (SQAM) based holographic data storage which realize significant increase of the modulation rate in the pagedata. Although SQAM signals in which both amplitude and phase are used for signal modulation may contribute to improve data density of holographic data storage, the quantitative recording properties have not been clarified to our knowledge. Therefore, we investigate the symbol error characteristics and the related properties of SQAM-based holographic data storage by the simulator which has been developed in our group and is based on fast-Fourier transform beam-propagation method (FFT-BPM). Concretely, 16, 32, 64-level SQAM signals are used in the simulations. The results show the 32-level SQAM signal can achieve more than 3 times higher data density in the case without multiplexing. Furthermore, since we also simulate the tolerance properties of the detection method for SQAM signals named “2ch holographic diversity interferometer (2ch-HDI)” which is one of the implementation approach of phase shifting interferometry (PSI). |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
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| Reference Info. |
ITE Tech. Rep., vol. 39, no. 7, MMS2015-7, pp. 21-26, Feb. 2015. |
| Paper # |
MMS2015-7 |
| Date of Issue |
2015-02-16 (MMS, CE, 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 AIT IEICE-ITS ME MMS |
| Conference Date |
2015-02-23 - 2015-02-24 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
Hokudai |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
image processing etc |
| Paper Information |
| Registration To |
MMS |
| Conference Code |
2015-02-HI-IE-AIT-ITS-ME-MMS-CE |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
Numerical simulations on design and detection of spatial quadrature amplitude modulated signals for high-density holographic data storage |
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| 1st Author's Name |
Masanori Takabayashi |
| 1st Author's Affiliation |
Kyushu Institute of Technology (Kyushu Inst. of Tech.) |
| 2nd Author's Name |
Toshiyuki Nakai |
| 2nd Author's Affiliation |
Kyushu Institute of Technology (Kyushu Inst. of Tech.) |
| 3rd Author's Name |
Kento Ryu |
| 3rd Author's Affiliation |
Kyushu Institute of Technology (Kyushu Inst. of Tech.) |
| 4th Author's Name |
Atsushi Okamoto |
| 4th Author's Affiliation |
Hokkaido University (Hokkaido Univ.) |
| 5th Author's Name |
Jin Nozawa |
| 5th Author's Affiliation |
Hokkaido University (Hokkaido Univ.) |
| 6th Author's Name |
Takashi Okamoto |
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Kyushu Institute of Technology (Kyushu Inst. of Tech.) |
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| Speaker |
Author-1 |
| Date Time |
2015-02-23 10:45:00 |
| Presentation Time |
15 minutes |
| Registration for |
MMS |
| Paper # |
MMS2015-7, CE2015-7, HI2015-5, ME2015-5, AIT2015-5 |
| Volume (vol) |
vol.39 |
| Number (no) |
no.7 |
| Page |
pp.21-26 |
| #Pages |
6 |
| Date of Issue |
2015-02-16 (MMS, CE, HI, ME, AIT) |