期刊
JAPANESE JOURNAL OF APPLIED PHYSICS
卷 55, 期 8, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.7567/JJAP.55.08RD01
关键词
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A three-dimensional (3D) shift multiplexing technique is applied to increase the number of multiplexed datapages in self-referential holographic data storage (SR-HDS), enabling holographic recording with purely one-beam geometry. In the 3D shift multiplexing technique, the recording medium is shifted not only along the x-and y-axes but also along the z-axis to multiplex the datapages. Because the shift directions in the 3D shift multiplexing technique are expanded compared with the conventional 2D technique, the number of multiplexed datapages is expected to be increased. We numerically clarify the appropriate 3D recording layout of holograms in which the effect of the inter-page crosstalk can be reduced after showing that datapages are multiplexed on shifting the recording medium along the z-axis. The results show 3D shift multiplexing can effectively realize high-density SR-HDS when appropriately designed layouts are used. (C) 2016 The Japan Society of Applied Physics.
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