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14 March 2018 Multilayer volume holographic optical memory with reduced crosstalk (Conference Presentation)
Liangcai Cao, Zehao He, Song Zong, Chunrong Chen, Guofan Jin
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Proceedings Volume 10557, Ultra-High-Definition Imaging Systems; 105570L (2018) https://doi.org/10.1117/12.2299649
Event: SPIE OPTO, 2018, San Francisco, California, United States
Abstract
Holographic data storage is expected to realize capacity of terabytes as well as fast data-transfer rate of Gbits/sec on a disk format. This kind of performance will be a potential solution for next-generation storage of big data in diversities of applications such as cloud servers and ultra-high definition systems. In this work, we analyze and optimize the axial response of the holographic data storage, aiming at maximizing storage density while suppressing the inter-page crosstalk on the reconstructed data pages. The optical model of the three dimensional hologram recorded in the medium is presented. Based on the reconstructed data page model, inter-layer crosstalk is also analyzed by use of orthogonal reference patterns. The signal to noise ratio and bit error rate of the reconstructed data page are improved. Experiments are conducted to obtain the axial shift selectivity curves and verify the predicted storage density and capacity of a holographic optical disk.
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Liangcai Cao, Zehao He, Song Zong, Chunrong Chen, and Guofan Jin "Multilayer volume holographic optical memory with reduced crosstalk (Conference Presentation)", Proc. SPIE 10557, Ultra-High-Definition Imaging Systems, 105570L (14 March 2018); https://doi.org/10.1117/12.2299649
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KEYWORDS
Holography
Data storage
Optical storage
Volume holography
3D modeling
Data modeling
Clouds
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