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25 September 2013 Crosstalk analysis of multilayer collinear volume holographic data storage
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Abstract
An optical model to describe the reconstructed image of the collinear holographic data storage system is presented. The 2-D shape of the recording spot in the medium is simulated. The system structure parameters that influence the signal-to-noise ratio (SNR) of the reconstructed image are investigated in order to choose proper optical components to improve data storage density of the system. The role of the random binary phase mask (RBPM) utilized in the multilayer collinear holographic system is investigated. It is proved that the inter-layer crosstalk can be effectively suppressed by using different RBPMs. Different layers of data pages can be recorded with the SNR increased by a factor of six at least and the shift selectivity along z-axis can also be improved significantly.
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Jinqiu Liu, Liangcai Cao, Chengmingyue Li, Jianhua Li, Qingsheng He, and Guofan Jin "Crosstalk analysis of multilayer collinear volume holographic data storage", Proc. SPIE 8847, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications VII, 88470D (25 September 2013); doi: 10.1117/12.2026508; https://doi.org/10.1117/12.2026508
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