Non interferometric phase retrieval in collinear holographic data storage

Jianying Hao; Xiao Lin; Kun Wang; Yuhong Ren; Xiaodi Tan

doi:10.1117/12.2573796

15 June 2020 Non interferometric phase retrieval in collinear holographic data storage

Jianying Hao, Xiao Lin, Kun Wang, Yuhong Ren, Xiaodi Tan

Proceedings Volume 11522, Optical Manipulation and Structured Materials Conference 2020; 115220U (2020) https://doi.org/10.1117/12.2573796
Event: SPIE Technologies and Applications of Structured Light, 2020, Yokohama, Japan

Abstract

A non-interferometric phase retrieval method in collinear holographic data storage (HDS) is proposed. Noninterferometric system is stable which is suitable for phase-modulated HDS but non-interferometric phase retrieval algorithm replies on strong constraint to shorten iteration number. Embedded data can provide strong constraint. However, in off-axis system, embedded data have to be in the signal part which sacrifice code rate. Our proposed collinear system considers the reference beam as embedded data to increase the code rate by about 2 times.

Citation Download Citation

Jianying Hao, Xiao Lin, Kun Wang, Yuhong Ren, and Xiaodi Tan "Non interferometric phase retrieval in collinear holographic data storage", Proc. SPIE 11522, Optical Manipulation and Structured Materials Conference 2020, 115220U (15 June 2020); https://doi.org/10.1117/12.2573796

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