Analysis of a lens-array modulated coaxial holographic data storage system with considering recording dynamics of material | Zendy

Yeh-Wei Yu | Zendy; Chi-Hsiang Yang | Zendy; TsungHsun Yang | Zendy; ShiuanHuei Lin | Zendy; Ching-Cherng Sun | Zendy

Open Access

Analysis of a lens-array modulated coaxial holographic data storage system with considering recording dynamics of material

Author(s) -

Yeh-Wei Yu,

Chi-Hsiang Yang,

TsungHsun Yang,

ShiuanHuei Lin,

Ching-Cherng Sun

Publication year - 2017

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.25.022947

Subject(s) - optics , holography , coaxial , lens (geology) , diffraction efficiency , diffraction , holographic data storage , phase modulation , modulation (music) , signal (programming language) , computer science , materials science , physics , acoustics , phase noise , telecommunications , programming language

In the first time, a simulation model with considering the recording dynamics of material is built and is used to simulate evolution of the grating strength of the recorded hologram in a coaxial volume holographic memory system. In addition, phase modulation by lens array in the reference is introduced and observed to perform better diffracted signal quality and higher shifting selectivity, in both simulation and experiment. The use of lens array is found to provide multiple advantages in volume holographic memory system. The new simulation model potentially can be used to precisely design the system to obtain higher diffracted signal quality, higher shifting selectivity, and reduction of M# consumption and increase of storage capacity.

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