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4D Optical Information Storage from LiGa5O8:Cr3+ Nanocrystal in Glass
Advanced Optical Materials ( IF 8.0 ) Pub Date : 2023-05-02 , DOI: 10.1002/adom.202300445
Haitao Tang 1, 2 , Zhichao Liu 2 , Hao Zhang 3 , Xiaodie Zhu 2 , Qingpeng Peng 2 , Wei Wang 2 , Tao Ji 2 , Peng Zhang 2 , Yakun Le 3 , Aleksey Nikolaevich Yakovlev 4 , Jianbei Qiu 2 , Guoping Dong 3 , Xue Yu 1 , Xuhui Xu 2
Advanced Optical Materials ( IF 8.0 ) Pub Date : 2023-05-02 , DOI: 10.1002/adom.202300445
Haitao Tang 1, 2 , Zhichao Liu 2 , Hao Zhang 3 , Xiaodie Zhu 2 , Qingpeng Peng 2 , Wei Wang 2 , Tao Ji 2 , Peng Zhang 2 , Yakun Le 3 , Aleksey Nikolaevich Yakovlev 4 , Jianbei Qiu 2 , Guoping Dong 3 , Xue Yu 1 , Xuhui Xu 2
Affiliation
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With the fast-growing amount of data, the state-of-the-art optical data storage has become a front-runner in the competing data storage technologies. However, two-dimensional (2D) spatial resolution in the conventional optical data storage media has almost reached the limit. Herein, LiGa5O8:Cr3+ nanoparticles (NCs) precipitated in situ from a transparent medium are prepared. The transparent LiGa5O8:Cr3+ glass ceramics show excellent deep-trap carriers storage ability under blue light irradiation and can realize the bit-by-bit optical data in 3D space for write-in and read-out in a photon trapping/detrapping mode. Moreover, this optical storage mechanism is also extended to 4D by realizing temperature optical encryption. Notably, the written information can still be clearly displayed even after being recorded for 200 days. This work enables 4D high-precision storage of information and provides new insights into the design and fabrication of next-generation storage materials.
中文翻译：
玻璃中 LiGa5O8:Cr3+ 纳米晶体的 4D 光学信息存储
随着数据量的快速增长，最先进的光学数据存储已成为竞争数据存储技术的领跑者。然而，传统光学数据存储介质的二维（2D）空间分辨率几乎已经达到极限。在此，制备了从透明介质中原位沉淀的LiGa 5 O 8 :Cr 3+纳米粒子(NC)。透明LiGa 5 O 8 :Cr 3+微晶玻璃在蓝光照射下表现出优异的深陷阱载流子存储能力，能够以光子捕获/去捕获模式实现3D空间中逐位光学数据的写入和读出。此外，这种光学存储机制还通过实现温度光学加密扩展到4D。值得注意的是，即使记录200天，书面信息仍然可以清晰显示。这项工作实现了 4D 高精度信息存储，并为下一代存储材料的设计和制造提供了新的见解。
更新日期：2023-05-02
中文翻译：
玻璃中 LiGa5O8:Cr3+ 纳米晶体的 4D 光学信息存储
随着数据量的快速增长，最先进的光学数据存储已成为竞争数据存储技术的领跑者。然而，传统光学数据存储介质的二维（2D）空间分辨率几乎已经达到极限。在此，制备了从透明介质中原位沉淀的LiGa 5 O 8 :Cr 3+纳米粒子(NC)。透明LiGa 5 O 8 :Cr 3+微晶玻璃在蓝光照射下表现出优异的深陷阱载流子存储能力，能够以光子捕获/去捕获模式实现3D空间中逐位光学数据的写入和读出。此外，这种光学存储机制还通过实现温度光学加密扩展到4D。值得注意的是，即使记录200天，书面信息仍然可以清晰显示。这项工作实现了 4D 高精度信息存储，并为下一代存储材料的设计和制造提供了新的见解。
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