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arXiv · 2503.22355

Error-Corrected Eternal Lifetime Storage

Jie Ma·Chu-Han Wang·Xiao-Yun Xu·Chang-Kun Shi·Tian-Yu Zhang·Ke Cheng·Li Zhan·Xian-Min Jin
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Abstract

In the information explosion era, the demand for high-density stable storage technologies is soaring. Multi-dimensional optical storage with femtosecond laser writing offers a potential solution for massive data storage. However, equipment instability and reduced voxel resolution inevitably lead to data errors. Here, we propose and demonstrate a paradigm exemplifying high-fidelity eternal lifetime optical storage enabled by error correction mechanism. We increase information density by reducing voxel size and spacing. Leveraging deep learning methods, we achieve 8-bit voxel encoding and a storage capacity of 2.15 Tb/disc. We implement the Reed-Solomon(RS) algorithm for errorfree data recovery and get the trade-off between the storage capacity and the redundancy length. Our storage paradigm takes advantage of error-correcting codes, together with permanent information storage capabilities of extremely stable fused silica, marking a significant advancement for recording massive data to the application level and making it possible to faithfully record the information generated in human civilization.

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Jie Ma, Chu-Han Wang, Xiao-Yun Xu, Chang-Kun Shi, Tian-Yu Zhang, Ke Cheng, Li Zhan, Xian-Min Jin. 2025-03-28. Error-Corrected Eternal Lifetime Storage. https://arxiv.org/abs/2503.22355

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