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Proceedings Paper

Eternal 5D data storage by ultrafast laser writing in glass
Author(s): J. Zhang; A. Čerkauskaitė; R. Drevinskas; A. Patel; M. Beresna; P. G. Kazansky
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Paper Abstract

Securely storing large amounts of information over relatively short timescales of 100 years, comparable to the span of the human memory, is a challenging problem. Conventional optical data storage technology used in CDs and DVDs has reached capacities of hundreds of gigabits per square inch, but its lifetime is limited to a decade. DNA based data storage can hold hundreds of terabytes per gram, but the durability is limited. The major challenge is the lack of appropriate combination of storage technology and medium possessing the advantages of both high capacity and long lifetime. The recording and retrieval of the digital data with a nearly unlimited lifetime was implemented by femtosecond laser nanostructuring of fused quartz. The storage allows unprecedented properties including hundreds of terabytes per disc data capacity, thermal stability up to 1000 °C, and virtually unlimited lifetime at room temperature opening a new era of eternal data archiving.

Paper Details

Date Published: 4 March 2016
PDF: 16 pages
Proc. SPIE 9736, Laser-based Micro- and Nanoprocessing X, 97360U (4 March 2016); doi: 10.1117/12.2220600
Show Author Affiliations
J. Zhang, Univ. of Southampton (United Kingdom)
A. Čerkauskaitė, Univ. of Southampton (United Kingdom)
R. Drevinskas, Univ. of Southampton (United Kingdom)
A. Patel, Univ. of Southampton (United Kingdom)
M. Beresna, Univ. of Southampton (United Kingdom)
P. G. Kazansky, Univ. of Southampton (United Kingdom)


Published in SPIE Proceedings Vol. 9736:
Laser-based Micro- and Nanoprocessing X
Udo Klotzbach; Kunihiko Washio; Craig B. Arnold, Editor(s)

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