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https://hdl.handle.net/2440/117768
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Type: | Conference paper |
Title: | Rewritable multilevel optical data storage in BaFCl nanocrystals |
Author: | Riesen, N. Pan, X. Badek, K. Ruan, Y. Monro, T. Zhao, J. Ebendorff-Heidepriem, H. Riesen, H. |
Citation: | Proceedings of SPIE, 2018 / Katayama, R., Takashima, Y. (ed./s), vol.10757, pp.1075704-1-1075704-6 |
Publisher: | SPIE |
Issue Date: | 2018 |
Series/Report no.: | Proceedings of SPIE; 10757 |
ISBN: | 9781510620858 |
ISSN: | 0277-786X 1996-756X |
Conference Name: | SPIE Optical Data Storage (19 Aug 2018 - 23 Aug 2018 : San Diego, CA) |
Editor: | Katayama, R. Takashima, Y. |
Statement of Responsibility: | N. Riesen, X. Pan, K. Badek, Y. Ruan, T. Monro, J. Zhao, H. Ebendorff-Heidepriem, and H. Riesen |
Abstract: | In this paper, a novel and efficient approach to digital optical data storage using rare-earth ion doped inorganic insulators is demonstrated. More specifically, the nanocrystalline alkaline earth halide BaFCl:Sm is shown to hold great potential for multilevel optical data storage. Proof-of-concept demonstrations show that these phosphors could be used for rewritable, multilevel optical data storage down to the physical dimensions of a single nanocrystal. Multilevel information storage is based on the highly-efficient and reversible conversion of Sm3+ to Sm2+ ions upon exposure to UV-C light. The stored information is efficiently read-out by employing the photoluminescence of the Sm 2+ ions in the nanocrystals, with the signal strength being dependent on the UV-C intensity used during the write step. This serves as the mechanism for multilevel data storage in the individual nanocrystals. This data storage platform has the potential to be extended to 2D and 3D memory for storage densities that could approach tera- or even petabyte/cm3 levels. |
Rights: | Copyright © 2018, Society of Photo-Optical Instrumentation Engineers |
DOI: | 10.1117/12.2322804 |
Grant ID: | http://purl.org/au-research/grants/arc/FL130100044 |
Published version: | http://dx.doi.org/10.1117/12.2322804 |
Appears in Collections: | Aurora harvest 3 Physics publications |
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