Abstract
Emerging as an inevitable outcome of the big data era, long data are the massive amount of data that captures changes in the real world over a long period of time. In this context, recording and reading the data of a few terabytes in a single storage device repeatedly with a century-long unchanged baseline is in high demand. Here, we demonstrate the concept of optical long data memory with nanoplasmonic hybrid glass composites. Through the sintering-free incorporation of nanorods into the earth abundant hybrid glass composite, Young’s modulus is enhanced by one to two orders of magnitude. This discovery, enabling reshaping control of plasmonic nanoparticles of multiple-length allows for continuous multi-level recording and reading with a capacity over 10 terabytes with no appreciable change of the baseline over 600 years, which opens new opportunities for long data memory that affects the past and future.
Highlights
Emerging as an inevitable outcome of the big data era, long data are the massive amount of data that captures changes in the real world over a long period of time
Individual storage devices with both high capacity and long lifespan are essential for long data memory
New data centers based on optical disks have emerged due to the relative longer lifespans compared to hard disk drives (HDDs)
Summary
Emerging as an inevitable outcome of the big data era, long data are the massive amount of data that captures changes in the real world over a long period of time. Through the sintering-free incorporation of nanorods into the earth abundant hybrid glass composite, Young’s modulus is enhanced by one to two orders of magnitude This discovery, enabling reshaping control of plasmonic nanoparticles of multiple-length allows for continuous multilevel recording and reading with a capacity over 10 terabytes with no appreciable change of the baseline over 600 years, which opens new opportunities for long data memory that affects the past and future. The baseline variation of data over multiple low-capacity optical disks can be evened by long data memory based on a single optical disk Such high-capacity and long-lifespan devices allow for continuously recording and reading information with an unchanged baseline for over 600 years in a single disk
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