Latest design uses less power and retains data longer.
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Change history
28 February 2012
This article originally stated that the maximum memory time of the optical chip was one microsecond. In fact, it was longer than 10 seconds. The text has been changed to reflect this.
References
Nozaki, K. et al. Nat. Photonics advance online publication http://www.nature.com/doifinder/10.1038/nphoton.2012.2 (2012).
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Bourzac, K. Optical memory could ease Internet bottlenecks. Nature (2012). https://doi.org/10.1038/nature.2012.10108
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DOI: https://doi.org/10.1038/nature.2012.10108
