5D DVD

A 5D DVD is an optical disc being developed by Peter Zijlstra, James Chon and Min Gu at the Swinburne University of Technology in Melbourne, Australia.[1][2] In 2009, the developers estimated that the technology could be commercially ready in five to ten years.

Optical discs

Advantages over current discs

5D DVDs use a writing system that uses extremely tiny particles on which data is written, with multiple layers that are read by three different colors of laser (rather than only one, as is the case with DVDs and Blu-ray discs). According to the developers, this could result in discs with a capacity of 10 terabytes, approximately 2000 times the capacity of a standard DVD, compared to Holographic Versatile Disc technology, which has an estimated maximum disc capacity of 6 terabytes. The similarity of disc writing would also make it easier to make 5D DVD players backwards-compatible with existing CD and DVD technology.

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References
  1. "'5D' storage could hold 2,000 times more than 1 DVD". Canadian Broadcasting Corporation. CBC News. 2009-05-22. Retrieved 2009-05-29.
  2. Zijlstra, Peter; Chon, James; Gu, Min; Gu (2009). "Five-dimensional optical recording mediated by surface plasmons in gold nanorods". Nature (published 2009-05-21). 459 (7245): 410–413. doi:10.1038/nature08053. PMID 19458719.
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