In Optica Publishing Group's journal, Optica, researchers describe a new high-speed laser writing method for writing data that encompasses two optical dimensions plus three spatial dimensions. The ...

While writing the media, data is read back with the illumination of the refraction by the reference beam. The 3D aspect of data recording is a crucial difference between standard CD/DVD recording and ...

This morning Hitachi demonstrated its ability to encode data onto what it calls "quartz glass". Data etched into the material should last 100 million years, the company ...

Storage capacity is one such problem, with the multi-layered quartz glass maxing out around 40MB per square inch. That puts in on par with your basic CD-R, but nowhere close to spacious (yet far ...