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Ultrafast Lasers Enable High-Density Data Storage

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A laser-based data storage and retrieval technique could increase the storage capacity of conventional optical discs, such as DVD and Blu-ray, without the need for special preparatory steps. The scalable technique stores information bits in a multilayer structure using the 3D volume of the disc, and ultrafast lasers are used to keep the changes in the disc on a micron scale. Conventional discs can currently be transformed into ultrahigh capacity storage media by encoding multilevel and multiplexed information within the 3D volume of the recording medium. However, in most cases the...Read full article

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