Today, the most universal optical media in the world is Blu-ray 50 GB disc, with two layers. Japanese company Sharp has developed a laser that can record three-and four-layer discs.

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More layers to write to Blu-ray disc allows the laser, which I more powerful than standard. It means that the drive can store up to one hundred gigabytes of data.

In Sharp emphasize that their new laser is ready for mass production. However, prior to the approval of specifications three and four-layer Blu-ray discs will remain an experimental model.

By the way, the drives, which allows to record a new laser Sharp, does not brings a huge capacity. Previously, engineers from GE announced the 500 GB drive, and Pioneer, by 2013, intends to release a 1 TB disc.