Light Based Memory Could Replace Your Hard Drive



/ 3 years ago
nano-photonics-2015-09-28-01

Mechanical or SSD? This argument has gone on many times in my own and many of my friends minds, the added speed of the SSD or the capacity of an mechanical drive. Both of these drives have their advantages and more than often it comes down to the things you wish to do. If you want to quickly load your game and have your computer awake within seconds it’s an SSD, but if you are storing your family photos and music you tend to care about not spending hundreds for storing something you will only ever access at Christmas or to embarrass someone on their birthday, you want mechanical. The advantage both of these devices have over different memory storage methods is they are ‘non-volatile’, meaning that they don’t require constant power to store the information, although researchers now hope to give you a third option for a super fast, light-based storage device.

Unlike SSD’s or mechanical drives which are limited in speed because of the heat and resistance they generate while being used, the ‘nano-photonic’ chips are not limited and can, therefore, operate at much higher speeds. By using the same material that CD’s and DVD’s use, called GST, the researchers have managed to change the structure of the alloy (comprised of Germanium, Tellurium and Antimony) in such a way that they were able to store 8 bits of data in any one location. Let’s just take that in, at the moment, electronic memory can only store binary information (1’s or 0’s). Meaning that they can store four times as much information in a single space, but it is still far from perfect.

Currently the chips are several sizes larger than the media everyone uses today to store data, but the researchers are hopeful that they could soon have you working on computers up to 100 times faster than your current desktop and no doubt with much greater capacities.

Thank you Engadget for the information and image.

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