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via The Verge - All Posts by Jamie Keene on 11/24/11
New technology that channels light in the same way that diodes direct electrons could be the future of optical computing. While optical systems are much faster than their electronic counterparts, they are generally limited by higher costs and the need for additional equipment to control interference. These so-called isolators add to the complexity of the design, but an MIT team has figured out a way to achieve the same noise-reducing effect more simply.
Diodes form a critical part of any circuitry since they allow electrons to pass only in one direction, which creates the potential for logic gates. Without the isolators, reflections of the laser (or LED) inside the chip can cause interference and corruption. MIT's solution to this...
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