According to foreign media reports, some researchers have recently developed an LED illuminating device that can open and close 90 billion times in one second, which can be used as the application basis of optical computing technology.
Today, smartphones have billions of transistors inside, and they use billions of electrons per second to power them. But if the microchip can process and transmit data using photons instead of electrons, the computer's speed can be greatly improved. But first, researchers need to develop a light source that can be quickly turned on and off.
Although lasers can meet this requirement, they have problems of excessive energy consumption and excessive volume of the transmitting device, and thus are not suitable for working inside a computer. Now, the fast-lighting device developed by Duke University has brought researchers closer to making light sources suitable for optical computers.
“This is a long-awaited goal in science,†said Maiken Mikkelse, assistant professor of electrical and computer engineering at Duke University. “We can now think about how to make fast switching devices based on this research, so the results of this research make us feel Very excited."
“The research community has been interested in short-range optical communication using LEDs instead of lasers, but these ideas have been limited by the slow emissivity of fluorescent materials, lower energy efficiency, and the inability to guide photons,†Mikkelse Labs Postdoctoral researcher Gleb Akselrod said, "Now, we are one step closer to solving this problem."
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