LED applications have once again broken or replaced routers to significantly increase network speed

A slightly older person probably has this experience. For the lower movie, it can be turned on for one night. Just because the network speed was limited at that time, the download speed of dozens of K, even if only a hundred of the capacity has to be long. And now it's a few G's high-definition format movies, even if it has a download speed of several hundred megabytes at least a dozen minutes, but if it is 2GB per second network speed? Then it is not a second speed to complete the download of a high-definition movie!
Recently, researchers at the King Abdullah University of Science and Technology (KAUST) in the Middle East have allegedly researched new nanocrystal materials that can turn blue light into white light, in addition to giving you enough light to make you Wi-Fi, like the speed of light, generally reaches 2GB per second! Although Wi-Fi and Bluetooth technologies are widely used in information technology, if the wavelength of electromagnetic waves can be shortened, signal transmission will be improved. And if uncorrected electromagnetic waves are used directly in visible light communication (VLC), it will save a lot of energy for the future, the researchers say. VLC is a form of information transfer that combines lighting and visual technology. For example, an illuminated ceiling light can be connected to the network at the same time to replace the router. It is understood that the current white light source of such VLC appliances needs to be provided by LEDs. However, producing them often requires combining a diode that originally emits blue light with a phosphor that emits red and green light. However, the speed at which the phosphor powder emits is far behind the speed at which the LED switch is turned on and off. So the researchers made lead crystals of lead bromide, which is about 8 nanometers long, and introduced a conventional nitride phosphor in a very simple way. When the blue laser emits light, the nanocrystals and the nitride emit green and red light at the same time, so that the three beams can be combined to emit white light. Researchers say that the optical properties of the new materials they study need to be characterized by femtosecond transient spectra.
At the same time, the researchers also showed that they have the ability to present the optical progression of lead bromide nanocrystals in just 7 nanoseconds. That is to say, optical radiation of up to 491 MHz can also be modulated, which is 40 times faster than the addition of phosphor powder. In addition, the researchers said that the speed of data transmission can theoretically reach 2GB per second! That means that as long as your computer's storage capacity is large enough, you will not be afraid to download high-definition movies or large games. It’s only a matter of time when this technology will mature and promote this application.

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