According to recent news from the Massachusetts Institute of Technology (MIT) official website, the school's startup Ayar Labs combined optical and electronic technology to develop a new, faster and more efficient optoelectronic chip, which is expected to increase computing speed and large data centers. The bandwidth is increased by 10 times, and the inter-chip communication energy consumption is reduced by 95%, and the total energy consumption is reduced by 30%-50%.
Ayar Labs' optoelectronic chips use light to transmit data, but still use electronics for calculations. This unique design approach combines fast and efficient photonic communication, components that transmit data using light waves into traditional computer chips, and eliminates inefficient copper wires. The company's CEO, Alex Wright-Gladstein, said: "Now, there is a bandwidth bottleneck in the big data center, and the birth of our products is at the right time."
The researchers explained that data is transmitted between chips of different functions. If the copper wire is used, even if the processing power of the chip increases, it may still cause a "bottleneck" due to the limited data transmitted by the wire. The chip must wait for a long time to send and Receive data. Optical wires can transmit multiple data signals with different wavelengths of light; and each copper wire can only transmit one signal, so the optical chip can transmit more information with less space. Moreover, the waste heat generated by photons is very small, and the copper wire transmits data to generate a large amount of waste heat, which is detrimental to chip efficiency.
At present, there are many research teams producing photonic chips. But Ayar Labs has taken a different approach to develop a new class of miniature optical components, including photodetectors, light modulators, waveguides, and optical filters that encode, transmit, and decode information transmitted over different wavelengths of light. The researchers used a compact approach to integrate these optical devices onto the chip, resulting in a new optoelectronic chip that eliminated copper wires.
It is reported that the first product of this new technology is an optical input/output system called "Brilliant", which is scheduled to be launched in 2019.
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