Lasers have appeared that transmit information at a record speed

The researchers explained that due to the proliferation of data-intensive services,

including high definition video streaming andconferencing, cloud service infrastructure growth is expected to reach 27% year-on-year in 2021. Because of this, if 400 Gigabit Ethernet (GbE) is now widespread, 800 Gigabit Ethernet (GbE) must quickly follow to meet bandwidth demands.

To achieve high speed and bandwidthAbilities A group of scientists from Japan has developed an electroabsorption modulator and integrated distributed feedback (EA-DFB) laser based on a lump element (LE) capable of transmitting signals at a speed of 224 Gbit / s over a distance of up to 2 km. This is the transmission length requirement for many modern large data centers over a wide temperature range.

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These results indicate that in the future a newthe network can support 800 Gbps applications, making this device a promising source of performance for future data center applications.

"Next generation lasers using the same«tool kit» advanced semiconductor and packaging processes can deliver higher speeds, longer ranges, and lower costs at competitive levels of performance, reliability, and power consumption,” the researchers noted. “With the growth of streaming data and other Internet services, domestic communication links will require higher speeds—1.6 terabits per second and higher.”

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