With the advent of the era of big data, data entry and transmission have become more and more important, but do you know how fast the current data transmission speed can be? recently,A research team in Japan achieved a data transfer of up to 1.02Pb/s, which also set a new record for current data transfer.
Many people may be very unfamiliar with the unit of Pb/s. Pb is the abbreviation of “Petabit”, which means one trillion bits.
At 1Pb/s, you could theoretically stream 10 million 8K video channels per second, the team said,This means that under the new transmission speed record, up to 10.2 million 8K resolution videos can be played simultaneously per second.
The record speed is not the most important breakthrough, but achieving this transmission speed on a fiber optic cable compatible with existing infrastructure is the biggest highlight.
Researchers from Japan’s National Institute of Information and Communication Technology (NICT) have used a variety of emerging technologies to use glass tubes as the transmission medium, along with a technique called wavelength division multiplexing (WDM). The transmission bandwidth is extended to a record 20THz. With the help of some other new optical amplification and signal modulation techniques,The team achieved a record-breaking speed of 1.02Pb/s and sent data over 51.7 kilometers of fiber optic cable.
Related test data
In December 2020, the team also set a transmission record of 1.01Pb/s. But transmissions at the time required some complex signal processing to interpret the data, which meant it was difficult to roll out at scale.
Today, this test is not only faster, but each core transfers data in only one mode, which means it can be read by technology that is already widely used. On top of that, the four-core fiber optic cable has the same diameter as standard cables, both 0.125mm, which means it should be compatible with existing infrastructure and manufacturing processes. This greatly increases the likelihood of promotion.
Hashtag: 8K video transmission
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