According to foreign media reports: Boston University, University of Southern California and Danish optical fiber company OFS Fitel have jointly discovered a new technology that can break the speed of modern optical fiber transmission. They successfully changed the linear beam in the fiber into a swirling beam. The fiber has a transmission speed 15 times that of the fiber currently used in advanced data centers.
The data transmission in the fiber depends on the beam, and the more beams the more data can carry, this new generation of fiber uses a vortex beam called orbital angular momentum (OAM) to add more light. Carrier.
Orbital angular momentum, OAM)
Siddharth Ramachandran, a professor of engineering at Boston University who is responsible for the research project, said that from the beginning of the deployment of fiber-optic networks, OAM beams have been inherently unstable in fiber optics, but their design solves this problem and will The scientific and technical fields that have explored OAM characteristics have had a major impact, including the use of increased data throughput for fiber optics.
The study successfully provided a 1.6Tb per second transmission speed in a 1.1km long fiber with a swirling beam, which is 15 times the fiber speed used in modern advanced data centers. Since the length of the fiber tested is still insufficient to support the submarine cable, it is considered that the best application at this stage is to use it as a data center.
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