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Recently, researchers at the University of California, San Diego developed a "frequency comb" technology that enables fiber-optic signals to be transmitted
over ultra-long distances of 12,000 kilometers without repeaters.
It is understood that the frequency comb can ensure that the distortion of information in the propagation of the fiber can be predicted and make it predictable at the receiving end, that is, the broadband frequency comb ensures that the crosstalk between multiple communication channels is reversible in the same fiber
.
In optical fiber, the transmission information is transmitted through a variety of communication channels to produce different frequency bands, and the frequency comb is used to synchronize the change frequency of optical flow information, the so-called optical fiber propagation "optical carriers", so that the crosstalk between multiple communication channels in the same optical fiber can be compensated in advance, and the crosstalk between transmission channels can also be ensured to be visible
.
Simply put, with the help of frequency combs, the effective transmission distance can exceed 12,000 kilometers without using repeaters, and this innovation will bring faster and cheaper optical transmission networks, and this technology will gain a wide range of application prospects
in the construction of long-distance intercontinental submarine fiber optic cables.
Recently, researchers at the University of California, San Diego developed a "frequency comb" technology that enables fiber-optic signals to be transmitted
over ultra-long distances of 12,000 kilometers without repeaters.
It is understood that the frequency comb can ensure that the distortion of information in the propagation of the fiber can be predicted and make it predictable at the receiving end, that is, the broadband frequency comb ensures that the crosstalk between multiple communication channels is reversible in the same fiber
.
In optical fiber, the transmission information is transmitted through a variety of communication channels to produce different frequency bands, and the frequency comb is used to synchronize the change frequency of optical flow information, the so-called optical fiber propagation "optical carriers", so that the crosstalk between multiple communication channels in the same optical fiber can be compensated in advance, and the crosstalk between transmission channels can also be ensured to be visible
.
Simply put, with the help of frequency combs, the effective transmission distance can exceed 12,000 kilometers without using repeaters, and this innovation will bring faster and cheaper optical transmission networks, and this technology will gain a wide range of application prospects
in the construction of long-distance intercontinental submarine fiber optic cables.
