MULTI-CORE FIBER, OPTICAL TRANSMISSION SYSTEM, AND OPTICAL TRANSMISSION METHOD
A multi-core fiber ( 23 ) connects an optical transmitter device ( 10 ) and an optical receiver device ( 30 ) to each other. The multi-core fiber ( 23 ) includes cores each having a wavelength dispersion characteristic different from a wavelength dispersion characteristic of another adjacent core of the cores. In an optical transport system ( 100 ), the optical transmitter device ( 10 ) and the optical receiver device ( 30 ) are connected in series by the plurality of multi-core fibers ( 23 ).
1 . A multi-core fiber configured for connecting optical transport devices to each other, the multi-core fiber comprising:
cores each having a wavelength dispersion characteristic different from a wavelength dispersion characteristic of another adjacent core of the cores.
2 . An optical transport system including optical transport devices connected in series by a plurality of multi-core fibers, wherein
each multi-core fiber includes cores each having a wavelength dispersion characteristic different from a wavelength dispersion characteristic of another adjacent core of the cores; and when an optical signal passes through a first core of a first multi-core fiber of the plurality of multi-core fibers and a second core of a second multi-core fiber of the plurality of multi-core fibers, a wavelength dispersion characteristic of the first core is different from a wavelength dispersion characteristic of the second core.
3 . The optical transport system according to claim 2 , wherein
the cores of each multi-core fiber are regularly arranged in a concentric circle, and
the second multi-core fiber is connected to the first multi-core fiber in a state in which the second multi-core fiber having the same core arrangement as the first multi-core fiber is rotated relative to the first multi-core fiber.
4 . The optical transport system according to claim 2 , wherein
the wavelength dispersion characteristic of the second core is opposite to the wavelength dispersion characteristic of the first core.
5 . An optical transport method implemented by an optical transport system including optical transport devices connected in series by a plurality of multi-core fibers, wherein
each multi-core fiber includes cores each having a wavelength dispersion characteristic different from a wavelength dispersion characteristic of another adjacent core of the cores; and when an optical signal passes through a first core of a first multi-core fiber of the plurality of multi-core fibers and a second core of a second multi-core fiber of the plurality of multi-core fibers, a wavelength dispersion characteristic of the first core is different from a wavelength dispersion characteristic of the second core,
the optical transport method comprising:
transmitting an optical signal to each core of the first multi-core fiber by using a first optical transport device; and
receiving an optical signal from each core of the second multi-core fiber by using a second optical transport device.