OPTICAL FIBER AND OPTICAL TRANSMISSION SYSTEM

摘要

An optical fiber that propagates light over a use wavelength bandwidth of 100 nm or wider in a plurality of propagation modes is provided. A confinement loss is equal to or less than 1 dB/km in each of the plurality of propagation modes over the use wavelength bandwidth. Preferably, a bending loss is equal to or less than 100 dB/m in each of the plurality of propagation modes over the use wavelength bandwidth when the optical fiber is bent at a diameter of 20 mm. Thereby an optical fiber and an optical transmission system that have a larger transmission capacity are provided.