Optical fiber transmission system using raman amplification

The invention relates to an optical fibre transmission system, at least one transmitted to a first spectrum with the first intelligent signal in wavelength, wherein the system comprises optical fibre; at least one first Laman amplifier module, a light to the pneumoelectric wavelength's first pump signal optical fibre, in order to the first intelligent signal end on stimulated Laman to enlarge, wherein the first Laman amplifier module comprises: The first pump, wherein the device comprises two light source, wherein the light source of the pneumoelectric wavelength are arranged in the first polar transmission shaft linear optical beam, wherein the second light source which is different from the pneumoelectric wavelength of from the first polarization and second polar axis transmission line light; the first pump signal of the first discharging device, a combining to the optical beam according to provide of. The first Laman amplifier module further - comprising first polar regulator, the device is used in superimpose to the polar shaft at least claims a polarization and shaft.