Method for amplifying a time-varying optical signal and optical amplification unit

Claimed is for enlarging time-variable optical signal (1') method, comprising steps: Generate an optical signal (4), an amplitude designation of the auxiliary optical signal to (1) of the amplitude layer is at least associated with a light signal, wherein assist the optical signal (4) is inclined to the optical signal (1'), a constant amplitude serrated signal (5) is provided at least one middle; the amplifying serrated signal (5), and serrated signal (9) removal amplifying from the auxiliary optical signal amplifying device; And is claimed is an optical amplifying unit (6) is executed method.