In this paper, simulation of double loop mirrors multi-wavelength Brillouin fiber laser utilizing semiconductor optical amplifier based on single mode fiber as gain medium was demonstrated. In optical communications, the fiber laser with nonlinear optical loop mirror multi-wavelength Brillouin fiber laser is expected to play a key role in optical signal processing applications. This paper presents the use of double loop in order to produce a stable multi -wavelength comb signals. This fiber laser configuration was integrated a semiconductor optical amplifier with 0.8A of injected current and polarization controller in both loop mirror placed after a 6km of single mode fiber, a tunable laser sources with different of injected Brillouin pump power from -12?dBm up to 12?dBm are demonstrated. From the results, by using -1?dBm of BP input power, 7 output signals at 1550?nm can be obtained with average optical signal to noise ratio at 22?dB.
