High brightness fiber coupling laser module with multi-linear-laser-diode-arrays is designed and fabricated.The laser diode chips are fabricated with a broad waveguide and double quantum well structure by molecular beam epitaxy method.The module contains 6 collimated single linear-laser-diode-arrays which can operate to CW 50 W output power with single emission width of 100 μm,pitch of 500 μm,cavity length of 1 200 μm and 19 emitters per bar.Beam output with high beam quality is obtained by space beam combination and beam shaping afterwards,the combined 6-beam output is focused into a 400 μm-core quartz fiber with NA0.22 by a set of flat-convex cylindrical lens.Finally,a maximum fiber end output power of 195 W with power density of 1.55×105 W/cm2 is achieved,and the total coupling efficiency is as high as 65%.