Towards high power random fiber laser

摘要

Study on random laser is an interesting topic in physics. In this paper we pay much attention to the high power random laser achievement in optical fiber. Two kinds of optical gains are used for light amplification. One is Raman gain and the other is Yb-doped fiber gain. The random signal is provided by distributed feedback came from Rayleigh scattering and amplified by those gain. We obtain the highest random laser output power results and different laser emitting characters are also reported.