Author:
Zhao Zihao,Ye Guanyu,Shirahata Takuma,Wolfe Sean,Jin Lei,Set Sze Yun,Yamashita Shinji
Abstract
We present the reduction of noise in a passively harmonic mode-locked fiber laser by optimizing cavity length. Experimental observation and measurement suggested that the noise could be induced by guided acoustic-wave Brillouin scattering.