Schedule 0 [ALPSp-10] An Erbium Fiber Laser with Stable Single-Mode Output by Exploiting Feedback Rayleigh Backscattering Jhao-Ren Chen1, Wei-Yao You1, *Chien-Hung Yeh1, Chi-Wai Chow2, Jing-Heng Chen1 (1. Feng Chia University, 2. National Chiao Tung University)