Coherence enhancement of a chirped DFB laser for frequency-modulated continuous-wave reflectometry using a composite feedback loop

Jie Qin, Qian Zhou, Weilin Xie, Yan Xu, Shengguo Yu, Zhangweiyi Liu, Yi Tian Tong, Yi Dong^*, Weisheng Hu

^*此作品的通讯作者