[P-CTh6] C6. Optical and Photonic Metrology

[P-CTh6-02] A novel scheme for narrow-linewidth measurement based on a delayed self-heterodyne interferometer

*Zhongan Zhao^1,2, Zhenxu Bai^1,2,3, Duo Jin^1,2, Richard P. Mildren³, Yulei Wang^1,2, Zhiwei Lu^1,2 (1. Hebei Univ. of Tech. (China), 2. Hebei Key Lab. of Adv. Laser Tech. and Eq. (China), 3. Macquarie Univ. (Australia))

[Presentation Style] Online

In this work we examine the beat note envelope spectrum generated by a short fiber-based, delayed self-heterodyne structure and we present a novel linewidth measurement scheme suitable for characterizing narrow-linewidth lasers.