[WP-C] Poster Session 2

[WP-C-11] Optoelectronic Hybrid Oscillating-Based Feedback-Feedforward Scheme for Laser Linewidth Compression

○Xinpeng Wang¹, Qizhuang Cen², Shanhong Guan², Chong Liu¹, Haoyan Xu¹, Feifei Yin¹, Kun Xu¹, Ming Li², Yitang Dai¹ (1. Beijing University of Posts and Telecommunications (China), 2. Institute of Semiconductors Chinese Academy of Sciences (China))

Keywords:

Fiber based Devices

We demonstrate a laser linewidth compression system with feedback and feedforward, based on optoelectronic hybrid oscillation, which compresses the linewidth to 29 Hz with −78 dBc/Hz phase noise at 1 kHz offset, enabling high-precision applications.