Optical frequency combs / Frequency stabilized lasers and applications (5)

[ALPS22-03] Self-calibrated free-running dual-comb ranging using subsampledrepetition frequency information

*Qiuying Ma¹, Haoyang Yu², Kai Ni¹ (1. Tsinghua University, 2. Central South University)

We introduced a self-calibration technique that can directly extract the subsampled repetition frequency information from the interferograms. With this technology, a real-time calibration of free-running dual-comb ranging can be achieved without extra repetition frequency detection module.