Free-induction-decay magnetometer based on synchronous optical pumping and RF pulse modulation Jinghong Xu, Liwei Jiang, Junhao Liu, Jiali Liu, Yuanqiang Chen, Jun Zhu, Chi Fang, Qi Shao, Yuntian Zou and Huijing Bai EPJ Quantum Technol., 12 1 (2025) 62 Published online: 30 May 2025 DOI: 10.1140/epjqt/s40507-025-00373-y