Qiran XIE, Yongqi LI, Shun WU. GHz Optical Frequency Comb Generation from a Filtering Cavity Based on a Free-running Fiber Laser[J]. Acta Photonica Sinica, 2024, 53(12): 1214002
- Acta Photonica Sinica
- Vol. 53, Issue 12, 1214002 (2024)
Fig. 1. Schematic diagram of the principle of mode filtering for optical frequency comb
Fig. 2. Schematic diagram of the influence of cavity mirror reflectivity on cavity transmission，cavity linewidth，and side mode suppression
Fig. 3. Optical frequency comb mode filtering scheme obtained by numerical simulation
Fig. 4. Schematic diagram of the experimental setup
Fig. 5. Transmission signal and PDH error signal of the F-P cavity before and after filtering
Fig. 6. The RF spectrum and time-domain pulse spectrum of the optical frequency comb before and after filtering
Fig. 7. The RF spectrum of the filtered comb for Expt. Ⅰ and Ⅱ
Fig. 8. The RF spectrum of the filtered comb for Expt. Ⅱ and Ⅲ，and the FSR of the mode filter cavity was 1.75 GHz
Fig. 9. The RF spectrum of the filtered comb for Expt. Ⅳ
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Table 1. Four sets of experimental parameters for optical frequency comb filtering
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