Feng Zhang, Peili Li, Yang Liu, Cong Shen. High-Performance Microwave Frequency Comb Based on Cascaded MZM Optical Loop[J]. Chinese Journal of Lasers, 2019, 46(11): 1101006
- Chinese Journal of Lasers
- Vol. 46, Issue 11, 1101006 (2019)
Fig. 1. Diagram of high-performance MFC based on a cascaded MZM optical loop. (a) System structure;(b) principle of spectrum generation in optical loop
Fig. 2. Output spectrum of seed light passing through the cascaded MZM for the first time
Fig. 3. Results of stable output of cascaded MZM optical loop. (a) Spectrum; (b) spectrogram
Fig. 4. Results of the stable output of the cascaded MZM optical loop when the source power is -20 dBm, -15 dBm, and -10 dBm. (a)-(c) Spectra; (d)-(f) spectrograms
Fig. 5. Relationship between carrier-to-noise ratio and flatness of MFC when the power of the light source is -20 dBm-0 dBm
Fig. 6. Results of the stable output of the cascaded MZM optical loop when the line width is 0.01, 1, and 100 MHz. (a)-(c) Spectra; (d)-(f) spectrograms
Fig. 7. Results of the stable output of the cascaded MZM optical loop when the frequency of driving RF signal is 5, 10, and 20 GHz. (a)-(c) Spectra; (d)-(f) spectrograms
Fig. 8. Results of the stable output of the cascaded MZM optical loop under different responsiveness of PD. (a) 0.5 A/W; (b) 1 A/W; (c) 1.5 A/W
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