Yufeng Gong, Xiaochao Wang, Yanghui Tang, Shouying Xu, Shenlei Zhou. Phase Modulation Research on Variable Spectral Width Based on Digital Pulse Shaping Technology[J]. Chinese Journal of Lasers, 2021, 48(20): 2005003
- Chinese Journal of Lasers
- Vol. 48, Issue 20, 2005003 (2021)
Fig. 1. Schematic diagram of φ'1(t) changing with time
Fig. 2. Schematic diagram of φ'2(t) changing with time
Fig. 3. Schematic diagram of spectral change experimental device for specific phase modulation
Fig. 4. Schematic diagram of spectral broadening obtained by changing the relative position of pulsed light and modulated signal
Fig. 5. Spectrum images obtained by CCD for f1(t)-modulating at different time. (a) t=1 ps; (b) t=664 ps; (c) t=1245 ps; (d) t=1826 ps; (e) t=2407 ps; (f) t=2988 ps
Fig. 6. Spectrum width of f1(t)-modulated pulsed light
Fig. 7. Spectrum width of f2(t)-modulated pulsed light
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