Ju Wang, Daxing Rao, Ruijing He, Yanqi Gao, Yong Cui, Xiaohui Zhao, Haitao Shi, Zhan Sui, Changqing Huang. Influence of amplitude modulator on time-frequency characteristics of broadband low coherence light[J]. High Power Laser and Particle Beams, 2023, 35(5): 052001
- High Power Laser and Particle Beams
- Vol. 35, Issue 5, 052001 (2023)
Fig. 1. Schematic diagram of M-Z lithium niobate amplitude modulator
Fig. 2. Broadband low-coherent light experimental service
Fig. 3. SLD light source spectrum
Fig. 4. The electrical pulse loaded on the amplitude modulator is compared with the output light pulse of the amplitude modulator
Fig. 5. Modulator output light spectra
Fig. 6. Relationship between bias voltage and output light power
Fig. 7. Relationship between modulator bias voltage and output electrical pulse
Fig. 8. Effect of modulator bias voltage on light intensity
Fig. 9. Spectra of output light with different modulator bias voltages
Fig. 10. Complex coherence curves of output optical pulses under different bias voltages when the RF coefficient of the modulator is 0.46
Fig. 11. Influence of AM bias voltage on the temporal coherence when the RF coefficient of the modulator is 0.46
Fig. 12. Complex coherence curves of output optical pulses with different RF coefficients when the bias voltage is 2.475 V
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