Xiaomei GAO, Yuting SHU, Jingyuan LIANG, Huiqin WANG, Li ZHAO, Peng SONG, Xizheng KE. Research Progress of Communication Laser and Its Modulation Technology[J]. Study On Optical Communications, 2024, 50(2): 22004801
- Study On Optical Communications
- Vol. 50, Issue 2, 22004801 (2024)
![Frequency response curve under the influence of different parameters of relaxation oscillation[36]](/richHtml/gtxyj/2024/50/2/22004801/img_01.jpg)
Fig. 1. Frequency response curve under the influence of different parameters of relaxation oscillation[36]
![Frequency response curve of DH-LD affected by different package parasitic parameters[36]](/richHtml/gtxyj/2024/50/2/22004801/img_02.jpg)
Fig. 2. Frequency response curve of DH-LD affected by different package parasitic parameters[36]
![Impulse response curve under the influence of different parameters of relaxation oscillation [35]](/Images/icon/loading.gif){kind=icon}
Fig. 3. Impulse response curve under the influence of different parameters of relaxation oscillation [35]
Fig. 4. P-I characteristic curves with DH-LD[35]
Fig. 5. P-I characteristic curves with different temperatures[35]
Fig. 6. CINR study under turbulence[38]
Fig. 7. CINR under various carrier numbers[38]
Fig. 8. Maximum CINR under different nonlinear coefficients[38]
Fig. 9. Time domain waveform after LD and predistortion[39]
Fig. 10. Spectrum before and after predistortion[39]
Fig. 11. Power spectrum before and after predistortion[39]
Fig. 12. Constellation before and after predistortion[39]
Fig. 13. Overall system block diagram[40]
Fig. 14. Output optical power of APC in open loop and closed loop[40]
Fig. 15. Output power of APC and ATC working[40]
Fig. 16. Temperature variation curve under ATC operation[40]
Fig. 17. Block diagram of high-speed internal modulation circuit[41]
Fig. 18. Structure diagram of electro-optic experimental system
Fig. 19. Trend of refractive index of o and e light with temperature T[43]
Fig. 20. Variation trend of longitudinal modulated output light intensity and temperature T[43]
Fig. 21. Transverse modulation output light intensity and temperature T change curve[43]
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Table 1. Comparison of properties of common communication light sources in optical communication[2]
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Table 2. Research progress of lasers at home and abroad
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Table 3. Difference between the internal and external modulation[14]
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Table 4. Research progress of internal modulation technology at home and abroad
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Table 5. Research progress of external modulation technology at home and abroad
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