Gu Jianbiao, Zhu Funan, Liu Lei, Zhao Siwei, Wei Fang, Li Xuan, Zhu Ren, Hou Xia, Chen Weibiao. 1550 nm Laser Source with Narrow Linewidth and High Tuning Bandwidth[J]. Chinese Journal of Lasers, 2019, 46(9): 901003
- Chinese Journal of Lasers
- Vol. 46, Issue 9, 901003 (2019)
Fig. 1. Comparison of light intensity of each sideband under electro-optic modulation.(a) Intensity modulation; (b) phase modulation
Fig. 2. Influences of laser linewidth and phase-locked loop bandwidth on phase-locked error
Fig. 3. System scheme diagram
Fig. 4. Diagram of fiber grating temperature feedback control system
Fig. 5. Grating transmission spectrum
Fig. 6. Test results of fiber Bragg grating bandwidth. (a) Oscilloscope graphic; (b) wavelength meter graphic
Fig. 7. Measured laser spectra. (a) Laser spectrum after electro-optic modulation; (b) laser spectrum after fiber grating
Fig. 8. Diagram of grating temperature feedback control
Fig. 9. Measured intensity noise curves. (a) Intensity noise of RIO laser; (b) intensity noise of system
Fig. 10. Measure tuning bandwidth curves. (a) Amplitude-frequency response curve; (b) phase-frequency response curve
Fig. 11. Linewidth of laser source
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