Yanwei GAO, Yujun ZHANG, Haiqiu LIU, Huimin MA. Design and experiment of semiconductor laser drive control circuit[J]. Chinese Journal of Quantum Electronics, 2023, 40(5): 684
- Chinese Journal of Quantum Electronics
- Vol. 40, Issue 5, 684 (2023)
Fig. 1. Functional block diagram of laser
Fig. 2. Schematic diagram of driving current circuit
Fig. 3. Schematic diagram of temperature control circuit
Fig. 4. Test results of injection current stability
Fig. 5. Test results of operating temperature stability
Fig. 6. (a) Laser temperature tuning characteristic; (b) Laser current tuning characteristic
Fig. 7. Short term test results of laser output wavelength
Fig. 8. Test results of laser operating temperature and injection current
Fig. 9. Test results of laser output wavelength
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