Hong Liang, Fang Wei, Yanguang Sun, Guangwei Sun, Haiwen Cai. A 1310 nm Band Narrow Linewidth Hybrid Integrated External Cavity Semiconductor Laser Based on Fiber Bragg Gratings[J]. Chinese Journal of Lasers, 2021, 48(20): 2001002
- Chinese Journal of Lasers
- Vol. 48, Issue 20, 2001002 (2021)
Fig. 1. Schematic diagrams. (a) Schematic diagram of ECDL; (b) principle of FBG optical negative feedback; (c) structure diagram of FBG packaged with V-groove substrate; (d) overall structure diagram of ECDL; (e) ECDL with butterfly package; (f) 1310 nm ECDL module
Fig. 2. Characteristics of the 1310 nm ECDL. (a) PI curve; (b) output spectrum
Fig. 3. Current tuning characteristic of the 1310 nm ECDL
Fig. 4. Linewidth of 1310 nm ECDL. (a) Spectrum diagram of measured linewidth; (b) measured linewidth under different operating currents
Fig. 5. Frequency and power stability of the 1310 nm external cavity semiconductor laser
Fig. 6. Schematic diagram of piezoelectric ceramic transducer disturbance experiment
Fig. 7. Results of piezoelectric ceramic disturbance experiments under different disturbance signal amplitudes. (a1)(b1) 50 mV; (a2)(b2) 100 mV; (a3)(b3) 150 mV
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