Fig. 1. Schematic of electro-optic waveguide light intensity modulator

Fig. 2. Schematic of amplitude modulator operating in the pulse mode

Fig. 3. Relationship between light intensity output of intensity modulator and electric pulse input. (a) Without DC bias voltage; (b) with DC bias voltage; (c) DC bias voltage drifting

Fig. 4. Schematic of automatic bias control circuit

Fig. 5. Experimental setup of all-fiber laser pulse generation system

Fig. 6. Output of laser shaped pulses with different time waveforms. (a) Exponent shape; (b) multi-step shape; (c) fence shape; (d) dual shape

Fig. 7. Output laser shaped pulses with high contrast ratio