Lin Jiang, Wei Li, Yinghan Li, Linghao Cheng. Bi-Directional Narrow Pulse Modulation and Extinction Ratio Analysis of Semiconductor Optical Amplifier[J]. Laser & Optoelectronics Progress, 2023, 60(1): 0106005
- Laser & Optoelectronics Progress
- Vol. 60, Issue 1, 0106005 (2023)
Fig. 1. Principle of the SOA modulation pulse
Fig. 2. Structure of bi-directional SOA system
Fig. 3. Experiment structure of bi-directional amplification SOA system
Fig. 4. Modulated pulse light between double-pass and single-pass SOAs
Fig. 5. Pulse gain between double-pass and single-pass SOAs
Fig. 6. Gain curve of a bidirectional SOA system. (a) Relationship between gain and pulse width; (b) relationship between gain and pump current
Fig. 7. Experimental structure of SOA absorption characteristics. (a) Unidirectional absorption; (b) bi-directional absorption
Fig. 8. Detection results of circulator port 3 when SOA is connected with or without FOM
Fig. 9. Pulsed light gain of bi-directional absorption and unidirectional absorption SOA systems
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