Yuan Xu, Shiqin Wei, Pengfei Zhang, Yao Wang, Fang Wang, Yuhuai Liu. Deep-Ultraviolet Laser-Diode Radiation Recombination Properties Based on Double-Concave Waveguide Layers[J]. Laser & Optoelectronics Progress, 2023, 60(15): 1514007
- Laser & Optoelectronics Progress
- Vol. 60, Issue 15, 1514007 (2023)
Fig. 1. Structure diagrams.(a) Structure diagram of DUV-LDs; (b) structure diagram of four different waveguide layers
Fig. 2. Simulated Landsberg model gain of DUV LDs
Fig. 3. Energy band diagrams of four structures
Fig. 4. MQW region. (a) Electron concentration distribution; (b) hole concentration distribution; (c) radiation recombination rate distribution
Fig. 5. Simulation results.(a) I-P curves for LD2 and LD3; (b) optical field distributions for LD2 and LD3
Fig. 6. Different LWG structures.(a) Schematic diagrams of four different LWG structures; (b) hole concentrations of seven LWG structures in p-CL region
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