Aoxiang Zhang, Pengfei Zhang, Liya Jia, Muhammad Nawaz Sharif, Fang Wang, Yuhuai Liu. Optimization of Deep Ultraviolet Laser Diode with Monotonic Compositionally Graded Hole Reservoir Layer and Symmetric Compositionally Graded Hole Blocking Layer[J]. Laser & Optoelectronics Progress, 2023, 60(7): 0723001
- Laser & Optoelectronics Progress
- Vol. 60, Issue 7, 0723001 (2023)
Fig. 1. Structure diagrams. (a) Structure A; (b) structure B
Fig. 2. Structure diagrams. (a) MCG-HRL; (b) SCG-HBL
Fig. 3. Schematic diagrams of aluminum composition change. (a) MCG-HRL; (b) SCG-HBL
Fig. 4. Energy band diagrams and quasi-Fermi energy level diagrams. (a) Structure A; (b) structure B; (c) structure C; (d) structure D
Fig. 5. Hole concentration in QWs and hole leakage in n-type regions of four structures
Fig. 6. Radiation recombination rates in QWs of four structures
Fig. 7. I-V curves of four structures
Fig. 8. Electro-optical conversion efficiency of four structures
Fig. 9. P-I curves of four structures
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