Laser & Optoelectronics Progress, Volume. 60, Issue 7, 0723001(2023)
Optimization of Deep Ultraviolet Laser Diode with Monotonic Compositionally Graded Hole Reservoir Layer and Symmetric Compositionally Graded Hole Blocking Layer
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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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
Category: Optical Devices
Received: Jan. 20, 2022
Accepted: Mar. 5, 2022
Published Online: May. 24, 2023
The Author Email: Wang Fang (iefwang@zzu.edu.cn), Liu Yuhuai (ifyhliu@zzu.edu.cn)