Gangyi ZHU, Bo NING, Guoqing QIU, Chunxiang GUO, Ying YANG, Xin LI, Binghui LI, Zheng SHI, Jun DAI, Feifei QIN, Yongjin WANG. InGaN/GaN Quantum Well LED Based on Floating Microdisk Cavity[J]. Acta Photonica Sinica, 2024, 53(5): 0553116
- Acta Photonica Sinica
- Vol. 53, Issue 5, 0553116 (2024)
Fig. 1. Fabrication process of floating InGaN/GaN QW microdisk devices，the finally structures of device I，II and III are shown in the box
Fig. 2. SEM images of InGaN/GaN QW devices
Fig. 3. EL spectra under the different injection currents，inset shows the enlarged spectra under 2 mA and luminous images of three types of devices
Fig. 4. Electrical and spectral detail characteristics of different devices
Fig. 5. The surface current distribution simulation of two types of microdisks
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