Jin Wang, Meixin Feng, Rui Zhou, Qian Sun, Jianxun Liu, Yingnan Huang, Yu Zhou, Hongwei Gao, Xinhe Zheng, Masao Ikeda, Hui Yang. GaN-based ultraviolet microdisk laser diode grown on Si[J]. Photonics Research, 2019, 7(6): B32
- Photonics Research
- Vol. 7, Issue 6, B32 (2019)
Fig. 1. (a) Cross-sectional transmission electron microscopy (TEM) image, (b) double crystal X-ray rocking curves for the AlGaN (0002) and (101 ¯
Fig. 2. (a), (c) Schematics and (b), (d) SEM images of the (a), (b) microring LD and (c), (d) microdisk LDs with air-bridge electrodes.
Fig. 3. Schematic process flow of the microdisk LD structure with an air-bridge electrode.
Fig. 4. (a) EL spectra of the microdisk LD with a radius of 12 μm measured under various pulsed electrical currents. (b) FWHM of the EL spectra and integrated intensity of the EL spectra as a function of the injection current. The pulse width and repetition rate were 400 ns and 10 kHz, respectively.
Fig. 5. Threshold current, I th, as a function of the inner circle radius for the microring LDs with an outer circle radius, R
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20