Zhonghua Xie, Hongwei Qu, Xuyan Zhou, Jianxin Zhang, Jiatong Sui, Fansheng Meng, Kai Gong, Meiyin Zheng, Hailing Wang, Yufei Wang, Aiyi Qi. Polarization Characteristics of Vertical Cavity Surface Emitting Laser with Elliptical Oxidation Aperture[J]. Chinese Journal of Lasers, 2024, 51(6): 0601008
- Chinese Journal of Lasers
- Vol. 51, Issue 6, 0601008 (2024)
Fig. 1. 2D model and its light field distributions. (a) Distribution of outgoing light field; (b) internal light field distribution
Fig. 2. Resonance intensities in active region under different oxide apertures
Fig. 3. Resonance spectral characteristics under different oxide apertures. (a) Resonant frequency; (b) resonant light intensity
Fig. 4. Relationship between oxidation aperture and time under different temperature conditions
Fig. 5. Image processing of oxidation apertures. (a) Oxidation apertures captured by infrared cameras; (b) enlarged view of oxidation aperture; (c) color matrix of image; (d) ellipse obtained by fitting
Fig. 6. Nonlinear fitting diagram of relationship between ellipticity of oxidation aperture and its long axial diameter at different temperatures
Fig. 7. P-I-V curves of different VCSEL devices. (a) D1; (b) D2; (c) D3
Fig. 8. Schematic of testing methods for SMSR and OPSR
Fig. 9. Spectral testing results of different VCSEL devices. (a) D1; (b) D2; (c) D3
Fig. 10. Wavelength drift
Fig. 11. SMSR test results
Fig. 12. OPSR test results
Fig. 13. Line width of D2 at 85 ℃ and 1.5 mA
Fig. 14. Rotation of main polarization direction angle
| ||||||||||||||||||||||||||||||||||||||||||||
Table 1. Comparison of VCSEL performance parameters (current of 1.5 mA)
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