Chuanyang Yu, Xinye Fan, Wenjing Fang, Hening Zhao, Liping Bi, Lantao Liu. Design of Polarization Beam Splitter Based on Al0.9Ga0.1As/Al2O3 Subwavelength Grating[J]. Laser & Optoelectronics Progress, 2022, 59(13): 1305001
- Laser & Optoelectronics Progress
- Vol. 59, Issue 13, 1305001 (2022)
Fig. 1. Distribution of the periodic SWG
Fig. 2. Diagram of the relationship between the transmittance (reflection) rate, period, and duty cycle. (a) TM polarized light; (b) TE polarized light
Fig. 3. Reflectance spectrum of the PBS
Fig. 4. Variation curve of XER with incident wavelength
Fig. 5. Schematic diagram of the simulation area
Fig. 6. Electric field distribution diagram. (a) TM polarized light; (b) TE polarized light
Fig. 7. Effect of the incident angle on the performance of PBS. (a) Reflectivity; (b) polarization extinction ratio
Fig. 8. Influence of grating structure parameters on reflection spectrum. (a) Thickness; (b) period; (c) duty cycle
Fig. 9. Influence of grating structure parameters on XER. (a) Thickness; (b) period; (c) duty cycle
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