Design of Low Loss Silicon Waveguide Bend with Width and Curvature Variations

Table 1. Optimum w_max values of bent optical waveguides Ⅰ and Ⅱ with different R₀
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Table 1. Optimum w_max values of bent optical waveguides Ⅰ and Ⅱ with different R₀
R₀/μm Ⅰ w_max/μm Ⅱ w_max/μm
2 0.625 0.56
3 0.675 0.55
4 0.7 0.54
5 0.7 0.54

Table 2. Loss of silicon-based single mode bent optical waveguide

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Table 2. Loss of silicon-based single mode bent optical waveguide

R₀/μm	Bend loss（dB/90°）
R₀/μm	Circular bend	Euler bend	Euler-circular bend	Bezier bend	Waveguide Ⅰ	Waveguide Ⅱ
2	0.034 7	0.061 0	0.030 8	0.015 1	0.005 6	0.024 8
3	0.014 2	0.007 6	0.004 3	0.004 3	0.001 9	0.004 6
4	0.007 9	0.004 6	0.001 7	0.001 1	0.001 0	0.000 6
5	0.005 0	0.003 4	0.002 7	0.002 4	0.000 7	0.000 5

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Yue ZHOU, Yaohui SUN, Haoyu WU, Mengjia LU, Guohua HU, Binfeng YUN, Yiping CUI. Design of Low Loss Silicon Waveguide Bend with Width and Curvature Variations[J]. Acta Photonica Sinica, 2023, 52(8): 0823002

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Paper Information

Category: Optical Device

Received: Jan. 15, 2023

Accepted: Apr. 4, 2023

Published Online: Sep. 26, 2023

The Author Email: YUN Binfeng (ybf@seu.edu.cn)

DOI:10.3788/gzxb20235208.0823002

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Optimum wmax values of bent optical waveguides Ⅰ and Ⅱ with different R0

Table 1. Optimum wmax values of bent optical waveguides Ⅰ and Ⅱ with different R0

Table 2. Loss of silicon-based single mode bent optical waveguide

Table 2. Loss of silicon-based single mode bent optical waveguide

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Table 1. Optimum w_max values of bent optical waveguides Ⅰ and Ⅱ with different R₀

Table 1. Optimum w_max values of bent optical waveguides Ⅰ and Ⅱ with different R₀