Compact Silicon-Arrayed Waveguide Gratings with Low Nonuniformity
Abstract
:1. Introduction
2. Theory and Design
3. Measurements and Discussion
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Parameter | Symbol | Value | Units |
---|---|---|---|
Channel spacing | Δλ | 1.6 | nm |
Central wavelength | λc | 1549.3 | nm |
Length increment | ΔL | 28.29 | μm |
Number of input/output channels | Ni/No | 1/8 | |
Spacing of input/output waveguide | di/do | 2.7 | μm |
Spacing of array waveguides | da | 1.7 | μm |
Diffraction order | m | 43 | |
Gap between adjacent tapers | ga | 0.2 | μm |
Length of the tapers | Lt | 5 | μm |
Diameter of Rowland circle | D | 103 | μm |
Waveguide width | w | 0.45 | μm |
Parameter | Simulation | Measurement | Units |
---|---|---|---|
Central wavelength | 1549.3 | 1550.09 | nm |
Insertion loss | 3.17 | 4.18 | dB |
Crosstalk | −15.28 | −12.68 | dB |
Nonuniformity | 0.627 | 0.494 | dB |
3-dB bandwidth | 1.08 | 1.22 | dB |
FSR | 19.42 | 19.4 | nm |
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Yang, C.; Zhou, Z.; Gao, X.; Xu, Z.; Han, S.; Chong, Y.; Min, R.; Yue, Y.; Duan, Z. Compact Silicon-Arrayed Waveguide Gratings with Low Nonuniformity. Sensors 2024, 24, 5303. https://doi.org/10.3390/s24165303
Yang C, Zhou Z, Gao X, Xu Z, Han S, Chong Y, Min R, Yue Y, Duan Z. Compact Silicon-Arrayed Waveguide Gratings with Low Nonuniformity. Sensors. 2024; 24(16):5303. https://doi.org/10.3390/s24165303
Chicago/Turabian StyleYang, Chengkun, Zhonghao Zhou, Xudong Gao, Zhengzhu Xu, Shoubao Han, Yuhua Chong, Rui Min, Yang Yue, and Zongming Duan. 2024. "Compact Silicon-Arrayed Waveguide Gratings with Low Nonuniformity" Sensors 24, no. 16: 5303. https://doi.org/10.3390/s24165303