Broadband silicon nitride arbitrary ratio power splitters

Hanmeng Li; Wenhao Zhai; Zhihui Li; Yuxin Liang; Junbo Feng

doi:10.1117/12.3045652

13 December 2024 Broadband silicon nitride arbitrary ratio power splitters

Hanmeng Li, Wenhao Zhai, Zhihui Li, Yuxin Liang, Junbo Feng

Author Affiliations +

Proceedings Volume 13499, AOPC 2024: Optical Devices and Integration; 1349909 (2024) https://doi.org/10.1117/12.3045652
Event: Applied Optics and Photonics China 2024 (AOPC2024), 2024, Beijing, China

Abstract

We design a type of broadband Silicon Nitride (SiN) power splitters with various split ratios using shortcuts to adiabaticity (STA) technique to ensure the compactness and performance of the device. The decoupled system states are employed in the double-waveguides system to guarantee the approximate adiabatic evolution and the desired split ratios are implemented by manipulating the boundary conditions. The devices show broadband response for a wide wavelength range from 1260 to 1360 nm and have excellent robustness against fabrication errors in our simulations.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Hanmeng Li, Wenhao Zhai, Zhihui Li, Yuxin Liang, and Junbo Feng "Broadband silicon nitride arbitrary ratio power splitters", Proc. SPIE 13499, AOPC 2024: Optical Devices and Integration, 1349909 (13 December 2024); https://doi.org/10.1117/12.3045652

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KEYWORDS

Waveguides

Silicon nitride

Fabrication

Design

Simulations

Wave propagation

Engineering

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