The effect of antireflection coating on the characteristics of wideband silicon avalanche photodetectors

Hongling Peng; Chunxu Song; Tiancai Wang; Jiaqi Wei; Peng Cao; Jie Deng; Jian Chen; Wanhua Zheng

doi:10.1117/12.3021810

18 March 2024 The effect of antireflection coating on the characteristics of wideband silicon avalanche photodetectors

Hongling Peng, Chunxu Song, Tiancai Wang, Jiaqi Wei, Peng Cao, Jie Deng, Jian Chen, Wanhua Zheng

Proceedings Volume 13104, Advanced Fiber Laser Conference (AFL2023); 1310414 (2024) https://doi.org/10.1117/12.3021810
Event: Advanced Fiber Laser Conference (AFL2023), 2023, Shenzhen, China

Abstract

Wideband detectors are becoming more and more widely used. In order to expand the response wavelength of silicon detectors, single-layer and double-layer antireflection coatings are used, and combined with the high gain characteristics of silicon avalanche photodetectors (APDs), their response band is extended to the range of 250-1100nm. Simulation analysis shows that the double layer antireflection coating has larger infrared enhancement than the single layer anti reflection coating. The Si APD with this structure can achieve high response from UV 250nm to 1100nm with multiplication, enabling efficient detection in the UV-visible-near-infrared band.

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

Citation Download Citation

Hongling Peng, Chunxu Song, Tiancai Wang, Jiaqi Wei, Peng Cao, Jie Deng, Jian Chen, and Wanhua Zheng "The effect of antireflection coating on the characteristics of wideband silicon avalanche photodetectors", Proc. SPIE 13104, Advanced Fiber Laser Conference (AFL2023), 1310414 (18 March 2024); https://doi.org/10.1117/12.3021810

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