中国科学院长春光学精密机械与物理研究所

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	Slow-light-enhanced on-chip 1D and 2D photonic crystal waveguide gas sensing in near-IR with an ultrahigh interaction factor
	Z. Peng, Y. Huang, K. Zheng, C. Zheng, M. Pi, H. Zhao, J. Ji, Y. Min, L. Liang, F. Song, Y. Zhang, Y. Wang and F. K. Tittel
	2023
发表期刊	Photonics Research
ISSN	23279125
卷号	11期号:10页码:1647-1655
摘要	Nanophotonic waveguides hold great promise to achieve chip-scale gas sensors. However, their performance is limited by a short light path and small light–analyte overlap. To address this challenge, silicon-based, slow-light-enhanced gas-sensing techniques offer a promising approach. In this study, we experimentally investigated the slow light characteristics and gas-sensing performance of 1D and 2D photonic crystal waveguides (PCWs) in the near-IR (NIR) region. The proposed 2D PCW exhibited a high group index of up to 114, albeit with a high propagation loss. The limit of detection (LoD) for acetylene (C2H2) was 277 parts per million (ppm) for a 1 mm waveguide length and an averaging time of 0.4 s. The 1D PCW shows greater application potential compared to the 2D PCW waveguide, with an interaction factor reaching up to 288%, a comparably low propagation loss of 10 dB/cm, and an LoD of 706 ppm at 0.4 s. The measured group indices of the 2D and 1D waveguides are 104 and 16, respectively, which agree well with the simulation results. © 2023 Chinese Laser Press.
DOI	10.1364/PRJ.494762
URL	查看原文
收录类别	ei
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文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/67790
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	Z. Peng, Y. Huang, K. Zheng, C. Zheng, M. Pi, H. Zhao, J. Ji, Y. Min, L. Liang, F. Song, Y. Zhang, Y. Wang and F. K. Tittel. Slow-light-enhanced on-chip 1D and 2D photonic crystal waveguide gas sensing in near-IR with an ultrahigh interaction factor[J]. Photonics Research,2023,11(10):1647-1655.
APA	Z. Peng, Y. Huang, K. Zheng, C. Zheng, M. Pi, H. Zhao, J. Ji, Y. Min, L. Liang, F. Song, Y. Zhang, Y. Wang and F. K. Tittel.(2023).Slow-light-enhanced on-chip 1D and 2D photonic crystal waveguide gas sensing in near-IR with an ultrahigh interaction factor.Photonics Research,11(10),1647-1655.
MLA	Z. Peng, Y. Huang, K. Zheng, C. Zheng, M. Pi, H. Zhao, J. Ji, Y. Min, L. Liang, F. Song, Y. Zhang, Y. Wang and F. K. Tittel."Slow-light-enhanced on-chip 1D and 2D photonic crystal waveguide gas sensing in near-IR with an ultrahigh interaction factor".Photonics Research 11.10(2023):1647-1655.

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