Ultracompact on-chip spectrometer based on high-index-contrast grating

Zekun Zheng; Kaiyu Cui; Xusheng Cai; Hongbo Zhu; Jian Xiong; Yidong Huang; Wei Zhang; Xue Feng; Liu Fang

doi:10.1364/ACPC.2020.M4A.36

Asia Communications and Photonics Conference/International Conference on Information Photonics and Optical Communications 2020 (ACP/IPOC)
OSA Technical Digest (Optica Publishing Group, 2020),
paper M4A.36
•https://doi.org/10.1364/ACPC.2020.M4A.36

Ultracompact on-chip spectrometer based on high-index-contrast grating

Zekun Zheng, Kaiyu Cui, Xusheng Cai, Hongbo Zhu, Jian Xiong, Yidong Huang, Wei Zhang, Xue Feng, and Liu Fang

Asia Communications and Photonics Conference 2020

Beijing China
24–27 October 2020
ISBN: 978-1-943580-82-8

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Z. Zheng, K. Cui, X. Cai, H. Zhu, J. Xiong, Y. Huang, W. Zhang, X. Feng, and L. Fang, "Ultracompact on-chip spectrometer based on high-index-contrast grating," in Asia Communications and Photonics Conference/International Conference on Information Photonics and Optical Communications 2020 (ACP/IPOC), K. Xu, D. Simeonidou, C. Chang-Hasnain, N. Wada, X. Ren, Z. Zhukov, P. Perry Shum, Y. Ji, J. Zhang, X. Zhou, C. Lu, and L. Wosinska, eds., OSA Technical Digest (Optica Publishing Group, 2020), paper M4A.36.

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Abstract

We proposed an ultracompact on-chip spectrometer based on high-index-contrast grating. Simulation results show that, optical spectra are reconstructed with resolution as high as 2 nm and a compact footprint of only 60 μm ×48 μm.

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