Mid-infrared subwavelength grating coupler

Weicheng Chen; Weicheng Chen; Dian Wan; Dian Wan; Jiaqi Wang; Zou Yi; Zhenzhou Cheng; Zhenzhou Cheng; Tiegen Liu; Tiegen Liu

doi:10.1364/ACPC.2021.T4A.190

Asia Communications and Photonics Conference 2021
Technical Digest Series (Optica Publishing Group, 2021),
paper T4A.190
•https://doi.org/10.1364/ACPC.2021.T4A.190

Mid-infrared subwavelength grating coupler

Weicheng Chen, Dian Wan, Jiaqi Wang, Zou Yi, Zhenzhou Cheng, and Tiegen Liu

Asia Communications and Photonics Conference 2021

Shanghai China
24–27 October 2021
ISBN: 978-1-957171-00-5

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W. Chen, D. Wan, J. Wang, Z. Yi, Z. Cheng, and T. Liu, "Mid-infrared subwavelength grating coupler," in Asia Communications and Photonics Conference 2021, C. Chang-Hasnain, A. Willner, W. Shieh, P. Shum, Y. Su, G. Li, B. Eggleton, R. Essiambre, D. Dai, and D. Ma, eds., Technical Digest Series (Optica Publishing Group, 2021), paper T4A.190.

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Abstract

We demonstrated a focusing subwavelength grating coupler which has a maximum coupling efficiency of -9.7 dB at a center wavelength of 2.47 μm with a 1-dB bandwidth of 60 nm.

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