On-chip high-sensitivity ultrasound detector based on the high-Q bound states in the continuum in chalcogenide glass photonic crystal slab

Yaoming Feng; Lei Wan; Tianhua Feng; Ying Zhu; Jingshun Pan; Qiang Li; Zhenshi Chen; Zhaohui Li; Zhaohui Li

doi:10.1364/OECC.2021.JS3F.6

26th Optoelectronics and Communications Conference
OSA Technical Digest (Optica Publishing Group, 2021),
paper JS3F.6
•https://doi.org/10.1364/OECC.2021.JS3F.6

On-chip high-sensitivity ultrasound detector based on the high-Q bound states in the continuum in chalcogenide glass photonic crystal slab

Yaoming Feng, Lei Wan, Tianhua Feng, Ying Zhu, Jingshun Pan, Qiang Li, Zhenshi Chen, and Zhaohui Li

Optoelectronics and Communications Conference 2021

Hong Kong China
3–7 July 2021
ISBN: 978-1-943580-92-7

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Poster Session VI: Optical Sensing, Measurement and Imaging (JS3F)

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Y. Feng, L. Wan, T. Feng, Y. Zhu, J. Pan, Q. Li, Z. Chen, and Z. Li, "On-chip high-sensitivity ultrasound detector based on the high-Q bound states in the continuum in chalcogenide glass photonic crystal slab," in 26th Optoelectronics and Communications Conference, P. Alexander Wai, H. Tam, and C. Yu, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper JS3F.6.

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Abstract

We present a novel on-chip ultrasound detector based on the high-Q bound states in the continuum (BIC) in the chalcogenide glass photonic crystal slab (ChG-PCS) with high sensitivity of 84.9 pm · MPa⁻¹ and 3-dB bandwidth of 670 MHz.

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