High-sensitive Bloch surface wave sensing with metasurface/photonic crystal structure

Weijing Kong; Wenhui Zhao; Xiaochang Ni

doi:10.1117/12.2603108

9 October 2021 High-sensitive Bloch surface wave sensing with metasurface/photonic crystal structure

Weijing Kong, Wenhui Zhao, Xiaochang Ni

Proceedings Volume 11894, Optoelectronic Devices and Integration X; 118941E (2021) https://doi.org/10.1117/12.2603108
Event: SPIE/COS Photonics Asia, 2021, Nantong, JS, China

Conference Poster

Abstract

ere we report a high-sensitive Bloch surface wave sensor by integrating a graphene metasurface and a truncated one dimensional (1D) photonic crystal (PC) multilayer structure. The device is configured to be able to excite BSW mode accompanied with a sharp resonance dip, aiming at greatly enhanced sensing performance of the device structure. The sensing capability of the proposed sensor device is theoretically evaluated by investigating the excited mode properties. The result shows that the graphene metasurface coated Bloch surface wave sensor can reach superior detection sensitivity, thus could offer an obvious promotion for improving the performance of Bloch surface wave based sensing applications.

Citation Download Citation

Weijing Kong, Wenhui Zhao, and Xiaochang Ni "High-sensitive Bloch surface wave sensing with metasurface/photonic crystal structure", Proc. SPIE 11894, Optoelectronic Devices and Integration X, 118941E (9 October 2021); https://doi.org/10.1117/12.2603108

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