Bound states in the continuum in all-plasmonic metasurfaces

Yao Liang; Kirill Koshelev; Mu-Ku Chen; Yuri Kivshar; Din Ping Tsai

doi:10.1117/12.2632287

3 October 2022 Bound states in the continuum in all-plasmonic metasurfaces

Yao Liang, Kirill Koshelev, Mu-Ku Chen, Yuri Kivshar, Din Ping Tsai

Proceedings Volume PC12197, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XX; PC121970J (2022) https://doi.org/10.1117/12.2632287
Event: SPIE Nanoscience + Engineering, 2022, San Diego, California, United States

Abstract

Metal nanostructures are very lossy when they interact with light, which hinders their use in optics and photonics requiring sharp resonances. Here, we will show that employing the physics of bound states in the continuum (BICs) in all-plasmonic metasurfaces can significantly reduce/eliminate the dissipation/radiation loss in metal nanostructures, resulting in high quality-factor (Q-factor) resonances. Also, we will show that butterfly-wings-inspired plasmonic structures can support high-Q surface lattice resonances under focused light excitation. These results allow for various applications requiring compact footprint with strong-light matter interaction in nanoscales, such as lasing and quantum detection.

Conference Presentation

Citation Download Citation

Yao Liang, Kirill Koshelev, Mu-Ku Chen, Yuri Kivshar, and Din Ping Tsai "Bound states in the continuum in all-plasmonic metasurfaces", Proc. SPIE PC12197, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XX, PC121970J (3 October 2022); https://doi.org/10.1117/12.2632287

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