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3 October 2022 Quasi-bound states in the continuum enhanced wavelength conversion in lossy chalcogenide metasurfaces (Conference Presentation)
Jiannan Gao, Maria A. Vincenti, Jesse A. Frantz, Anthony R. Clabeau, Xingdu Qiao, Liang Feng, Michael Scalora, Natalia M. Litchinitser
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Proceedings Volume PC12195, Metamaterials, Metadevices, and Metasystems 2022; PC121950U (2022) https://doi.org/10.1117/12.2632778
Event: SPIE Nanoscience + Engineering, 2022, San Diego, California, United States
Abstract
We experimentally demonstrate near-infrared to ultraviolet (UV) wavelength conversion in an As2S3-based metasurface that is strongly enhanced by the excitation of a quasi-bound states in the continuum resonance near 1064 nm. We report the all-optical, ultrafast tunability of the QBIC resonance and the third harmonic induced by Kerr effects. These results give rise to a range of novel applications for UV sensors and lasers.
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Jiannan Gao, Maria A. Vincenti, Jesse A. Frantz, Anthony R. Clabeau, Xingdu Qiao, Liang Feng, Michael Scalora, and Natalia M. Litchinitser "Quasi-bound states in the continuum enhanced wavelength conversion in lossy chalcogenide metasurfaces (Conference Presentation)", Proc. SPIE PC12195, Metamaterials, Metadevices, and Metasystems 2022, PC121950U (3 October 2022); https://doi.org/10.1117/12.2632778
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KEYWORDS
Chalcogenides
Chalcogenide glass
Ultraviolet radiation
Mode locking
Nanophotonics
Nonlinear optics
Radio propagation
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