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We have recently demonstrated extremely high second-order and third-order susceptibilities at near-infrared frequencies in ultrathin-metal/dielectric heterostructures, both of which are a few orders of magnitude higher than those of classic plasmonic materials. In this talk, we will present our recent efforts on quantum engineering of these plasmonic heterostructures for achieving extreme optical nonlinearities.
Shilong Li,Haoliang Qian, andZhaowei Liu
"Quantum engineering of ultrathin metal films for nonlinear plasmonics", Proc. SPIE 11462, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XVIII, 1146216 (20 August 2020); https://doi.org/10.1117/12.2568951
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Shilong Li, Haoliang Qian, Zhaowei Liu, "Quantum engineering of ultrathin metal films for nonlinear plasmonics," Proc. SPIE 11462, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XVIII, 1146216 (20 August 2020); https://doi.org/10.1117/12.2568951