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1 August 2021 Hot-carrier enabled nonlinear nanophotonics
Wenshan Cai
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Proceedings Volume 11796, Active Photonic Platforms XIII; 117962I (2021) https://doi.org/10.1117/12.2593809
Event: SPIE Nanoscience + Engineering, 2021, San Diego, California, United States
Abstract
The dynamics of plasmonically induced hot carriers offers a novel route to nonlinear optical effects. In this Keynote lecture, we elucidate how to leverage the generation, transport, and relaxation of hot carriers for externally triggered nonlinear optical properties in nanophotonic structures. Examples to be presented include the ultrafast control of light via hot-electron modulated optical Kerr effect, and ultrafast conversion of a statically-passive dielectric to a transient second-order nonlinear medium upon the creation and transfer of hot carriers. The methodology described here can be extended to various material systems, enabling a new class of “material-by-design” for nonlinear optical effects.
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Wenshan Cai "Hot-carrier enabled nonlinear nanophotonics", Proc. SPIE 11796, Active Photonic Platforms XIII, 117962I (1 August 2021); https://doi.org/10.1117/12.2593809
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KEYWORDS
Nanophotonics
Nonlinear optics
Ultrafast phenomena
Dielectrics
Kerr effect
Modulation
Transient nonlinear optics
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