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Enhance Nonlinear Response of Dielectric Polaritonic Metasurface coupled to Lattice Resonance

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Abstract

We report giant nonlinear response and relaxed intensity saturation for second-harmonic-generation (SHG) from nonlinear dielectric polaritonic metasurfaces. Experimentally, 21 mW of SHG peak power and 0.37% of SHG conversion efficiency at 10.55 μm were achieved.

© 2023 The Author(s)

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