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Resonance Splitting and Enhanced Optical Nonlinearities in ITO-Based Epsilon-Near-Zero Metasurface with Cross-Shaped Nanoantennas

机译:带有交叉形纳米天线的基于ITO的Epsilon-近零超颖表面的共振分裂和增强的光学非线性

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摘要

We experimentally demonstrate a strong-coupling-induced resonance splitting in indium-tin-oxide (ITO) based epsilon-near-zero (ENZ) metasurface with cross-shaped nanoantennas. An ~11-nm blue shift of the carrier wavelength is observed for this metasurface under ~4-GW/cm2peak-power density.
机译:我们实验证明了在具有交叉形状的纳米天线的基于铟锡氧化物(ITO)的ε近零(ENZ)超表面上的强耦合诱导的共振分裂。在〜4-GW / cm下,该超颖表面的载流子波长发生了约11nm的蓝移 2 峰值功率密度。

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