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Plasmonics: nonlinear optics, negative phase and transformable transparency

机译:等离子:非线性光学,反相和可变换的透明度

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The feasibilities and specific features of coherent nonlinear-optical energy transfer from control fields to a negative-phase signal are studied, and they are found to stem from the backwardness of electromagnetic waves inherent to negative-index metamaterials. Plasmonic metamaterials that possess negative group velocity for light waves promise a revolutionary breakthrough in nanophotonics. However, strong absorption inherent to such metal-dielectric nanocomposites imposes severe limitations on the majority of such applications. Herein we show the feasibility and discuss different nonlinear-optical techniques of compensating such losses, producing transparency, amplification and even generation of negative-phase light waves in originally strongly absorbing microscopic samples of plasmonic metal-dielectric nanostructured composites.
机译:研究了相干非线性光学能量从控制场向负相信号传输的可行性和特定特征,发现它们是由负折射率超材料固有的电磁波的后向性引起的。等离子超材料具有负的光波群速度,有望在纳米光子学方面取得革命性的突破。然而,这种金属-介电纳米复合材料固有的强吸收对大多数此类应用施加了严格的限制。在这里,我们展示了可行性,并讨论了在原本强烈吸收的等离激元金属-电介质纳米结构复合材料样品中,补偿此类损耗,产生透明度,放大甚至产生负相光波的不同非线性光学技术。

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