Giant circular dichroic SHG behavior of double SP resonant chiral aluminum nanorod dimer structures

A. Sugita, Kenshin Muroi, Sota Tamotsu
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Abstract

This paper reports on the giant circular dichroic second-harmonic generation (CD-SHG) behavior of double SP resonant chiral Al nanorod (AlNR) dimer structures. The two AlNRs are aligned in a straight line. It becomes chiral, when one of the AlNRs is shifted laterally from it. We obtained CD-SHG signals up to 0.5 for the corresponding amount of the shift. Additionally, the sign of the CD-SHG was reversed, when the sign of the shift was reversed. The amount of the CD-SHG was flexibly tunable by changing the amount of the shift, which was the uniqueness of the present chiral plasmonic nanostructure.
双SP共振手性铝纳米棒二聚体结构的巨圆二向色SHG行为
本文报道了双SP共振手性铝纳米棒二聚体结构的巨圆二向色次谐波产生(CD-SHG)行为。这两个alnr排成一条直线。当其中一个alnr从它旁边移开时,它就变成手性的。我们得到相应位移量的CD-SHG信号高达0.5。此外,CD-SHG的符号被反转,当移位的符号被反转。通过改变位移量可以灵活地调节CD-SHG的量,这是目前手性等离子体纳米结构的独特性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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