Optical Activity of Semiconductor Gammadions beyond Planar Chirality

The Journal of Physical Chemistry Letters
Nikita V TepliakovIvan D Rukhlenko

Abstract

We present rigorous analysis of optical activity of chiral semiconductor gammadions whose chirality in three dimensions is caused by the nonuniformity of thickness in the transverse plane. It is shown that such gammadions not only distinguish between the two circular polarizations upon scattering and reflection of light, like all two-dimensional semiconductor nanostructures with planar chirality do, but also exhibit circular dichroism and circularly polarized luminescence. Chiral semiconductor gammadions whose charge carriers are mostly confined to the arms are found to feature both high dissymmetry of optical response and a constant-sign circular dichroism signal over a wide frequency range. It is also shown that the strength of the gammadion's chiroptical response is determined solely by two geometric factors: the variation range of the gammadion's thickness and the arms' curvature. Our seminal theoretical study is intended to lay the foundation for future applications of semiconductor gammadions in chiral nanophotonics and nanotechnology.

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Mar 19, 2016·Scientific Reports·Anvar S BaimuratovIvan D Rukhlenko
Jun 1, 2016·Optics Letters·Ivan D RukhlenkoAnatoly V Fedorov
Nov 9, 2016·Scientific Reports·Ivan D RukhlenkoAnatoly V Fedorov
Apr 6, 2017·Scientific Reports·Ilia A VovkIvan D Rukhlenko
Apr 12, 2017·Chirality·Anvar S BaimuratovIvan D Rukhlenko
Apr 21, 2017·Chemical Reviews·Wei MaNicholas A Kotov
Apr 27, 2017·Scientific Reports·Anvar S BaimuratovIvan D Rukhlenko
Jul 12, 2017·ACS Nano·Nikita V TepliakovIvan D Rukhlenko
Aug 2, 2017·Nano Letters·Anvar S BaimuratovIvan D Rukhlenko
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Citations

Sep 25, 2018·Physical Chemistry Chemical Physics : PCCP·Ilia A VovkIvan D Rukhlenko
Jul 19, 2019·Chirality·Aras Kartouzian
Feb 1, 2019·Optics Letters·Anvar S BaimuratovIvan D Rukhlenko
Sep 27, 2019·Nano Letters·Sumant SarkarJohn G Gibbs
Apr 30, 2019··Anvar BaimuratovAlexander Baranov

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