Imperial College London

DrSang SoonOh

Faculty of Natural SciencesDepartment of Physics

Visiting Researcher



s.oh Website




901Blackett LaboratorySouth Kensington Campus






BibTex format

author = {Kim, T-T and Oh, SS and Park, H-S and Zhao, R and Kim, S-H and Choi, W and Min, B and Hess, O},
doi = {10.1038/srep05864},
journal = {Scientific Reports},
title = {Optical Activity Enhanced by Strong Inter-molecular Coupling in Planar Chiral Metamaterials},
url = {},
volume = {4},
year = {2014}

RIS format (EndNote, RefMan)

AB - The polarization of light can be rotated in materials with an absence of molecular or structural mirrorsymmetry. While this rotating ability is normally rather weak in naturally occurring chiral materials,artificial chiral metamaterials have demonstrated extraordinary rotational ability by engineeringintra-molecular couplings. However, while in general, chiral metamaterials can exhibit strong rotatorypower at or around resonances, they convert linearly polarized waves into elliptically polarized ones. Here,we demonstrate that strong inter-molecular coupling through a small gap between adjacent chiralmetamolecules can lead to a broadband enhanced rotating ability with pure rotation of linearly polarizedelectromagnetic waves. Strong inter-molecular coupling leads to nearly identical behaviour in magnitude,but engenders substantial difference in phase between transmitted left and right-handed waves.
AU - Kim,T-T
AU - Oh,SS
AU - Park,H-S
AU - Zhao,R
AU - Kim,S-H
AU - Choi,W
AU - Min,B
AU - Hess,O
DO - 10.1038/srep05864
PY - 2014///
SN - 2045-2322
TI - Optical Activity Enhanced by Strong Inter-molecular Coupling in Planar Chiral Metamaterials
T2 - Scientific Reports
UR -
UR -
VL - 4
ER -