We report on intra- and inter-modal four-wave-mixing (FWM) in N -fold rotationally symmetric (C N ) single- and multi-core chiral photonic crystal fiber (PCF), created by spinning the preform durin…
The dispersion relation for the helical Bloch modes in this paper contains an error, which affects Equation (3) in the original manuscript, as well as Fig. 2. Otherwise the conclusions of the paper…