Light slowing down in moire fiber gratings and its implications for nonlinear optics

Summary form only given. While the reflection and transmission properties of moire fiber grating (MFG) are well known, the analysis of their dispersion is more involved, since the number of coupled Bloch waves propagating in MFG is actually infinite. Here we report, for the first time to the best of our knowledge, the detailed analysis of the dispersion in MFG, show the analogy between the MFG and electromagnetically induced transparency (EIT) media, and its practical applications to linear and nonlinear processes.