Research Article
Cherenkov Emission Generated by a Modulated Source in 2D Dispersive Photonic Crystal Slabs
Figure 7
Fourier spectrum (wavenumbers domain) for (a) , . (b) , . In panel (a) we observe the existence of near-static no radiating field artificial peak around while that of (b) well-defined peaks corresponds to optical eigenmodes of PCr.
(a) |
(b) |