|
|
Cherenkov radiation modes created when a two-frequency electromagnetic field propagates in a nonlinear photonic crystal waveguide. The spots arise from the sum of the fundamental frequencies (yellow) and the second harmonics of each (red, green). |
|
|
Cherenkov radiation modes created when a two-frequency electromagnetic field propagates in a nonlinear photonic crystal waveguide. The spots arise from the sum of the fundamental frequencies (yellow) and the second harmonics of each (red, green). |