Conditions to reach the efficiency peak in the Cerenkov second harmonic generation in an optical waveguide are studied in detail. It is shown that for a suitable layered waveguide the conditions can be more relaxed.
Conditions to reach the efficiency peak in the Cerenkov second harmonic generation in an optical waveguide are studied in detail. It is shown that for a suitable layered waveguide the conditions can be more relaxed. (en)