Title :
Coupling coefficients for trapezoidal gratings
Author_Institution :
Lab. de Bagneaux, CNET, France
fDate :
1/1/1988 12:00:00 AM
Abstract :
Using coupled-mode theory, the coupling coefficient was calculated for a trapezoid grating, and it was shown that it is possible to adjust its shape to obtain a high coupling coefficient. This is one of the advantages offered by the ion beam etching technique
Keywords :
diffraction gratings; optical couplers; coupled-mode theory; coupling coefficient; ion beam etching technique; trapezoidal gratings; Distributed Bragg reflectors; Etching; Geometry; Gratings; Ion beams; Propagation constant; Refractive index; Shape control; Slabs; Teeth;
Journal_Title :
Quantum Electronics, IEEE Journal of
