| http://www.w3.org/ns/prov#value | - More generally, concerning the two waveguides in a grating assisted directional coupler such as those illustrated in FIGS. 3A to 3C, in the descriptions henceforth (a) ??1 pertains to the waveguide on which an input optical signal of N wavelengths ??1, ??2, ??3, . . . , ??N (where N is a positive integer) is transmitted, (b) ??2 pertains to the waveguide into which an optical signal with a central
|
