Title :
Modes of evanescent 3Ã\x973 couplers and three-core fibres
Author :
Black, Richard J. ; Gagnon, Louis ; Youngquist, Robert C. ; Wentworth, R.H.
Author_Institution :
Ecole Polytechnique de Montréal, Département de Génie Physique, Montreal, Canada
Abstract :
We consider the modes of a weakly coupled equilateral triangular array of three fibre cores. In particular, we concentrate on what symmetry tells us about the field, propagation constant degeneracies and thus their beating.
Keywords :
optical couplers; optical fibres; waveguide theory; beating; evanescent coupling; field; optical coupling; optical fibres; propagation constant degeneracies; symmetry; tapered fibres; three fibre cores; three-core fibres; weakly coupled equilateral triangular array;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19860899
