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Power exchange in tapered optical couplers

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2 Author(s)
W. -P. Huang ; Dept. of Electr. & Comput. Eng., Waterloo Univ., Ont., Canada ; B. E. Little

The power exchange between nonparallel optical waveguides or tapered couplers is analyzed by the coupled-mode theory based on local modes of the individual waveguides (local waveguide modes). A self-consistent nonorthogonal coupled-mode formulation is presented and transformed into an orthogonal form which is equivalent to the coupled-mode equations for the local modes of the coupled waveguides (local array modes). The coupled-mode equations are then solved numerically and the effect of the taper on the power exchange between the two guides is studied

Published in:

IEEE Journal of Quantum Electronics  (Volume:27 ,  Issue: 7 )