Abstract
We report the design and the fabrication of an anticoupling
structure allowing to bring close waveguides without inducing
evanescent coupling between them. This method, inspired from a
well-known phenomenon of quantum physics, consists in the
introduction of a periodic perturbation of the waveguide structure.
The aim is to optimize the relative position of the waveguides to
the electrodes so as to increase the electro-optical overlaps, in
particular in lithium niobate integrated modulator
(LiNbO<sub>3</sub>).
© 2011 IEEE
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