Periodic Anticoupling Structures for Parallel Optical Waveguides on LiNbO

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...

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Bibliographic Details
Published inJournal of lightwave technology Vol. 29; no. 16; pp. 2489 - 2495
Main Authors Grossard, Nicolas, Hauden, Jérôme, Porte, Henri
Format Journal Article
LanguageEnglish
Published IEEE 15.08.2011
Subjects
Anticoupling
Couplings
Electrodes
Electrooptical waveguides
evanescent optical waves
high- speed modulator
Lithium niobate
Modulation
Optical device fabrication
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Summary: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 3 ).
ISSN:0733-8724
1558-2213
DOI:10.1109/JLT.2011.2159480