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LiNbO3 integrated optical devices have now been studied for more than 15 years. Research has been conducted in many laboratories belonging to universities as well as to industrial or governmental institutions. Several companies around the world are now offering pigtailed packaged components for switching, modulation and sensor applications. The reason for the success of LiNbO3 comes from several attractive properties of this material such as good electrooptical, acoustooptical and non linear coefficients and excellent transmission characteristics. In this paper, an overview of LiNbO3 guided wave device technology will be presented. The presentation will concentrate on electrooptical devices as their evolution gives a good understanding of the basic configurations involved and of the different possible applications of the technology.
KeywordsDirectional Coupler Interaction Length Basic Configuration Channel Waveguide Modulation Efficiency
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