Integrated TE-TM mode converter on Y-cut Z-propagating LiNbO/sub 3/ with an electrooptic phase matching for coherence multiplexing

摘要

The use of an integrated TE-TM mode converter as a coherence multiplexer is described. The component is based on a buried waveguide obtained by proton exchange and postannealing. The electrode structure consists of three electrodes. Two are used to achieve TE-TM conversion, and the third is used to perform phase matching to ensure a high conversion efficiency.