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Pi -Shifted filters based on electro-optically induced waveguide gratings
Pi -Shifted filters based on electro-optically induced waveguide gratings
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机译:基于光电感应波导光栅的Pi位移滤波器
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摘要
Disclosed is a &pgr;-shifted optical grating device based on electro-optically induced waveguide gratings. The waveguide has a core and a cladding where the core or the cladding is made of an electro-optic material. A plurality of electrodes are placed on one side of the waveguide and at least one electrode is placed on the other side of the waveguide. A voltage pattern is selectively applied to the electrode so that the pattern induces at least one &pgr;-shifted grating in the waveguide when the pattern is applied.
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