| 摘要 |
A structure and a corresponding method for producing a permanent electric biasing field in an electrooptical device. Electrodes are embedded in an insulating layer formed over the device, which includes a substrate of electrooptical material and an optical waveguide formed in the substrate. The electrodes are electrostatically charged and encapsulated in the insulating layer, to produce the desired electric field without the need for an external voltage source.
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