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31. 发明授权

US5621839A Optical waveguide device having substrate made of ferroelectric crystals 失效
标题翻译：具有由铁电晶体制成的衬底的光波导器件
公开(公告)号：US5621839A
公开(公告)日：1997-04-15
申请号：US294915
申请日：1994-08-24
申请人： Masato Asano , Tetsuya Ejiri
发明人： Masato Asano , Tetsuya Ejiri
IPC分类号： G02F1/035 , G02F1/05 , G02F1/313 , G02B6/10
CPC分类号： G02F1/035 , G02F1/05 , G02F1/3132 , G02F1/3137 , G02F2203/21
摘要： In order not to vary a light dividing ratio, a light insertion loss and a light extinction ratio, even if an environmental temperature is varied, in a first aspect, an optical waveguide device has at least one optical waveguide substrate made of ferroelectric crystals, an optical waveguide formed in the optical waveguide substrate, a first crystal plane formed in the optical waveguide substrate in which charges of one polarity are generated due to pyroelectrical effects, a second crystal plane made of ferroelectrical crystals in which charges of the other polarity are generated, a first conductive layer formed on the first crystal plane, and a second conductive layer formed on the second crystal plane, wherein the first conductive layer is connected electrically to the first conductive layer.
摘要翻译：为了不改变分光比，即使环境温度变化，光插入损耗和光消光比在第一方面中，光波导装置具有至少一个由铁电晶体制成的光波导基板，形成在光波导基板中的光波导，形成在由于热电效应而产生一极性的电荷的光波导基板中的第一晶面，由产生其他极性的电荷的铁电晶体制成的第二晶面，形成在第一晶面上的第一导电层和形成在第二晶面上的第二导电层，其中第一导电层与第一导电层电连接。

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