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    • 8. 发明授权
    • Optical waveguide intensity modulator using electro-optic polymer
    • 使用电光聚合物的光波导强度调制器
    • US5555326A
    • 1996-09-10
    • US358906
    • 1994-12-19
    • Wol-Yon HwangJang-Joo KimTae-Hyoung ZyungMin-Chul Oh
    • Wol-Yon HwangJang-Joo KimTae-Hyoung ZyungMin-Chul Oh
    • G02B6/35G02B6/12G02F1/065G02B6/27
    • G02F1/065G02B2006/12116
    • An optical waveguide intensity modulator of a polymer waveguide utilizes and electro-optic effect and optical birefringence induced from a poling process of a nonlinear polymer thin-film. The optical waveguide intensity modulator is constructed by a series combination of a TE/TM mode selector, a TE or TM mode converter and another TE or TM mode selector. In the polymer waveguide, the mode selectors and mode converter can be easily obtained by making the direction of a poling field to be horizontal (or vertical) and approximately 45.degree. direction. According to the present invention, the optical waveguide intensity modulator is formed by integrating the TE or TM mode selectors and the TE or TM mode converter onto a single substrate. Further, because no element, is required which results in optical loses for example an optical isolator, an optical coupler or a curved portion of the waveguide, the efficiency of the device can be improved.
    • 聚合物波导的光波导强度调制器利用由非线性聚合物薄膜的极化过程引起的电光效应和光学双折射。 光波导强度调制器由TE / TM模式选择器,TE或TM模式转换器和另一个TE或TM模式选择器的串联组合构成。 在聚合物波导中,通过使极化场的方向为水平(或垂直)和大约45度的方向,可以容易地获得模式选择器和模式转换器。 根据本发明,通过将TE或TM模式选择器和TE或TM模式转换器集成到单个衬底上来形成光波导强度调制器。 此外,由于不需要导致例如光隔离器,光耦合器或波导的弯曲部分的光损失的元件,因此可以提高器件的效率。