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    • 41. 发明授权
    • Optical modulators
    • 光调制器
    • US07778497B2
    • 2010-08-17
    • US12401753
    • 2009-03-11
    • Osamu MitomiKenji AokiTetsuya EjiriAkiyoshi IdeJungo KondoYuichi Iwata
    • Osamu MitomiKenji AokiTetsuya EjiriAkiyoshi IdeJungo KondoYuichi Iwata
    • G02F1/035G02B6/26
    • G02F1/0356G02B6/12007
    • An optical modulator having an optical modulation part and a connection part for an optical fiber propagating light. The optical modulation part has a modulation substrate of an electro-optic material, a modulation optical waveguide formed on the modulation substrate, a high frequency interaction part for applying a voltage to the modulation optical waveguide to modulate the propagation of light, a first supporting substrate and a first adhesion layer for adhering the modulation substrate to the first supporting substrate. The connection part has a connection substrate of an electro-optic material, a connection optical waveguide formed on the connection substrate, a second supporting substrate, and a second adhesion layer for adhering the connection substrate to the second supporting substrate. The modulation substrate is adhered to the connection substrate. The first supporting substrate is adhered to the second supporting substrate. The modulation optical waveguide is connected to the connection optical waveguide.
    • 一种具有光学调制部分和用于光纤传播光的连接部分的光调制器。 光调制部具有电光材料的调制基板,形成在调制基板上的调制光波导,向调制光波导施加电压以调制光的传播的高频相互作用部,第一支撑基板 以及用于将调制基板粘附到第一支撑基板的第一粘合层。 连接部具有电光材料的连接基板,形成在连接基板上的连接光波导,第二支撑基板和用于将连接基板粘接到第二支撑基板的第二粘合层。 调制基板粘附到连接基板。 第一支撑基板粘附到第二支撑基板。 调制光波导连接到连接光波导。
    • 43. 发明申请
    • OPTICAL MODULATORS
    • 光学调制器
    • US20090154867A1
    • 2009-06-18
    • US12336640
    • 2008-12-17
    • Yuichi IwataOsamu MitomiJungo KondoKenji Aoki
    • Yuichi IwataOsamu MitomiJungo KondoKenji Aoki
    • G02F1/035
    • G02F1/0356G02F1/2255G02F2201/122
    • An object of the present invention is, in an optical modulator, to increase the production yield by enhancing the patterning accuracy of the electrodes, as well as to reduce the electrode loss by increasing the thickness of the electrodes. An optical modulator has a substrate 5 made of an electro-optical material; a modulation electrode 2A, 3A, 2B provided on the substrate 5; and an optical waveguide 1c provided on the substrate 5. Light propagating through the optical waveguide 1c is modulated by applying a modulation voltage to the modulation electrode. At least a part of the modulation electrode includes a base 2a, 3a formed on the substrate 5 and a projection part 2b, 3b having a width narrower than that of the base.
    • 本发明的目的在于,在光调制器中,通过提高电极的构图精度以及通过增加电极的厚度来减小电极损耗来提高生产率。 光调制器具有由电光材料制成的基板5; 设置在基板5上的调制电极2A,3A,2B; 以及设置在基板5上的光波导1c。通过向调制电极施加调制电压来调制通过光波导1c传播的光。 调制电极的至少一部分包括形成在基板5上的基部2a,3a和宽度窄于基部的宽度的突出部2b,3b。
    • 47. 发明授权
    • Optical waveguide device
    • 光波导器件
    • US07319800B2
    • 2008-01-15
    • US11560144
    • 2006-11-15
    • Kenji AokiJungo KondoAtsuo KondoOsamu Mitomi
    • Kenji AokiJungo KondoAtsuo KondoOsamu Mitomi
    • G02F1/035
    • G02F1/2255G02F1/0356G02F2203/25
    • A voltage is applied on a first branch 3a by a first ground electrode 10 and a signal electrode 11, and a voltage is applied on a second branch 3b by a second ground electrode 12A and the signal electrode 11. A first gap 13 is formed between the first ground electrode 10 and the signal electrode 11, and a second gap 14 is formed between the second ground electrode 12A and the signal electrode 11. The first gap 13 and the second gap 14 are divided into voltage applying portions 13a, 14a, feed-through portions and connection portions 13b, 14b therebetween, respectively, and satisfy the formula: G12/G11≦G22/G21
    • 第一接地电极10和信号电极11对第一分支3a施加电压,并且通过第二接地电极12A和信号电极11将电压施加在第二分支3b上。第一间隙13 形成在第一接地电极10和信号电极11之间,并且在第二接地电极12A和信号电极11之间形成第二间隙14.第一间隙13和第二间隙14被分成电压施加部分13 a,14a,馈通部分和连接部分13b,14b,分别满足下列公式:G 12 / G 11 <= G 21 表示连接部分侧的端部13c处的第一间隙13的宽度,G 22表示在第二间隙14的端部14c处的第二间隙14的宽度 连接部分侧面14c,G31表示电压施加部分13a处的第一间隙13的宽度,G 32表示第二间隙14的宽度 电压施加部分14a。