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    • 5. 发明授权
    • Optical transmitter and interconnecting circuit board
    • 光发射机和互连电路板
    • US09244230B2
    • 2016-01-26
    • US13232511
    • 2011-09-14
    • Masaki Sugiyama
    • Masaki Sugiyama
    • H01P5/08H01P3/08G02B6/42
    • G02B6/4201G02B6/4279G02B6/428H01P3/08H01P5/08
    • An optical transmitter including: an optical module; an interconnecting circuit board configured to be electrically coupled to the optical module; and a printed circuit board configured to be electrically coupled to the interconnecting circuit board; wherein the interconnecting circuit board includes: a coplanar waveguide; and a microstrip line including a signal wiring line extended from an end of the coplanar waveguide and a ground wiring line, wherein the width of the signal wiring line is narrower than the width of a signal wiring line of the coplanar waveguide, and the spacing between the signal wiring line extended from the end of the coplanar waveguide and the ground wiring line is smaller than the spacing between the signal wiring line of the coplanar waveguide and the ground wiring line.
    • 一种光发射机,包括:光模块; 配置为电耦合到所述光学模块的互​​连电路板; 以及印刷电路板,被配置为电耦合到所述互连电路板; 其中所述互连电路板包括:共面波导; 以及包括从共面波导的端部延伸的信号布线和接地布线的微带线,其中信号布线的宽度比共面波导的信号布线的宽度窄, 从共面波导和接地布线的端部延伸的信号布线小于共面波导的信号布线和接地布线之间的间隔。
    • 7. 发明授权
    • Circuit board and optical modulator
    • 电路板和光调制器
    • US09107297B2
    • 2015-08-11
    • US13462043
    • 2012-05-02
    • Masaki Sugiyama
    • Masaki Sugiyama
    • G02F1/03G02F1/07H05K1/02H05K1/11H05K3/36
    • H05K1/0215H05K1/112H05K3/363H05K2201/094
    • A printed circuit board (PCB) has a connection ground pattern and a wiring ground pattern. The connection ground pattern is a pattern for soldered connection formed on a first wiring layer. The wiring ground pattern is formed to be spaced from the connection ground pattern on the first wiring layer. The connection ground pattern and the wiring ground pattern are electrically coupled via a second wiring layer. When the wiring ground pattern is covered with an insulating layer, such as a solder resist, even if the position of an end of the insulating layer varies among wiring ground patterns, an influence on an exposed area of the connection ground pattern is eliminated.
    • 印刷电路板(PCB)具有连接接地图案和接线图案。 连接接地图是形成在第一布线层上的焊接连接图案。 布线接地图形形成为与第一布线层上的连接接地图案间隔开。 连接接地图案和接线图案经由第二布线层电耦合。 即使绝缘层的端部的位置在布线接地图形之间变化,当布线接地图案被诸如阻焊剂的绝缘层覆盖时,也不会影响连接接地图案的暴露区域。
    • 8. 发明授权
    • Mach-zehnder modulator
    • 马赫 - 泽德调制器
    • US08831385B2
    • 2014-09-09
    • US12987306
    • 2011-01-10
    • Masaki SugiyamaYoshihiko YoshidaYoshitada KawashimaToyokazu Sasaki
    • Masaki SugiyamaYoshihiko YoshidaYoshitada KawashimaToyokazu Sasaki
    • G02F1/01G02B6/12
    • G02F1/0356G02B6/125G02F2001/212
    • A mach-zehnder optical modulator includes a substrate having electrooptical effect, wherein: the substrate has an inputting waveguide portion, two intermediate waveguide portions, an outputting waveguide portion and a sub optical waveguide portion, the inputting waveguide portion being branched and coupled to the two intermediate waveguide portions, the two intermediate waveguide portions being combined and coupled to the outputting waveguide portion, the sub optical waveguide being provided on at least one side of the outputting optical waveguide portion and having a given distance from the outputting optical waveguide portion, the sub optical waveguide portion guiding an off-light emitted from a combining portion of the two intermediate waveguide portions; and a width of a starting point of the sub optical waveguide portion is larger than the outputting waveguide portion.
    • 一种马赫泽德光调制器,包括具有电光效应的基板,其中:所述基板具有输入波导部分,两个中间波导部分,输出波导部分和副光波导部分,所述输入波导部分分支并耦合到所述两个 中间波导部分,两个中间波导部分组合并耦合到输出波导部分,副光波导设置在输出光波导部分的至少一侧并且距离输出光波导部分具有给定距离,子波导部分 引导从两个中间波导部分的组合部分发射的偏光的光波导部分; 并且副光波导路部分的起点的宽度大于输出波导部分的宽度。
    • 10. 发明授权
    • Optical modulator and optical transmitter
    • 光调制器和光发射机
    • US08406576B2
    • 2013-03-26
    • US12862864
    • 2010-08-25
    • Masaki Sugiyama
    • Masaki Sugiyama
    • G02F1/035
    • G02F1/2255G02F1/0356G02F2001/212G02F2201/121G02F2201/127G02F2202/20
    • An optical modulator including: a substrate which has electro-optic effect; a Mach-Zehnder optical interferometer which is formed in the substrate and which includes a first waveguide and a second waveguide; a signal electrode which applies an electrical field to the Mach-Zehnder optical interferometer through being supplied with an electric signal corresponding to a signal for optical modulation; a ground electrode formed apart from the signal electrode; and a conductor section which is narrow in a middle thereof along the light propagating direction and which gradually becomes wider towards the starting end and the terminating ends thereof along the light propagating direction in an interacting portion at which the electric field applied by the signal electrode interacts with light propagating through the first waveguide and the second waveguide.
    • 一种光学调制器,包括:具有电光效应的衬底; 马赫 - 曾德尔光学干涉仪,其形成在基板中,并包括第一波导和第二波导; 信号电极,通过提供与用于光学调制的信号相对应的电信号,向马赫 - 曾德尔光学干涉仪施加电场; 与信号电极分开形成的接地电极; 以及导体部,其沿着光传播方向在中间窄,并且在由信号电极施加的电场相互作用的相互作用部分中沿着光传播方向朝向起始端及其终端逐渐变宽 其中光通过第一波导和第二波导传播。