Curved optical waveguide
    1.
    发明公开
    Curved optical waveguide 审中-公开
    GekrümmterLichtwellenleiter

    公开(公告)号:EP2639630A1

    公开(公告)日:2013-09-18

    申请号:EP13171823.1

    申请日:2011-03-23

    发明人: Sugiyama, Masaki

    摘要: An optical waveguide formed in an electro-optical substrate includes a curved waveguide (11) having a first end and a second end and a branch portion (12) that is coupled to the second end of the curved waveguide , wherein the curved waveguide (11) comprises a low refraction index portion (18) having an effective refraction index that is lower than that of the rest of the curved waveguide, the low refraction index portion (18) being provided between the first end and the second end of the curved waveguide (11).

    摘要翻译: 形成在电光基板中的光波导包括具有第一端和第二端的弯曲波导(11)和耦合到弯曲波导的第二端的分支部(12),其中弯曲波导(11) )包括具有低于弯曲波导的其余部分的有效折射率的低折射率部分(18),低折射率部分(18)设置在弯曲波导的第一端和第二端之间 (11)。

    Branch optical waveguide
    2.
    发明公开
    Branch optical waveguide 审中-公开
    Verzweigter optischer Wellenleiter

    公开(公告)号:EP2395388A1

    公开(公告)日:2011-12-14

    申请号:EP11159360.4

    申请日:2011-03-23

    发明人: Sugiyama, Masaki

    摘要: An optical waveguide formed in an electro-optical crystal substrate includes a curved waveguide (11); and a branch portion (12) that is coupled to the curved waveguide and branches light input into the curved waveguide (11) into two optical paths, wherein the curved waveguide (11) extends between a start point having a first width (W1) and an end point having a second width (W2), the branch portion (12) being coupled to the curved waveguide (11) at said end point, and wherein a low refraction index portion (18) having an effective refraction index that is lower than that of the start point of the curved waveguide is provided the curved waveguide (11) in the proximity of said end point.

    摘要翻译: 形成在电光晶体基板中的光波导包括弯曲波导(11); 以及分支部分(12),其耦合到所述弯曲波导并将输入到所述弯曲波导(11)中的光分支为两个光路,其中所述弯曲波导(11)在具有第一宽度(W1)的起始点和 具有第二宽度(W2)的端点,所述分支部分(12)在所述端点处耦合到所述弯曲波导(11),并且其中低折射率部分(18)具有低于 曲面波导的起点设置在所述端点附近的弯曲波导(11)。

    Mach-Zehnder optical-waveguide interferometer
    3.
    发明公开
    Mach-Zehnder optical-waveguide interferometer 审中-公开
    Mach-Zehnder'sches干涉仪,beruhend auf einem optischen Wellenleiter

    公开(公告)号:EP2639631A1

    公开(公告)日:2013-09-18

    申请号:EP13171824.9

    申请日:2011-03-23

    发明人: Sugiyama, Masaki

    摘要: A Mach-Zehnder optical modulator (100) formed in a substrate ((10) and comprising a curved waveguide (11), which has a first end and a second end, and a branch portion (12) that is coupled to the second end of the curved waveguide (11), wherein the curved waveguide (11) comprises a low refraction index portion (18) having an effective refraction index lower than that of the rest of the curved waveguide (11), the low refraction index portion (18) being provided from an intermediate part of the curved waveguide (11) between the first end and the second end.

    摘要翻译: 形成在基板(10)中并且包括弯曲波导(11)的马赫 - 策德尔光调制器(100),其具有第一端和第二端,以及分支部分(12),其耦合到第二端 ,其中所述弯曲波导(11)包括具有比所述弯曲波导(11)的其余部分的有效折射率低的低折射率部分(18),所述低折射率部分(18) )从第一端和第二端之间的弯曲波导(11)的中间部分提供。