WAVELENGTH MULTIPLEXER/DEMULTIPLEXER
    4.
    发明公开
    WAVELENGTH MULTIPLEXER/DEMULTIPLEXER 有权
    WELLENLÄNGENMULTIPLEXER/ -DEMULTIPLEXER

    公开(公告)号:EP1666937A4

    公开(公告)日:2006-09-13

    申请号:EP04787868

    申请日:2004-09-10

    IPC分类号: G02B6/12 G02B6/34

    摘要: A wavelength multiplexer/demultiplexer used to separate two wavelength bands disposed with the end of one wavelength band separated up to a specified distance from the end of another wavelength band. A dielectric multilayer film is provided at the intersection of two mutually-crossing optical waveguides to separate an incident light to the dielectric multilayer film into a transmission light and a reflection light. Note that the distance X from the multilayer film surface on the light incidence side of the dielectric multilayer film up to the center intersection of the above two crossing optical waveguides is set so as to satisfy 0

    摘要翻译: 一个波长复用器/解复用器,用于分离两个波长带,其中一个波长带的末端与另一个波长带的末端隔开一段特定距离。 在两个相互交叉的光波导交叉处设置电介质多层膜,以将入射光与电介质多层膜分离成透射光和反射光。 另外,从电介质多层膜的光入射侧的多层膜表面到上述两个交叉光波导的中心交点的距离X被设定为满足0 <= X <= d / 2(d; 电介质多层膜的厚度)。 因此,即使在两个波长具有小波长间隔和良好截止特性的情况下,也可以实现波长多路复用器/多路分离器,其没有光谱劣化。