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    OPTICAL NETWORK
    2.
    发明公开
    OPTICAL NETWORK 审中-公开
    OPTISCHES NETZWERK

    公开(公告)号：EP3113391A1

    公开(公告)日：2017-01-04

    申请号：EP15754670.6

    申请日：2015-02-12

    申请人： Japan Science and Technology Agency

    发明人： SATO Ken-ichi ,  HASEGAWA Hiroshi ,  MORI Yojiro ,  TERADA Yuki

    IPC分类号： H04B10/27 ,  H04J14/00 ,  H04J14/02

    CPC分类号： H04Q11/0062 ,  H04J14/0212 ,  H04J14/0213 ,  H04Q11/00 ,  H04Q11/0005 ,  H04Q2213/1301

    摘要： Provided is an optical network which makes it possible to increase frequency use efficiency of an optical signal when transmitting wavelength division multiplexed light. One or more optical path cross connection devices (OXC) through which a wavelength division multiplexed light signal travels when being transmitted from a prescribed transmission node to a prescribed receiving node, wherein when an optical channel inputted from an input optical fiber (Fi1-Fin) is routed or switched to one or more output optical fibers (Fo1-FoN), a plurality of optical channels adjacent on a frequency axis which are outputted to the same output optical fiber (FoN) in the input optical fibers (Fi1-Fin) are routed or switched to an output optical fiber by demultiplexing the plurality of optical channels as one bundle without demultiplexing each of the optical channels individually. Thus, it is possible to increase frequency use efficiency of an optical signal when transmitting wavelength division multiplexed light, because the instances of optical channel filtering are reduced and the loss caused by filtering is decreased.

    摘要翻译： 提供一种光网络，其可以在发送波分复用光时提高光信号的频率使用效率。 当从规定的发送节点发送到规定的接收节点时，波分复用光信号通过的一个或多个光路交叉连接装置（OXC），其中当从输入光纤（Fi1-Fin）输入的光信道 被路由或切换到一个或多个输出光纤（Fo1-FoN），在输入光纤（Fi1-Fin）中输出到同一输出光纤（FoN）的频率轴上相邻的多个光通道是 通过将多个光学信道解复用为一束而路由或切换到输出光纤，而不是单独地解复用每个光信道。 因此，由于光信道滤波的实例减少并且由滤波引起的损耗减小，因此可以在发送波分复用光时提高光信号的频率使用效率。