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2. 发明公开

EP1306990A2 Optical communication system with control of output level 有权
标题翻译： OptischesÜbertragungssystemmit Verfahren zur Steuerung搜索Ausgangspegels
公开(公告)号：EP1306990A2
公开(公告)日：2003-05-02
申请号：EP02257379.4
申请日：2002-10-23
申请人： Nippon Telegraph and Telephone Corporation
发明人： Shimada, Tatsuya, c/o NTT Intellectual , Sakurai, Naoya, c/o NTT Intellectual , Kimura, Hideaki, c/o NTT Intellectual
IPC分类号： H04B10/213
CPC分类号： H04B10/27 , H04B10/272
摘要： An optical communication system can increase a minimum optical reception level or the number of connectable optical receivers by controlling optical output levels of its optical transmitter. The optical communication system includes the optical transmitter having an optical variable splitting controller for splitting received light into N parts and supplies them to N optical fibers, and N optical receivers for receiving the signals sent via the N optical fibers. The optical variable splitting controller regulates its optical output levels to be supplied to the N optical fibers by controlling the optical coupling ratios. For example, the optical variable splitting controller may regulate its optical output levels by controlling its optical coupling ratios such that optical losses from its input to inputs of the N optical receivers become equal for all the N optical receivers.
摘要翻译：光通信系统可以通过控制其光发射机的光输出电平来增加最小光接收电平或连接光接收机的数量。该光通信系统包括光发射机，具有用于将接收的光分解为N个部分并将其提供给N个光纤的光可变分离控制器，以及用于接收经由N个光纤发送的信号的N个光接收机。光可变分光控制器通过控制光耦合比来调节其光输出电平以提供给N个光纤。例如，光可变分割控制器可以通过控制其光耦合比来调节其光输出电平，使得其N个光接收机的输入到输入的光损耗对于所有N个光接收机变得相等。

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