公开(公告)号：EP3247057B1

公开(公告)日：2020-02-19

申请号：EP17170815.9

申请日：2017-05-12

申请人： Fujitsu Limited

发明人： Matsushita, Shuzo ,  Saito, Taku ,  Komaki, Kosuke ,  Sugamoto, Masamichi ,  Hongou, Hironobu

IPC分类号： H04B10/50 ,  G02F1/225

公开(公告)号：EP3247057A1

公开(公告)日：2017-11-22

申请号：EP17170815.9

申请日：2017-05-12

申请人： Fujitsu Limited

发明人： Matsushita, Shuzo ,  Saito, Taku ,  Komaki, Kosuke ,  Sugamoto, Masamichi ,  Hongou, Hironobu

IPC分类号： H04B10/50 ,  G02F1/225

摘要： There is provided an optical transmitter including a signal generator to generate an electric signal, an optical generator to generate light, an optical modulator to modulate the light with the electric signal to create an optical signal, a first voltage electrode to apply a first voltage to the optical signal, a second voltage electrode to apply a second voltage to the optical signal to which the first voltage is applied, and a detector to detect an optical power of the optical signal to which the second voltage is applied, wherein the signal generator stops generating the electric signal, controls the first voltage electrode to change the first voltage after the stop of generating the electric signal, and controls the second voltage electrode to change the second voltage according to the detected optical power after the change of the first voltage.

摘要翻译： 提供了一种光发射器，其包括用于产生电信号的信号发生器，用于产生光的光发生器，用电信号调制光以产生光信号的光调制器，用于将第一电压施加到 光信号;第二电压电极，用于向施加有第一电压的光信号施加第二电压;以及检测器，用于检测施加有第二电压的光信号的光功率，其中信号发生器停止 产生电信号，控制第一电压电极在停止产生电信号之后改变第一电压，并且控制第二电压电极根据在第一电压改变之后检测到的光功率改变第二电压。