Coherent optical receiver device and coherent optical receiving method
    1.
    发明授权
    Coherent optical receiver device and coherent optical receiving method 有权
    相干光接收装置和相干光接收方式

    公开(公告)号:US09252888B2

    公开(公告)日:2016-02-02

    申请号:US13980307

    申请日:2012-01-20

    IPC分类号: H04B10/61

    摘要: In a coherent optical receiver device, the control process for keeping received signals in high quality is complicated, therefore, a coherent optical receiver device according to an exemplary aspect of the invention includes a coherent optical receiver receiving input signal light; an input power monitor obtaining input power information determined on the basis of the power of the input signal light; a local oscillator connected to the coherent optical receiver; and a controller connected to the coherent optical receiver, the input power monitor, and the local oscillator; wherein the coherent optical receiver comprises a 90-degree hybrid circuit, a photoelectric converter, and an amplifier; the input power monitor is disposed in the optical path of the input signal light in a stage preceding the amplifier; and the controller obtains the input power information from the input power monitor and controls the power of local oscillation light output from the local oscillator on the basis of the input power information.

    摘要翻译: 在相干光接收机装置中,用于保持高质量的接收信号的控制过程是复杂的,因此,根据本发明的示例性方面的相干光接收机装置包括接收输入信号光的相干光接收机; 输入功率监视器,其基于输入信号光的功率确定输入功率信息; 连接到相干光接收机的本地振荡器; 以及连接到相干光接收器,输入功率监视器和本地振荡器的控制器; 其中所述相干光接收机包括90度混合电路,光电转换器和放大器; 输入功率监视器设置在输入信号光的光路中,处于放大器之前的阶段; 并且控制器从输入功率监视器获取输入功率信息,并且基于输入功率信息来控制从本地振荡器输出的本地振荡光的功率。

    RZ OPTICAL MODULATOR AND RZ OPTICAL MODULATION METHOD
    2.
    发明申请
    RZ OPTICAL MODULATOR AND RZ OPTICAL MODULATION METHOD 有权
    RZ光学调制器和RZ光学调制方法

    公开(公告)号:US20140133869A1

    公开(公告)日:2014-05-15

    申请号:US14128568

    申请日:2012-06-21

    IPC分类号: H04B10/516

    摘要: In an optical transmission system using an RZ code, in order to improve the quality of the modulated transmission signal, an RZ optical modulator includes an RZ carver that outputs a optical pulse train of the RZ code, a polarization adjustment device which improves and outputs a polarization extinction ratio of optical pulse train outputted from the RZ carver and an optical modulator which modulates and outputs the optical pulse train outputted from a polarization adjustment device.

    摘要翻译: 在使用RZ码的光传输系统中,为了提高调制传输信号的质量,RZ光调制器包括输出RZ码的光脉冲串的RZ刻录机,改善并输出 从RZ卡弗尔输出的光脉冲串的偏振消光比和调制并输出从偏振调节装置输出的光脉冲串的光调制器。

    RZ optical modulator and RZ optical modulation method
    3.
    发明授权
    RZ optical modulator and RZ optical modulation method 有权
    RZ光调制器和RZ光调制方法

    公开(公告)号:US09264142B2

    公开(公告)日:2016-02-16

    申请号:US14128568

    申请日:2012-06-21

    摘要: In an optical transmission system using an RZ code, in order to improve the quality of the modulated transmission signal, an RZ optical modulator includes an RZ carver that outputs a optical pulse train of the RZ code, a polarization adjustment device which improves and outputs a polarization extinction ratio of optical pulse train outputted from the RZ carver and an optical modulator which modulates and outputs the optical pulse train outputted from a polarization adjustment device.

    摘要翻译: 在使用RZ码的光传输系统中,为了提高调制传输信号的质量,RZ光调制器包括输出RZ码的光脉冲串的RZ刻录机,改善并输出 从RZ卡弗尔输出的光脉冲串的偏振消光比和调制并输出从偏振调节装置输出的光脉冲串的光调制器。

    COHERENT OPTICAL RECEIVER DEVICE AND COHERENT OPTICAL RECEIVING METHOD
    4.
    发明申请
    COHERENT OPTICAL RECEIVER DEVICE AND COHERENT OPTICAL RECEIVING METHOD 有权
    相关光接收器件和相干光接收方法

    公开(公告)号:US20130287393A1

    公开(公告)日:2013-10-31

    申请号:US13980307

    申请日:2012-01-20

    IPC分类号: H04B10/61

    摘要: In a coherent optical receiver device, the control process for keeping received signals in high quality is complicated, therefore, a coherent optical receiver device according to an exemplary aspect of the invention includes a coherent optical receiver receiving input signal light; an input power monitor obtaining input power information determined on the basis of the power of the input signal light; a local oscillator connected to the coherent optical receiver; and a controller connected to the coherent optical receiver, the input power monitor, and the local oscillator; wherein the coherent optical receiver comprises a 90-degree hybrid circuit, a photoelectric converter, and an amplifier; the input power monitor is disposed in the optical path of the input signal light in a stage preceding the amplifier; and the controller obtains the input power information from the input power monitor and controls the power of local oscillation light output from the local oscillator on the basis of the input power information.

    摘要翻译: 在相干光接收机装置中,用于保持高质量的接收信号的控制过程是复杂的,因此,根据本发明的示例性方面的相干光接收机装置包括接收输入信号光的相干光接收机; 输入功率监视器,其基于输入信号光的功率确定输入功率信息; 连接到相干光接收机的本地振荡器; 以及连接到相干光接收器,输入功率监视器和本地振荡器的控制器; 其中所述相干光接收机包括90度混合电路,光电转换器和放大器; 输入功率监视器设置在输入信号光的光路中,处于放大器之前的阶段; 并且控制器从输入功率监视器获取输入功率信息,并且基于输入功率信息来控制从本地振荡器输出的本地振荡光的功率。