METHOD AND APPARATUS FOR CONTROLLING OPTICAL POWER
    2.
    发明公开
    METHOD AND APPARATUS FOR CONTROLLING OPTICAL POWER 有权
    VERFAHREN UND VORRICHTUNG ZUR STEUERUNG EINER OPTISCHEN LEISTUNG

    公开(公告)号:EP2991244A1

    公开(公告)日:2016-03-02

    申请号:EP15187827.9

    申请日:2011-06-16

    摘要: The present application provides a method for controlling optical power, the method includes: monitoring output optical power of an optical source, and judging whether a preset test control signal is received; when the preset test control signal is not received, modulating a data signal to output light of the optical source, and adjusting a bias current of the optical source according to an output optical power monitoring result of the optical source to implement automatic power control; and when the preset test control signal is received, starting a test and superimposing a test signal to the data signal to form a superimposed signal and modulating the superimposed signal to the output light of the optical source, the output optical power monitoring result of the optical source is ignored during the test period to maintain the bias current of the optical source at a preset target value. The present application further provides an apparatus for controlling optical power.

    摘要翻译: 本申请提供了一种控制光功率的方法,所述方法包括:监视光源的输出光功率,并判断是否接收到预置的测试控制信号; 当未接收到预置的测试控制信号时,调制数据信号以输出光源的光,并根据光源的输出光功率监控结果调节光源的偏置电流,实现自动功率控制; 并且当接收到预设的测试控制信号时,开始测试并将测试信号叠加到数据信号上以形成叠加信号并且将叠加的信号调制到光源的输出光,光输出光功率监视结果 源在测试期间被忽略,以将光源的偏置电流保持在预设的目标值。 本申请还提供了一种用于控制光功率的装置。

    OPTICAL SIGNAL MONITORING METHOD, SIGNAL MONITORING DEVICE AND OPTICAL NETWORK SYSTEM
    3.
    发明公开
    OPTICAL SIGNAL MONITORING METHOD, SIGNAL MONITORING DEVICE AND OPTICAL NETWORK SYSTEM 审中-公开
    光学信号监测方法,信号监测装置和光网络系统

    公开(公告)号:EP3002891A1

    公开(公告)日:2016-04-06

    申请号:EP13888368.1

    申请日:2013-06-29

    IPC分类号: H04B10/07 H04Q11/00

    CPC分类号: H04B10/07955 H04B10/564

    摘要: Embodiments of the present invention disclose an optical signal monitoring and control method, including: receiving a first optical signal, performing optical-to-electrical conversion on the first optical signal, and outputting a converted first electrical signal; monitoring the first electrical signal, and acquiring a monitored power of the first electrical signal; adjusting the monitored power of the first electrical signal according to a target monitored power of the first electrical signal, and outputting a second electrical signal, so that a monitored power of the second electrical signal is the target monitored power; and performing optical-to-electrical conversion on the second electrical signal according to a correspondence between the target monitored power of the first electrical signal and a target extinction ratio of the first optical signal, and outputting a converted second optical signal, where the second optical signal is an optical signal that has a target extinction ratio. Correspondingly, the embodiments of the present invention further disclose a related apparatus and system. The embodiments of the present invention can implement precise control on an extinction ratio of an optical signal.

    摘要翻译: 本发明实施例公开了一种光信号监测控制方法,包括:接收第一光信号,对第一光信号进行光电转换,并输出转换后的第一电信号; 监测第一电信号,并获取第一电信号的监测功率; 根据所述第一电信号的目标监测功率调整所述第一电信号的监测功率,并输出第二电信号,以使所述第二电信号的监测功率为所述目标监测功率; 根据所述第一电信号的目标监测功率与所述第一光信号的目标消光比的对应关系,对所述第二电信号进行光电转换,并输出转换后的第二光信号,其中,所述第二光信号 信号是具有目标消光比的光信号。 相应地,本发明实施例还公开了一种相关的装置和系统。 本发明实施例可以实现光信号消光比的精确控制。

    CIRCUIT FOR MODULATING OPTICAL TIME DOMAIN REFLECTOMETER TEST SIGNAL, AND PASSIVE OPTICAL NETWORK SYSTEM AND DEVICE
    4.
    发明公开
    CIRCUIT FOR MODULATING OPTICAL TIME DOMAIN REFLECTOMETER TEST SIGNAL, AND PASSIVE OPTICAL NETWORK SYSTEM AND DEVICE 审中-公开
    电路是否OTDR测试信号的无源光网络的调制AND SYSTEM AND DEVICE

    公开(公告)号:EP2782269A1

    公开(公告)日:2014-09-24

    申请号:EP11877313.4

    申请日:2011-12-12

    IPC分类号: H04B10/07 H04Q11/00

    摘要: Embodiments of the present invention disclose an OTDR test signal modulation circuit, including a laser diode drive, a laser diode, a current adjusting unit, and an OTDR control unit. The laser diode drive is connected to the laser diode and is configured to drive, according to an input data signal, the laser diode to transmit data light. The current adjusting unit is connected to the laser diode and the OTDR control unit and is configured to adjust a current flowing through the laser diode according to an OTDR test signal provided by the OTDR control unit, so as to modulate the OTDR test signal to the data light transmitted by the laser diode. Moreover, the embodiments of the present invention also disclose a passive optical network system and apparatus.

    摘要翻译: 本发明的实施例来公开OTDR测试信号调制电路,包括一个激光二极管驱动器,激光二极管,电流调节单元,以及OTDR控制单元。 该激光二极管驱动器被连接到激光二极管和被配置为驱动,以gemäß到输入数据信号时,激光二极管来传输数据的光。 电流调节单元连接到所述激光二极管和所述OTDR控制单元并且被配置为调节的电流流过在OTDR测试信号的激光二极管雅丁于由OTDR控制单元设置成调制所述OTDR测试信号提供给 由激光二极管数据光反mitted。 更上方,本发明的实施例因此公开了一种无源光网络系统和装置。

    METHOD AND DEVICE FOR OPTICAL POWER CONTROL
    5.
    发明公开
    METHOD AND DEVICE FOR OPTICAL POWER CONTROL 审中-公开
    用于光功率控制的方法和设备

    公开(公告)号:EP2713528A1

    公开(公告)日:2014-04-02

    申请号:EP11867973.7

    申请日:2011-06-16

    IPC分类号: H04B10/00

    摘要: The present application provides a method for controlling optical power, the method includes: monitoring output optical power of an optical source, and judging whether a preset test control signal is received; when the preset test control signal is not received, modulating a data signal to output light of the optical source, and adjusting a bias current of the optical source according to an output optical power monitoring result of the optical source to implement automatic power control; and when the preset test control signal is received, starting a test and superimposing a test signal to the data signal to form a superimposed signal and modulating the superimposed signal to the output light of the optical source, the output optical power monitoring result of the optical source is ignored during the test period to maintain the bias current of the optical source at a preset target value. The present application further provides an apparatus for controlling optical power.

    摘要翻译: 本发明提供了一种控制光功率的方法,该方法包括:监测光源的输出光功率,判断是否接收到预设的测试控制信号; 当未接收到预设的测试控制信号时,调制数据信号输出光源的光线,并根据光源的输出光功率监测结果调整光源的偏置电流,实现自动功率控制; 当接收到预设的测试控制信号时,开始测试并将测试信号叠加到数据信号上以形成叠加信号并将叠加信号调制为光源的输出光,光学输出光功率监测结果 在测试期间忽略源,以将光源的偏置电流保持在预设的目标值。 本申请还提供了一种控制光功率的装置。

    METHOD AND APPARATUS FOR CONTROLLING OPTICAL POWER
    6.
    发明授权
    METHOD AND APPARATUS FOR CONTROLLING OPTICAL POWER 有权
    用于控制光功率的方法和设备

    公开(公告)号:EP2991244B1

    公开(公告)日:2018-01-24

    申请号:EP15187827.9

    申请日:2011-06-16

    摘要: The present application provides a method for controlling optical power, the method includes: monitoring output optical power of an optical source, and judging whether a preset test control signal is received; when the preset test control signal is not received, modulating a data signal to output light of the optical source, and adjusting a bias current of the optical source according to an output optical power monitoring result of the optical source to implement automatic power control; and when the preset test control signal is received, starting a test and superimposing a test signal to the data signal to form a superimposed signal and modulating the superimposed signal to the output light of the optical source, the output optical power monitoring result of the optical source is ignored during the test period to maintain the bias current of the optical source at a preset target value. The present application further provides an apparatus for controlling optical power.

    OPTICAL FIBER TESTING METHOD, APPARATUS AND PASSIVE OPTICAL NETWORK SYSTEM
    7.
    发明公开
    OPTICAL FIBER TESTING METHOD, APPARATUS AND PASSIVE OPTICAL NETWORK SYSTEM 有权
    GLASFASERTESTVERFHREN UND -VORRICHTUNG SOWIE PASSIVES OPTISCHES NETZWERKSYSTEM

    公开(公告)号:EP2833567A2

    公开(公告)日:2015-02-04

    申请号:EP12741796.2

    申请日:2012-03-27

    IPC分类号: H04B10/08

    CPC分类号: H04B10/07 H04B10/071

    摘要: Embodiments of the present invention disclose a method and an apparatus for testing an optical fiber, relating to the field of optical communications technologies. A method for testing an optical fiber includes: receiving a test optical signal from an optical fiber network, and converting the test optical signal into a test current signal; receiving, by a transimpedance amplifier, the test current signal by using a first working mode and outputting a first test voltage signal; acquiring a swing of the first test voltage signal, and determining whether the swing of the first test voltage signal meets a preset condition; and receiving, by the transimpedance amplifier, the test current signal by using a second working mode and outputting a second test voltage signal when the swing of the first test voltage signal meets the preset condition, where an upper limit and a lower limit of a receiver dynamic range when the transimpedance amplifier works in the first working mode are different from those when the transimpedance amplifier works in the second working mode. The embodiments of the present invention further provides a passive optical network system.

    摘要翻译: 本发明的实施例公开了与光通信技术领域有关的光纤测试方法和装置。 一种测试光纤的方法包括:从光纤网络接收测试光信号,并将测试光信号转换成测试电流信号; 通过跨阻放大器接收通过使用第一工作模式并输出第一测试电压信号的测试电流信号; 获取所述第一测试电压信号的摆幅,以及确定所述第一测试电压信号的摆幅是否满足预设条件; 并且通过所述跨阻抗放大器通过使用第二工作模式接收所述测试电流信号,并且当所述第一测试电压信号的摆幅满足所述预设条件时,输出第二测试电压信号,其中接收器的上限和下限 当跨阻放大器工作在第一工作模式时的动态范围不同于跨阻放大器工作在第二工作模式时的动态范围。 本发明的实施例还提供一种无源光网络系统。