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    Control Method And System For Cascade Hybrid Amplifier
    5.
    发明申请
    Control Method And System For Cascade Hybrid Amplifier 审中-公开

    公开(公告)号：US20180241473A1

    公开(公告)日：2018-08-23

    申请号：US15754912

    申请日：2015-12-18

    Applicant: Accelink Technologies Co., Ltd.

    Inventor： Yunyu Jing ,  Chengpeng Fu ,  Jintao Tao ,  Cuihong Zhang ,  Tao Xiong ,  Zhi Yang

    IPC: H04B10/294 ,  H01S3/30 ,  H01S3/067

    Abstract: Provided are a control method and system for a cascade hybrid amplifier, in which respective hybrid amplifiers in the cascade hybrid amplifier simultaneously start to implement a pump-starting process comprising: when the hybrid amplifier receives a request to start pumping, determining whether conditions are satisfied, if yes, determining stability of power of an input light of a Raman, starting pumping of an EDFA so that the EDFA enters into an APC operation mode; starting pumping of the Raman, and calculating a gain deviation according to the calculated input light powers before and after pump-starting of the Raman when no reflection alarm exists; and adjusting gain of the Raman according to the gain deviation, and switching to an AGC (automatic gain control) operation mode after the adjustment; and switching the EDFA to the AGC operation mode.

    Raman Pump Laser Control Apparatus And Control Method Therefor
    7.
    发明申请
    Raman Pump Laser Control Apparatus And Control Method Therefor 有权
    拉曼泵激光控制装置及其控制方法

    公开(公告)号：US20170025814A1

    公开(公告)日：2017-01-26

    申请号：US15106553

    申请日：2013-12-25

    Applicant: ACCELINK TECHNOLOGIES CO., LTD ,  ACCELINK ELECTRONIC TECHNOLOGY CO., LTD

    Inventor： Tao Xiong ,  Chengpeng Fu ,  Menghui Le ,  Jintao Tao ,  Yunyu Jing ,  Qinlian Bu ,  Chunping Yu

    IPC: H01S3/30 ,  H01S3/094 ,  H01S3/067 ,  H01S3/23 ,  H01S3/13

    CPC classification number: H01S3/302 ,  H01S3/06754 ,  H01S3/094003 ,  H01S3/094096 ,  H01S3/1301 ,  H01S3/1305 ,  H01S3/2391 ,  H04B10/2916

    Abstract: A Raman pump laser control apparatus comprises a wavelength division multiplexer, a tap coupler, a photoelectric detector, an analogue amplification processing circuit, an analogue-to-digital converter, a fast Raman pump control unit, an digital-analog converter, and a Raman pump laser. The fast Raman pump control unit, after having known anticipated output light power of the Raman pump laser, based on a direct relationship between a current anticipated output light power of the Raman pump laser and input digital quantity that is needed by the digital-analog converter, uses a feedforward control mechanism so that actual output light power of the Raman pump laser fastly approximates the anticipated output light power thereof, and then synchronously combines with a feedback control mechanism so that the actual output light power of the Raman pump laser is precisely locked on the anticipated output light power, thereby achieving fast and precise control of the Raman pump laser.

    Abstract translation: 拉曼泵激光控制装置包括波分多路复用器，抽头耦合器，光电检测器，模拟放大处理电路，模数转换器，快速拉曼泵控制单元，数模转换器和拉曼 泵激光器。 基于拉曼泵浦激光器的当前预期输出光功率与数模转换器所需的输入数字量之间的直接关系，在已知拉曼泵浦激光器的预期输出光功率之后，快速拉曼泵控制单元 使用前馈控制机构，使得拉曼泵激光器的实际输出光功率快速近似其预期输出光功率，然后与反馈控制机构同步组合，使得拉曼泵浦激光器的实际输出光功率被精确锁定 在预期的输出光功率上，从而实现对拉曼泵浦激光器的快速和精确的控制。

    HYBRID FIBER AMPLIFIER AND METHOD FOR ADJUSTING GAIN AND GAIN SLOPE THEREOF
    8.
    发明申请
    HYBRID FIBER AMPLIFIER AND METHOD FOR ADJUSTING GAIN AND GAIN SLOPE THEREOF 有权
    混合纤维放大器和调整增益和增益斜率的方法

    公开(公告)号：US20150214913A1

    公开(公告)日：2015-07-30

    申请号：US14426047

    申请日：2012-09-27

    Applicant: Accelink Technologies Co., Ltd.

    Inventor： Chengpeng Fu ,  Cuihong Zhang ,  Tao Xiong ,  Menghui Le ,  Jintao Tao ,  Zhenyu Yu ,  Yunyu Jing ,  Qinlian Bu ,  Chunping Yu

    IPC: H03G3/30 ,  H03F3/08

    CPC classification number: H03G3/3084 ,  H01S3/06754 ,  H01S3/094096 ,  H01S3/2375 ,  H01S3/302 ,  H01S2301/04 ,  H03F3/08 ,  H03F3/087 ,  H04B10/2916 ,  H04B10/294

    Abstract: A hybrid fiber amplifier and method of adjusting gain and gain slope of thereof. The hybrid fiber amplifier comprises: RFA and EDFA that does not comprise variable optical attenuator. The RFA comprises pump signal combiner, pump laser group, out-of-band narrow-band filter, and photodetector. The EDFA comprises input coupler, erbium-doped fiber, output coupler, input photodetector, and output photodetector that are connected in sequence. The hybrid fiber amplifier also comprises control module that coordinates and controls EDFA and/or RFA to adjust gain and/or the gain slope based on desired amplification requirements. The EDFA and/or RFA can be coordinated and controlled by using the control module to achieve desired amplification effect. In addition, the EDFA does not comprise the variable optical attenuator, which avoids problems caused by the variable optical attenuator. The hybrid fiber amplifier and method of adjusting gain and gain slope thereof are applicable to technical field of optical communications.

    Abstract translation: 一种混合光纤放大器及其增益和增益斜率的调整方法。 混合光纤放大器包括：RFA和EDFA，其不包括可变光衰减器。 RFA包括泵浦信号组合器，泵浦激光器组，带外窄带滤波器和光电检测器。 EDFA包括依次连接的输入耦合器，掺铒光纤，输出耦合器，输入光电检测器和输出光电检测器。 混合光纤放大器还包括控制模块，其基于期望的放大要求来协调和控制EDFA和/或RFA来调节增益和/或增益斜率。 可以通过使用控制模块来协调和控制EDFA和/或RFA以实现期望的放大效应。 此外，EDFA不包括可变光衰减器，其可以避免由可变光衰减器引起的问题。 混合光纤放大器及其增益和增益斜率的调整方法适用于光通信技术领域。

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