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    • 1. 发明申请
    • METHOD FOR NETWORK COMMISSIONING AND UPGRADING USING AMPLIFIED SPONTANEOUS EMISSION (ASE) SOURCES
    • 使用放大的自发放电(ASE)源进行网络调试和升级的方法
    • US20070201126A1
    • 2007-08-30
    • US11615953
    • 2006-12-23
    • Jason De RocherHamish MacDonaldWalter Carpini
    • Jason De RocherHamish MacDonaldWalter Carpini
    • H01S3/00
    • H04B10/275
    • This invention provides a method for commissioning and upgrading an optical ring network using its internal amplifiers as Automatic Spontaneous Emission sources of light that are used in making measurements. A modular segmented approach is adopted and the network is commissioned segment by segment. A flexible method is used for upgrading a commissioned network by adding or deleting a node or changing the internal configuration of a node. The method uses techniques for the correction of the Optical Signal to Noise Ratio induced error as well as the Spectral Filtering Error during the loss computation required for adjusting the gains of the amplifiers at each network node to an appropriate value. Since the method does not require an external laser source that needs to be moved manually from node to node it greatly reduces the commissioning time. Since it uses only the components of the network itself and does not deploy any additional device it also leads to a significant saving in cost.
    • 本发明提供了一种使用其内部放大器调试和升级光环网络的方法,所述放大器是用于进行测量的自动自发发射光源。 采用模块化分段方式,逐段调试网络。 灵活的方法用于通过添加或删除节点或更改节点的内部配置来升级委托网络。 该方法使用用于校正光信噪比诱导误差的技术以及在将每个网络节点处的放大器的增益调整到适当值所需的损耗计算期间的光谱滤波误差。 由于该方法不需要需要从节点手动移动的外部激光源,因此大大减少了调试时间。 由于它仅使用网络组件本身,并且不部署任何其他设备,因此也可大大节省成本。
    • 2. 发明申请
    • Method and system for avoiding amplified spontaneous emission loops in an optical network
    • 用于避免光网络中放大的自发发射环路的方法和系统
    • US20060291860A1
    • 2006-12-28
    • US11452200
    • 2006-06-14
    • Walter CarpiniJohn Spicer
    • Walter CarpiniJohn Spicer
    • H04B10/20
    • H04B10/27H04B10/275H04J14/0227H04J14/0228H04J14/0238H04J14/0241H04J14/0283H04J14/0284
    • Optical communication networks often incorporate fiber rings or fiber mesh topologies for interconnecting its nodes. Both of these topologies can contain closed optical loops at one or more wavelengths within the optical spectrum. In amplified optical systems, the inherent loss of these optical loops is counteracted by the amplifier gain. Thus, the optical loop may have a net loss that is too low to prevent excessive noise buildup resulting in a lasing fiber loop. The noise that builds up within such amplified systems is dominated by the Amplified Spontaneous Emission (ASE) noise resulting in ASE loops. Such loops can have a serious impact on all wavelengths carried by the fiber and lead to a partial or complete loss of end to end communication due to a severe degradation in signal to noise ratio. This invention provides an effective method and system for avoiding ASE loops in optical communication networks. The method deploys optical seams as well as a unique signature for a wavelength instance for achieving an effective solution that is resilient to errors and failures that may occur on the system both during service creation and normal operation.
    • 光通信网络通常包含用于互连其节点的光纤环或光纤网格拓扑。 这两种拓扑结构都可以在光谱内的一个或多个波长处包含封闭的光环路。 在放大光学系统中,这些光环路的固有损耗由放大器增益抵消。 因此,光环路可能具有太低的净损耗,从而不能防止过多的噪声累积,导致激光光纤环路。 在这种放大系统内建立的噪声主要是由放大自发辐射(ASE)噪声导致ASE环路。 由于信噪比严重下降,这种环路可能对光纤承载的所有波长产生严重的影响,并导致端到端通信的部分或完全丢失。 本发明提供了一种避免光通信网络中的ASE环路的有效方法和系统。 该方法部署光学接缝以及用于波长实例的唯一签名,以实现有效解决方案,该解决方案对于在服务创建和正常操作期间可能在系统上可能发生的错误和故障是有弹性的。