Method and apparatus for chromatic dispersion compensation
    1.
    发明授权
    Method and apparatus for chromatic dispersion compensation 失效
    用于色散补偿的方法和装置

    公开(公告)号:US07379670B2

    公开(公告)日:2008-05-27

    申请号:US10103390

    申请日:2002-03-21

    IPC分类号: H04J14/02 H04B10/12

    CPC分类号: H04B10/2513 H04B10/2543

    摘要: A method and apparatus is provided for managing chromatic dispersion in an NRZ-based WDM long-haul optical transmission system so that nonlinearities are reduced, especially those at the edge channels of the band. The method includes using between 500 ps/nm and 2000 ps/nm of residual dispersion and a 40%/60% pre/post DCU split ratio when the channel wavelengths are shorter than the zero dispersion wavelength. Using these dispersion compensation rules, the nonlinear propagation effects in NRZ-based WDM systems is reduced, thus allowing for higher optical power per channel and/or longer transmission distances.

    摘要翻译: 提供了一种用于管理基于NRZ的WDM长距离光传输系统中的色散的方法和装置,使得非线性减小,特别是在频带的边缘信道处的非线性。 当沟道波长比零色散波长短时,该方法包括使用500ps / nm和2000ps / nm的残余色散和40%/ 60%的前/后DCU分离比。 使用这些色散补偿规则,减少了基于NRZ的WDM系统中的非线性传播效应,从而允许每个通道的更高的光功率和/或更长的传输距离。

    Dispersion management in branched optical networks
    2.
    发明授权
    Dispersion management in branched optical networks 有权
    分支光网络中的色散管理

    公开(公告)号:US07426323B2

    公开(公告)日:2008-09-16

    申请号:US11350265

    申请日:2006-02-08

    IPC分类号: G02B6/28 G02B6/26 G02B6/02

    CPC分类号: H04B10/25253

    摘要: Dispersion may be managed in a branched optical network by using transmission segments having a single period segment dispersion map. One or more of such segments may be coupled to network nodes such as terminals or branching units such that dispersion may be managed even when the network is reconfigured. In one embodiment, a single period segment dispersion map provides dispersion compensation at the ends of the segment. In another embodiment, a single period segment dispersion-map provides dispersion compensation at the middle of the segment.

    摘要翻译: 可以通过使用具有单个周期段色散映射的传输段在分支光网络中管理色散。 这些片段中的一个或多个可以耦合到诸如终端或分支单元的网络节点,使得即使在重新配置网络时也可以管理色散。 在一个实施例中,单周期段色散映射在段的末端提供色散补偿。 在另一个实施例中,单个周期段色散映射在该段的中间提供色散补偿。

    Dispersion management in branched optical networks
    6.
    发明申请
    Dispersion management in branched optical networks 有权
    分支光网络中的色散管理

    公开(公告)号:US20070183711A1

    公开(公告)日:2007-08-09

    申请号:US11350265

    申请日:2006-02-08

    IPC分类号: G02B6/28

    CPC分类号: H04B10/25253

    摘要: Dispersion may be managed in a branched optical network by using transmission segments having a single period segment dispersion map. One or more of such segments may be coupled to network nodes such as terminals or branching units such that dispersion may be managed even when the network is reconfigured. In one embodiment, a single period segment dispersion map provides dispersion compensation at the ends of the segment. In another embodiment, a single period segment dispersion-map provides dispersion compensation at the middle of the segment.

    摘要翻译: 可以通过使用具有单个周期段色散映射的传输段在分支光网络中管理色散。 这些片段中的一个或多个可以耦合到诸如终端或分支单元的网络节点,使得即使在重新配置网络时也可以管理色散。 在一个实施例中,单周期段色散映射在段的末端提供色散补偿。 在另一个实施例中,单个周期段色散映射在该段的中间提供色散补偿。