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    • 1. 发明申请
    • OPTICAL FREQUENCY LOCKING METHOD AND DEVICE FOR OPTICAL DATA TRANSMISSION
    • 光学频率锁定方法和光学数据传输装置
    • US20130064542A1
    • 2013-03-14
    • US13610575
    • 2012-09-11
    • Michael EiseltMarkus Roppelt
    • Michael EiseltMarkus Roppelt
    • H04J14/02
    • H04B10/506H01S5/0617H01S5/0687H01S5/4025H04B10/0797H04B10/572
    • An optical frequency locking method tunes each of a plurality of narrow-band optical channel transmit signals (having arbitrary channel frequency spacings) to a dedicated optical channel frequency. The method includes tapping-off a portion of the optical power of the respective channel transmit signal and filtering the tapped-off channel transmit signal using at least one optical filter device. The method also includes monitoring, as an optical input signal, the optical power of the respective channel transmit signal supplied to the at least one optical filter device and, as an optical output signal, the optical power of the filtered channel transmit signal. The method further includes tuning, within a predetermined locking range for the dedicated optical channel frequency, the optical frequency of the respective channel transmit signal such that a predetermined value for the ratio of the output signal and the input signal is reached.
    • 光频锁定方法将多个窄带光信道发射信号(具有任意信道频率间隔)中的每一个调谐到专用光信道频率。 该方法包括:利用至少一个光学滤波器装置对光信号发射信号的光功率的一部分进行分接,并对分接信道发射信号进行滤波。 该方法还包括作为光输入信号监测提供给至少一个滤光器装置的各个通道发射信号的光功率,以及作为光输出信号来监测滤波后的信道发射信号的光功率。 该方法还包括在专用光信道频率的预定锁定范围内调谐相应信道发射信号的光频率,使得达到输出信号和输入信号的比率的预定值。
    • 2. 发明授权
    • Optical frequency locking method and device for optical data transmission
    • 用于光数据传输的光锁定方法和装置
    • US09166695B2
    • 2015-10-20
    • US13610575
    • 2012-09-11
    • Michael EiseltMarkus Roppelt
    • Michael EiseltMarkus Roppelt
    • H04B10/04H04B10/50H01S5/0687H04B10/079H04B10/572H01S5/06H01S5/40
    • H04B10/506H01S5/0617H01S5/0687H01S5/4025H04B10/0797H04B10/572
    • An optical frequency locking method tunes each of a plurality of narrow-band optical channel transmit signals (having arbitrary channel frequency spacings) to a dedicated optical channel frequency. The method includes tapping-off a portion of the optical power of the respective channel transmit signal and filtering the tapped-off channel transmit signal using at least one optical filter device. The method also includes monitoring, as an optical input signal, the optical power of the respective channel transmit signal supplied to the at least one optical filter device and, as an optical output signal, the optical power of the filtered channel transmit signal. The method further includes tuning, within a predetermined locking range for the dedicated optical channel frequency, the optical frequency of the respective channel transmit signal such that a predetermined value for the ratio of the output signal and the input signal is reached.
    • 光频锁定方法将多个窄带光信道发射信号(具有任意信道频率间隔)中的每一个调谐到专用光信道频率。 该方法包括:利用至少一个光学滤波器装置对光信号发射信号的光功率的一部分进行分接,并对分接信道发射信号进行滤波。 该方法还包括作为光输入信号监测提供给至少一个滤光器装置的各个通道发射信号的光功率,以及作为光输出信号来监测滤波后的信道发射信号的光功率。 该方法还包括在专用光信道频率的预定锁定范围内调谐相应信道发射信号的光频率,使得达到输出信号和输入信号的比率的预定值。
    • 4. 发明授权
    • Optical wavelength division multiplex (WDM) transmission system
    • 光波分复用(WDM)传输系统
    • US08705952B2
    • 2014-04-22
    • US13328759
    • 2011-12-16
    • Klaus GrobeJörg-Peter ElbersMichael EiseltMarkus Roppelt
    • Klaus GrobeJörg-Peter ElbersMichael EiseltMarkus Roppelt
    • H04J14/00
    • H04J14/0278H04J14/0201H04J14/0227H04J14/0246H04J14/025H04J14/0265H04J14/0282H04J14/0291
    • The present invention embraces an optical wavelength division multiplex (WDM) transmission system, especially a WDM passive optical network, typically including a central node having a first and a second WDM port and a remote node having a first and a second WDM port and a plurality of channel ports, the central node first WDM port being connected to the remote node first WDM port via a bidirectional single-fiber optical working path and the central node second WDM port being connected to the remote node second WDM port via a single-fiber bidirectional optical protection path, and a group of basic optical node units (ONU's) each of which is connected to a respective remote node channel port via a bidirectional optical ONU path, each ONU including an optical receiver for receiving a downstream optical channel signal and an optical tunable transmitter for creating an upstream channel signal.
    • 本发明包括光波分复用(WDM)传输系统,特别是WDM无源光网络,通常包括具有第一和第二WDM端口的中心节点和具有第一和第二WDM端口的多个远端节点 的通道端口,中央节点第一WDM端口经由双向单光纤工作路径连接到远程节点第一WDM端口,并且中央节点第二WDM端口经由单纤双向连接到远程节点第二WDM端口 光保护路径和一组基本的光节点单元(ONU),每个基本光节点单元通过双向光ONU路径连接到相应的远程节点信道端口,每个ONU包括用于接收下行光信道信号的光接收机和光接收机 可调谐发射机,用于创建上行信道信号。