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    • 2. 发明授权
    • Adjustable optical fiber grating dispersion compensators
    • 可调光纤光栅色散补偿器
    • US06304696B1
    • 2001-10-16
    • US09615470
    • 2000-07-13
    • David Brian PattersonBrian Charles Moore
    • David Brian PattersonBrian Charles Moore
    • G02B634
    • G02B6/29376G02B6/2932G02B6/29395H04B10/2519
    • Adjustable optical fiber grating dispersion compensators. The invention provides a fully tunable dispersion compensator with a wide dynamic range. Dispersion compensators according to the invention are based on uniform fiber Bragg grating technology. Individual gratings are tuned so that the gratings, which normally operate in reflection mode, operate in transmission mode with the frequency of interest falling just outside a reflection band edge. Gratings are combined to provide broadband, or multiple-wavelength dispersion. Tuning is provided via transducers coupled to the gratings. A control system can be connected to the transducers to provide a control signal so that the frequencies of the gratings can be dynamically tuned. The control system operates by measuring signals from opto-electronic detectors. The signals are used to determine a fractional spectral power transmitted through a filter. The fractional spectral power is related to the amount of dispersion present in the optical path of the network.
    • 可调式光纤光栅色散补偿器。 本发明提供了具有宽动态范围的完全可调色散补偿器。 根据本发明的色散补偿器基于均匀的光纤布拉格光栅技术。 调整各个光栅,使得通常以反射模式操作的光栅以传输模式工作,感兴趣的频率正好落在反射带边缘的外侧。 光栅被组合以提供宽带或多波长色散。 通过耦合到光栅的传感器提供调谐。 控制系统可以连接到换能器以提供控制信号,使得光栅的频率可以被动态地调谐。 控制系统通过测量光电检测器的信号进行工作。 这些信号用于确定通过滤波器传输的分数光谱功率。 分数光谱功率与存在于网络光路中的色散量有关。
    • 3. 发明授权
    • Adjustable optical fiber grating dispersion compensators
    • 可调光纤光栅色散补偿器
    • US06356684B1
    • 2002-03-12
    • US09548977
    • 2000-04-14
    • David Brian PattersonBrian Charles Moore
    • David Brian PattersonBrian Charles Moore
    • G02B634
    • G02B6/29376G02B6/2932G02B6/29395H04B10/2519
    • Adjustable optical fiber grating dispersion compensators. The invention provides a fully tunable dispersion compensator with a wide dynamic range. Dispersion compensators according to the invention are based on uniform fiber Bragg grating technology. Individual gratings are tuned so that the gratings, which normally operate in reflection mode, operate in transmission mode with the frequency of interest falling just outside a reflection band edge. Gratings are combined to provide broadband, or multiple-wavelength dispersion. Tuning is provided via transducers coupled to the gratings. A control system can be connected to the transducers to provide a control signal so that the frequencies of the gratings can be dynamically tuned. The control system operates by measuring signals from opto-electronic detectors. The signals are used to determine a fractional spectral power transmitted through a filter. The fractional spectral power is related to the amount of dispersion present in the optical path of the network.
    • 可调光纤光栅色散补偿器。 本发明提供了具有宽动态范围的完全可调色散补偿器。 根据本发明的色散补偿器基于均匀的光纤布拉格光栅技术。 调整各个光栅,使得通常以反射模式操作的光栅以传输模式工作,感兴趣的频率正好落在反射带边缘的外侧。 光栅被组合以提供宽带或多波长色散。 通过耦合到光栅的传感器提供调谐。 控制系统可以连接到换能器以提供控制信号,使得光栅的频率可以被动态地调谐。 控制系统通过测量光电检测器的信号进行工作。 这些信号用于确定通过滤波器传输的分数光谱功率。 分数光谱功率与存在于网络光路中的色散量有关。