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Optical exchange for wavelength division multiplexed (WDM) network, and optical exchange method for WDM network
Optical exchange for wavelength division multiplexed (WDM) network, and optical exchange method for WDM network
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机译:WDM网络的光交换及WDM网络的光交换方法
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摘要
An optical exchange for a wavelength division multiplexed (WDM) network performs a switching operation on a plurality of optical signals, which are input via a plurality of input ports, and outputs the resulting optical signals to a plurality of output ports, which are allocated to the input ports, by making deflection the optical signal; target amounts of the deflection to which the respective input optical signals are stored. The deflection is made using a switching controller, which reads out the target amount of deflection for such destination-of-switching output port with respect to such object-of-switching port, and controlling the deflection in such a manner that the individual input optical signals are deflected based on the respective target amounts of deflection. And during the switching, the power-level controller performs a feedback control for adjusting a power level of the individual deflected output optical signal to a target power level.
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