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Photonic 640-Gb/s Reconfigurable OTDM Add–Drop Multiplexer Based on Pump Depletion in a Single PPLN Waveguide

机译:在单个PPLN波导中基于泵损耗的光子640 Gb / s可重配置OTDM加/减复用器

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摘要

All-optical time-domain channel extraction and clearing operations based on nonlinear effects in a periodically poled lithium niobate (PPLN) waveguide is investigated at 640 Gb/s. The suitability of this device for 640-Gb/s signal processing has been confirmed exploiting only pump depletion. Moreover, a 640-Gb/s reconfigurable optical time-division multiplexing (OTDM) add-drop multiplexer is demonstrated, using a single PPLN waveguide based on a counterpropagating configuration. Error-free operation confirms the effectiveness of a single device for simultaneous add-drop functions. Reconfigurable operations have been verified through bit error rate measurements, including the case of simultaneous add-drop of multiple channels in the OTDM frame.
机译:在640 Gb / s速率下研究了基于非线性效应的周期性极化铌酸锂(PPLN)波导中的全光时域通道提取和清除操作。仅使用泵损耗已确认该设备适用于640 Gb / s信号处理。此外,使用了一个基于反向传播配置的PPLN波导,展示了640 Gb / s可重构光时分多路复用(OTDM)分插复用器。无错操作确认了单个设备对同时进行分插功能的有效性。可重配置的操作已通过误码率测量得到了验证,包括在OTDM帧中同时添加多个通道的情况。

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