Dual-channel-output all-optical logic AND gate at 20 Gbit=s based on cascaded second-order nonlinearity in PPLN waveguide

@inproceedings{Wang2007DualchanneloutputAL,
  title={Dual-channel-output all-optical logic AND gate at 20 Gbit=s based on cascaded second-order nonlinearity in PPLN waveguide},
  author={Jun Wang and Junhua Sun and Qing Chi Sun and Dalin Wang and Meng Zhou and Xinliang Zhang and Dexiu Huang and Alejandro D. Farinas},
  year={2007}
}
Proposed and demonstrated is a novel scheme of a dual-channel-output all-optical logic AND gate. Using cascaded sum- and difference-frequency generation in a periodically poled lithium niobate (PPLN) waveguide, 20 Gbit/s logic AND operation with dual-channel outputs is successfully observed in the experiment. 

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