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A comparison for improving the performance of two-stage optical phase conjugation using the third-order nonlinearity

机译:利用三阶非线性提高两级光学相位缀合性能的比较

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We present the two-stage optical phase conjugation (OPC) to compensate both dispersion and Kerr nonlinearities in a long-haul 4×56 Gbit/s RZ-DQPSK DWDM transmission system. The two-stage OPC is realized to reduce the amount of unwanted products that are produced through nonlinear mixing processes in third-order nonlinear media. We have investigated the benefit of the two-stage OPC using highly nonlinear fiber (HNLF) and chalcogenide As2S3 waveguide for comparison. We have shown that the performance of the two-stage OPC is significantly improved only in HNLF.
机译:我们介绍了两级光学相位缀合(OPC),以补偿长途4×56 Gbit / S RZ-DQPSK DWDM传输系统中的分散和克尔非线性。实现了两级OPC,以减少通过在三阶非线性介质中的非线性混合过程产生的不需要产品的量。我们研究了双级OPC使用高度非线性纤维(HNLF)和硫属化物作为<亚> 2 S 3 波导进行比较。我们已经表明,两级OPC的性能仅在HNLF中显着改善。

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