The relation between channel spacing and effect of XPM and FWM in DWDM system was analyzed, and a new solution for simulation of high speed and long haul DWDM system was derived.

本文分析了DWDM系统中xpm和FWM效应随信道间距变化的关系，并提出了大容量长距离DWDM系统仿真的解决方案。

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Riding on cutting-edge technologies such as flex oDSP, super SD-FEC, and flex modulation format, this field trial achieved a record-breaking transmission distance of 1, 500 km using a super-channel PDM-16QAM-based high spectral efficiency solution, and a second record-breaking transmission distance of 3, 325 km using a super-channel Nyquist PDM-QPSK-based ultra-long-haul solution.

ENGADGET: Huawei tests 2Tbps data transmission over Vodafone's German network, calls it a 'first'

Offering a solution for the long haul is Fuse Corps, a non-profit devoted to recruiting and training batches of civic entrepreneurs year after year.

FORBES: The Solution to Local Government Is In Grooming Talent & Giving Them Challenges