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Transmission of single-carrier 400G signals (515.2-Gb/s) based on 128.8-GBaud PDM QPSK over 10,130- and 6,078 km terrestrial fiber links

  • Junwen Zhang
  • , Jianjun Yu
  • , Benyuan Zhu
  • , Fan Li
  • , Hung Chang Chien
  • , Zhensheng Jia
  • , Yi Cai
  • , Xinying Li
  • , Xin Xiao
  • , Yuan Fang
  • , Yuanquan Wang
  • 1ZTE (TX) Inc.
  • OFS Laboratories

Research output: Contribution to journalArticlepeer-review

Abstract

We experimentally demonstrate the coherent transmission system with the highest ETDM-based symbol rate of 128.8-GBaud over record breaking distances. We successfully transmitted single-carrier 515.2-Gb/s PDM-QPSK/9-QAM signals over 10,130km/6,078-km, respectively, over 100km spans of TeraWave SLA + fiber. To the best of our knowledge, it is the highest ETDM-based symbol rate reported so far, and the longest WDM transmission distance with single-carrier 400G signals. For the first time, the 515.2-Gb/s single-carrier PDM-QPSK signals in 200-GHz-grid are successfully transmitted over distance above 10,000km in terrestrial transmission environment. We have also demonstrated the transmission of single carrier 128.8-GBaud filtered QPSK signals in 100-GHz-grid over 6,078-km, which has the line spectral efficiency (SE) of 5.152 (b/s/Hz).

Original languageEnglish
Pages (from-to)16540-16545
Number of pages6
JournalOptics Express
Volume23
Issue number13
DOIs
Publication statusPublished - 29 Jun 2015
Externally publishedYes

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