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Journal Article
Demonstration of 3×341-Gb/s PDM-OFDM-256 Iterative Polar Modulation Signals over 495 km of a Field-Deployed WDM System
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- Authors
- S. Chandrasekhar, X. Liu, P. J. Winzer, T. H. Lotz, C. J. Youn, Y. H. Kwon, E. S. Nam
- Issue Date
- 2015-02
- Citation
- IEEE/OSA Journal of Lightwave Technology, v.33, no.3, pp.625-630
- ISSN
- 0733-8724
- Publisher
- IEEE, OSA
- Language
- English
- Type
- Journal Article
- Project Code
- 14MB1100, Development of key technologies for flexible optical node based on software-defined network(SDN), Kwon Yong-Hwan
- Abstract
- We report a field demonstration of transmission of 1.44 Tb/s over the Korean Advanced Research Network using three 341-Gb/s PDM-OFDM signals with 256-iterative-polar-modulation. The dispersion managed commercial wavelength-division multiplexed (WDM) transmission system, deployed on legacy fiber and supporting WDM transmission on a 100-GHz grid, covered the distance of 248 km between Daejeon and Seoul. Using a loop-back configuration, the three channels were transmitted over a total distance of 495 km. Successful transmission was achieved by adopting both a digital signal processing-based intersymbol-interference compensation technique and an enhanced soft-decision decoder for the coded modulaton.
- KSP Keywords
- Digital Signal Processing, Interference compensation, OFDM signal, Soft-decision, Three channels, Total distance, Transmission system, WDM system, Wavelength Division Multiplexing(WDM), Wdm transmission, compensation technique