Transmission of Single-Channel 16-QAM Data Signals at Terabaud Symbol Rates

Publication: Research - peer-reviewJournal article – Annual report year: 2012

  • Author: Richter, Thomas

    Heinrich Hertz Institute, Fraunhofer Institute for Telecommunications

  • Author: Palushani, Evarist

    High-Speed Optical Communication, Department of Photonics Engineering, Technical University of Denmark

  • Author: Schmidt-Langhorst, Carsten

    Heinrich Hertz Institute, Fraunhofer Institute for Telecommunications

  • Author: Ludwig, Reinhold

    Heinrich Hertz Institute, Fraunhofer Institute for Telecommunications

  • Author: Molle, Lutz

    Heinrich Hertz Institute, Fraunhofer Institute for Telecommunications

  • Author: Nolle, Markus

    Heinrich Hertz Institute, Fraunhofer Institute for Telecommunications

  • Author: Schubert, Colja

    Heinrich Hertz Institute, Fraunhofer Institute for Telecommunications

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We present latest results for OTDM transmission systems in combination with digital coherent detection achieving record-high serial data rates in a single-wavelength channel. We show serial data transmission of 5.1 Tb/s (640 GBd) over 80-km and 10.2 Tb/s (1.28 TBd) over 29-km dispersion managed fiber (DMF). For 5.1-Tb/s transmission over 80-km DMF, the BER of all 128 OTDM-tributaries (both polarizations) is found to be below the hard-decision FEC-threshold, corresponding to an error-free net data rate of 4.8 Tb/s. In a 10.2-Tb/s experiment, the BER of all 256 TDM-tributaries (both polarizations) is found to be below the FEC-threshold in the back-to-back configuration. This translates to an error-free net data rate of 9.5 Tb/s. After transmission over a 29-km DMF negligible pulse broadening and a BER below the FEC limit is found.
Original languageEnglish
JournalJournal of Lightwave Technology
Publication date2012
Volume30
Issue4
Pages504-511
ISSN0733-8724
DOIs
StatePublished
CitationsWeb of Science® Times Cited: No match on DOI

Keywords

  • Optical fiber communication, Quadrature amplitude modulation (QAM), Optical time-division multiplexing, Coherent detection
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