• DocumentCode
    1578284
  • Title

    Comparison of RZ and NRZ formats in 112-Gb/s PDM-QPSK long haul coherent transmission systems

  • Author

    Xie, Chongjin ; Raybon, Greg ; Chandrasekhar, S.

  • Author_Institution
    Bell Labs., Alcatel-Lucent, Holmdel, NJ, USA
  • fYear
    2011
  • Firstpage
    1
  • Lastpage
    3
  • Abstract
    We show that 112-Gb/s PDM-QPSK coherent transmission systems with RZ pulse shape have better tolerance to ROADM filtering than NRZ, and time-interleaved RZ-PDM-QPSK outperform NRZ-PDM-QPSK in nonlinear transmission even with tight filtering.
  • Keywords
    quadrature phase shift keying; NRZ format; PDM-QPSK coherent transmission system; ROADM filtering; RZ pulse shape; bit rate 112 Gbit/s; nonlinear transmission; Filtering; Nonlinear optics; Optical add-drop multiplexers; Optical fibers; Optical filters; Phase shift keying;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Optical Fiber Communication Conference and Exposition (OFC/NFOEC), 2011 and the National Fiber Optic Engineers Conference
  • Conference_Location
    Los Angeles, CA
  • ISSN
    pending
  • Print_ISBN
    978-1-4577-0213-6
  • Type

    conf

  • Filename
    5875087