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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 6 — Mar. 17, 2008
  • pp: 4228–4236

Chromatic dispersion tolerance in optimized NRZ-, RZ- and CSRZ-DPSK demodulation

Yannick Keith Lizé, Xiaoxia Wu, Moshe Nazarathy, Yuval Atzmon, Louis Christen, Scott Nuccio, Mathieu Faucher, Nicolas Godbout, and Alan E. Willner  »View Author Affiliations


Optics Express, Vol. 16, Issue 6, pp. 4228-4236 (2008)
http://dx.doi.org/10.1364/OE.16.004228


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Abstract

We present the results of a comprehensive analysis optimizing the performance of DPSK systems with increased FSR and narrow optical filtering, establishing improved chromatic dispersion tolerance of NRZ-DPSK by 20%, RZ-DPSK by 71% and CSRZ-DPSK by 74% approximately. Transmitting a 40Gb/s signals on a spectrally efficient 50GHz DWDM grid still exhibit improvements of 7% for NRZ-DPSK, 37% for RZ-DPSK and 22% for CSRZ-DPSK, relative to a typical DPSK receiver. The optimized delay and optical filtering scale with the amount of chromatic dispersion. We also demonstrate the impact of limited transmitter bandwidth on optimal optical filtering and bit delay parameters.

© 2008 Optical Society of America

OCIS Codes
(060.5060) Fiber optics and optical communications : Phase modulation

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: November 13, 2007
Revised Manuscript: March 4, 2008
Manuscript Accepted: March 9, 2008
Published: March 12, 2008

Citation
Yannick K. Lize, Xiaoxia Wu, Moshe Nazarathy, Yuval Atzmon, Louis Christen, Scott Nuccio, Mathieu Faucher, Nicolas Godbout, and Alan E. Willner, "Chromatic dispersion tolerance in optimized NRZ-, RZ- and CSRZ-DPSK demodulation," Opt. Express 16, 4228-4236 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-6-4228


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References

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