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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 8 — Apr. 9, 2012
  • pp: 8397–8416

A family of Nyquist pulses for coherent optical communications

Benoît Châtelain, Charles Laperle, Kim Roberts, Mathieu Chagnon, Xian Xu, Andrzej Borowiec, François Gagnon, and David. V. Plant  »View Author Affiliations


Optics Express, Vol. 20, Issue 8, pp. 8397-8416 (2012)
http://dx.doi.org/10.1364/OE.20.008397


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Abstract

A new family of Nyquist pulses for coherent optical single carrier systems is introduced and is shown to increase the nonlinearity tolerance of dual-polarization (DP)-QPSK and DP-16-QAM systems. Numerical investigations for a single-channel 28 Gbaud DP-16-QAM long-haul system without optical dispersion compensation indicate that the proposed pulse can increase the reach distance by 26% and 19%, for roll-off factors of 1 and 2, respectively. In multi-channel transmissions and for a roll-off factor of 1, a reach distance increase of 20% is reported. Experimental results for DP-QPSK and DP-16-QAM systems at 10 Gbaud confirm the superior nonlinearity tolerance of the proposed pulse.

© 2012 OSA

OCIS Codes
(060.1660) Fiber optics and optical communications : Coherent communications
(060.2330) Fiber optics and optical communications : Fiber optics communications

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: November 9, 2011
Revised Manuscript: December 20, 2011
Manuscript Accepted: December 23, 2011
Published: March 27, 2012

Citation
Benoît Châtelain, Charles Laperle, Kim Roberts, Mathieu Chagnon, Xian Xu, Andrzej Borowiec, François Gagnon, and David. V. Plant, "A family of Nyquist pulses for coherent optical communications," Opt. Express 20, 8397-8416 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-8-8397


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