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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 9 — May. 5, 2014
  • pp: 10455–10466

Experimental demonstrations of dual polarization CO-OFDM using mid-span spectral inversion for nonlinearity compensation

Monir Morshed, Liang B. Du, Benjamin Foo, Mark D. Pelusi, Bill Corcoran, and Arthur J. Lowery  »View Author Affiliations


Optics Express, Vol. 22, Issue 9, pp. 10455-10466 (2014)
http://dx.doi.org/10.1364/OE.22.010455


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Abstract

We experimentally demonstrate fiber nonlinearity compensation in dual polarization coherent optical OFDM (DP CO-OFDM) systems using mid-span spectral inversion (MSSI). We use third-order nonlinearity between a pump and the signal in a highly nonlinear fiber (HNLF) for MSSI. Maximum launch powers at FEC threshold for two 10 × 80-km 16-QAM OFDM systems were increased by 6.4 dB at a 121-Gb/s data rate and 2.8 dB at 1.2 Tb/s. The experimental results are the first demonstration of using MSSI for nonlinearity compensation in any dual polarization coherent system. Simulations show that these increases could support a 22% increase in total transmission distance at 1.2-Tb/s system without increasing the number of inline amplifiers, by extending the fiber spans from 90 to 110 km. When spans of 80 km are used, simulations reveal that MSSI system performance shows less degradation with increasing transmission distance, and an overall transmission distance increase of more than 70% is expected using MSSI.

© 2014 Optical Society of America

OCIS Codes
(060.4080) Fiber optics and optical communications : Modulation
(060.4510) Fiber optics and optical communications : Optical communications
(070.4340) Fourier optics and signal processing : Nonlinear optical signal processing
(070.5040) Fourier optics and signal processing : Phase conjugation
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing

ToC Category:
Optical Communications

History
Original Manuscript: February 28, 2014
Revised Manuscript: April 9, 2014
Manuscript Accepted: April 12, 2014
Published: April 23, 2014

Citation
Monir Morshed, Liang B. Du, Benjamin Foo, Mark D. Pelusi, Bill Corcoran, and Arthur J. Lowery, "Experimental demonstrations of dual polarization CO-OFDM using mid-span spectral inversion for nonlinearity compensation," Opt. Express 22, 10455-10466 (2014)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-22-9-10455


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