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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 6 — Mar. 24, 2014
  • pp: 6478–6485

Generation of 1.024-Tb/s Nyquist-WDM phase-conjugated twin vector waves by a polarization-insensitive optical parametric amplifier for fiber-nonlinearity-tolerant transmission

Xiang Liu, Hao Hu, S. Chandrasekhar, R. M. Jopson, A. H. Gnauck, M. Dinu, C. Xie, and P. J. Winzer  »View Author Affiliations

Optics Express, Vol. 22, Issue 6, pp. 6478-6485 (2014)

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We experimentally demonstrate the generation of 1.024-Tb/s Nyquist-WDM phase-conjugated vector twin waves (PCTWs), consisting of eight 128-Gb/s polarization-division-multiplexed QPSK signals and their idlers, by a broadband polarization-insensitive fiber optic parametric amplifier. This novel all-optical signal processing approach to generate WDM-PCTWs enables a 2-fold reduction in the needed optical transmitters as compared to the conventional approach where each idler is generated by a dedicated transmitter. Digital coherent superposition of the twin waves at the receiver enables more than doubled reach in a dispersion-managed transmission link. We further study the impact of polarization-mode dispersion on the performance gain brought by the phase-conjugated twin waves, showing a gain of ~3.8 dB in signal quality factors.

© 2014 Optical Society of America

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(190.5040) Nonlinear optics : Phase conjugation

ToC Category:
Optical Communications

Original Manuscript: December 27, 2013
Revised Manuscript: March 3, 2014
Manuscript Accepted: March 3, 2014
Published: March 12, 2014

Xiang Liu, Hao Hu, S. Chandrasekhar, R. M. Jopson, A. H. Gnauck, M. Dinu, C. Xie, and P. J. Winzer, "Generation of 1.024-Tb/s Nyquist-WDM phase-conjugated twin vector waves by a polarization-insensitive optical parametric amplifier for fiber-nonlinearity-tolerant transmission," Opt. Express 22, 6478-6485 (2014)

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