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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 35, Iss. 17 — Sep. 1, 2010
  • pp: 2979–2981

Phase-transparent optical data exchange of 40 Gbit/s differential phase-shift keying signals

Jian Wang, Zahra Bakhtiari, Scott R. Nuccio, Omer F. Yilmaz, Xiaoxia Wu, and Alan E. Willner  »View Author Affiliations


Optics Letters, Vol. 35, Issue 17, pp. 2979-2981 (2010)
http://dx.doi.org/10.1364/OL.35.002979


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Abstract

We report the phase-transparent optical data exchange of differential phase-shift keying (DPSK) signals by exploiting the parametric depletion of nondegenerate four-wave mixing (FWM) in a highly nonlinear fiber. Theoretical analyses of nondegenerate FWM involving two signals and two pumps are presented. Analytical solutions are derived, indicating the exchange condition and the feasibility of phase-transparent data exchange. Optical data exchange between 10.7 Gbit / s non-return-to-zero DPSK (NRZ-DPSK) and return-to-zero DPSK signals is implemented with a power penalty of ~1.5 dB at a bit-error rate (BER) of 10 9 . Moreover, we demonstrate phase-transparent optical data exchange between two 40 Gbit / s NRZ-DPSK signals with a power penalty of ~4.5 dB at a BER of 10 9 .

© 2010 Optical Society of America

OCIS Codes
(060.4510) Fiber optics and optical communications : Optical communications
(060.5060) Fiber optics and optical communications : Phase modulation
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes

ToC Category:
Nonlinear Optics

History
Original Manuscript: May 25, 2010
Revised Manuscript: August 9, 2010
Manuscript Accepted: August 12, 2010
Published: August 31, 2010

Citation
Jian Wang, Zahra Bakhtiari, Scott R. Nuccio, Omer F. Yilmaz, Xiaoxia Wu, and Alan E. Willner, "Phase-transparent optical data exchange of 40 Gbit/s differential phase-shift keying signals," Opt. Lett. 35, 2979-2981 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-17-2979


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References

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