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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 12 — Jun. 8, 2009
  • pp: 9918–9923

A compact nonlinear fiber-based optical autocorrelation peak discriminator

M. P. Fok, Y. Deng, and P. R. Prucnal  »View Author Affiliations


Optics Express, Vol. 17, Issue 12, pp. 9918-9923 (2009)
http://dx.doi.org/10.1364/OE.17.009918


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Abstract

We experimentally demonstrate a nonlinear fiber-based optical autocorrelation peak discriminator. The approach exploits four-wave mixing in a 37-cm highly-nonlinear bismuth-oxide fiber that provides a passive and compact means for rejecting cross-correlation peaks. The autocorrelation peak discriminator plays an important role in improving the detection of optical CDMA signals. Eye diagrams and bit-error rates are measured at different power ratios. Significant receiver sensitivity improvements are obtained and error-floors are removed. The experimental results show that the autocorrelation peak discriminator works well even when the amplitudes of individual cross-correlation peaks are higher than that of the autocorrelation peak.

© 2009 OSA

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.4510) Fiber optics and optical communications : Optical communications
(190.4370) Nonlinear optics : Nonlinear optics, fibers
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: March 10, 2009
Revised Manuscript: May 12, 2009
Manuscript Accepted: May 25, 2009
Published: May 28, 2009

Citation
M. P. Fok, Y. Deng, and P. R. Prucnal, "A compact nonlinear fiber-based optical autocorrelation peak discriminator," Opt. Express 17, 9918-9923 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-12-9918


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References

  1. C. Michie, I. Andonovic, R. Atkinson, Y. Deng, J. Szefer, C.-S. Bres, Y. K. Huang, I. Glesk, P. Prucnal, K. Sasaki, and G. Gupta, “Interferometric noise characterization of a 2-D time-spreading wavelength-hopping OCDMA network using FBG encoding and decoding,” J. Opt. Netw. 6(6), 663–676 (2007). [CrossRef]
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  3. K. Kravtsov, P. R. Prucnal, and M. M. Bubnov, “Simple nonlinear interferometer-based all-optical thresholder and its applications for optical CDMA,” Opt. Express 15(20), 13114–13122 (2007). [CrossRef] [PubMed]
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  6. X. Wang, T. Hamanaka, N. Wada, and K. Kitayama, “Dispersion-flattened-fiber based optical thresholder for multiple-access-interference suppression in OCDMA system,” Opt. Express 13(14), 5499–5505 (2005). [CrossRef] [PubMed]
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  8. C.-S. Brès, Y.-K. Huang, I. Glesk, and P. R. Prucnal, “Scalable asynchronous incoherent optical CDMA [Invited],” J. Opt. Netw. 6(6), 599–615 (2007). [CrossRef]
  9. G.-C. Yang, and W. C. Kwong, “Prime Codes with applications to CDMA Optical and Wireless Networks,” Artech House, Norwood, Massachusetts, (2002)

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