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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 26 — Dec. 10, 2012
  • pp: B32–B37

Physical secure enhancement in optical OFDMA-PON based on two-dimensional scrambling

Lijia Zhang, Xiangjun Xin, Bo Liu, and Xiaoli Yin  »View Author Affiliations


Optics Express, Vol. 20, Issue 26, pp. B32-B37 (2012)
http://dx.doi.org/10.1364/OE.20.000B32


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Abstract

This paper proposes a novel physical-enhanced chaotic secure strategy for optical OFDMA-PON based on two-dimensional (2-D) scrambling. In order to enhance the physical security, a multi-layer chaotic mapping is proposed to generate the scrambling vectors. It can enhance the chaotic characteristic of Logistic mapping and increase the key space. Furthermore, the 2-D scrambling jointly utilizing frequency subcarriers and time-slots can improve the system resistance to eavesdropper. The feasibility of 15.6 Gb/s 2-D encrypted 64QAM-OFDM downstream signal has been successfully demonstrated in the experiment. The robustness of the proposed method shows its prospect in future OFDM access network.

© 2012 OSA

OCIS Codes
(060.4080) Fiber optics and optical communications : Modulation
(060.4250) Fiber optics and optical communications : Networks
(060.4510) Fiber optics and optical communications : Optical communications

ToC Category:
Access Networks and LAN

History
Original Manuscript: October 1, 2012
Revised Manuscript: October 29, 2012
Manuscript Accepted: November 7, 2012
Published: November 28, 2012

Virtual Issues
European Conference on Optical Communication 2012 (2012) Optics Express

Citation
Lijia Zhang, Xiangjun Xin, Bo Liu, and Xiaoli Yin, "Physical secure enhancement in optical OFDMA-PON based on two-dimensional scrambling," Opt. Express 20, B32-B37 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-26-B32


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References

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