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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 22 — Oct. 22, 2012
  • pp: 25161–25168

Constellation-masked secure communication technique for OFDM-PON

Bo Liu, Lijia Zhang, Xiangjun Xin, and Jianjun Yu  »View Author Affiliations

Optics Express, Vol. 20, Issue 22, pp. 25161-25168 (2012)

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This paper proposes a novel secure communication technique using constellation masking for applications in orthogonal frequency division multiplexing passive optical network (OFDM-PON). The constellation masking is applied both on each subcarrier and among different subcarriers. The Arnold mapping is utilized as the parameter function for the mask factors. A interleave length is employed to provide a scalable masking granularity for different ONUs. A 15.54 Gb/s constellation-masked 32QAM-OFDM signal has been successfully transmitted over 25-km single mode fiber in the experiment. Experimental results show that the proposed scheme can effectively protect the system from illegal ONU without wasting the bandwidth. The constellation-masked technique suggests an effective solution for the physical secure communication 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:
Fiber Optics and Optical Communications

Original Manuscript: August 28, 2012
Revised Manuscript: October 15, 2012
Manuscript Accepted: October 17, 2012
Published: October 19, 2012

Bo Liu, Lijia Zhang, Xiangjun Xin, and Jianjun Yu, "Constellation-masked secure communication technique for OFDM-PON," Opt. Express 20, 25161-25168 (2012)

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