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Optics Express

Optics Express

  • Editor: C. Martijin de Sterke
  • Vol. 19, Iss. 7 — Mar. 28, 2011
  • pp: 6243–6252

A hybrid WDM/OCDMA ring with a dynamic add/drop function based on Fourier code for local area networks

Yong-Kyu Choi, Kenta Hosoya, Chung Ghiu Lee, Masanori Hanawa, and Chang-Soo Park  »View Author Affiliations


Optics Express, Vol. 19, Issue 7, pp. 6243-6252 (2011)
http://dx.doi.org/10.1364/OE.19.006243


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Abstract

We propose and experimentally demonstrate a hybrid WDM/OCDMA ring with a dynamic add/drop function based on Fourier code for local area networks. Dynamic function is implemented by mechanically tuning the Fourier encoder/decoder for optical code division multiple access (OCDMA) encoding/decoding. Wavelength division multiplexing (WDM) is utilized for node assignment and 4-chip Fourier code recovers the matched signal from the codes. For an optical source well adapted to WDM channels and its short optical pulse generation, reflective semiconductor optical amplifiers (RSOAs) are used with a fiber Bragg grating (FBG) and gain-switched. To demonstrate we experimentally investigated a two-node hybrid WDM/OCDMA ring with a 4-chip Fourier encoder/decoder fabricated by cascading four FBGs with the bit error rate (BER) of <10−9 for the node span of 10.64 km at 1.25 Gb/s.

© 2011 OSA

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.2340) Fiber optics and optical communications : Fiber optics components
(060.4510) Fiber optics and optical communications : Optical communications
(060.4262) Fiber optics and optical communications : Networks, ring

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: January 5, 2011
Revised Manuscript: February 14, 2011
Manuscript Accepted: March 8, 2011
Published: March 18, 2011

Citation
Yong-Kyu Choi, Kenta Hosoya, Chung Ghiu Lee, Masanori Hanawa, and Chang-Soo Park, "A hybrid WDM/OCDMA ring with a dynamic add/drop function based on Fourier code for local area networks," Opt. Express 19, 6243-6252 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-7-6243


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References

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