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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 7 — Mar. 26, 2012
  • pp: 7316–7322

PMD tolerant direct-detection polarization division multiplexed OFDM systems with MIMO processing

Chia-Chien Wei, Chun-Ting Lin, and Chih-Yun Wang  »View Author Affiliations

Optics Express, Vol. 20, Issue 7, pp. 7316-7322 (2012)

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This work proposes a novel direct-detection polarization division multiplexed OFDM scheme without the need of dynamic polarization control at a polarization-diverse receiver, and the proposed scheme is robust against polarization mode dispersion. Setting the frequency difference between two polarization-orthogonal reference carriers as one subcarrier spacing, possible signal fading can be avoided, and the corresponding interference from adjacent subcarriers is eliminated by a novel MIMO algorithm. The penalty caused by high channel matrix condition number can be decreased by inserting empty tones among subcarriers, and the polarization-dependent OSNR penalty at the BER of 10−3 is <3.6 dB with an empty tone inserted every 8 subcarriers. Moreover, the numerical results demonstrate the 16 × 103-ps/nm chromatic dispersion and the 300-ps differential group delay will not induce additional penalty.

© 2012 OSA

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.4080) Fiber optics and optical communications : Modulation

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: December 5, 2011
Revised Manuscript: February 3, 2012
Manuscript Accepted: March 3, 2012
Published: March 15, 2012

Chia-Chien Wei, Chun-Ting Lin, and Chih-Yun Wang, "PMD tolerant direct-detection polarization division multiplexed OFDM systems with MIMO processing," Opt. Express 20, 7316-7322 (2012)

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  1. Y. Ma, Q. Yang, Y. Tang, S. Chen, W. Shieh, “1-Tb/s single-channel coherent optical OFDM transmission over 600-km SSMF fiber with subwavelength bandwidth access,” Opt. Express 17(11), 9421–9427 (2009). [CrossRef] [PubMed]
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  7. W.-R. Peng, K.-M. Feng, and A. E. Willner, “Direct-detected polarization division multiplexed OFDM systems with self-polarization diversity,” in Proc. CLEOS’08 (2008), paper MH3.
  8. D. Qian, N. Cvijetic, J. Hu, T. Wang, “108 Gb/s OFDMA-PON with polarization multiplexing and direct detection,” J. Lightwave Technol. 28(4), 484–493 (2010). [CrossRef]
  9. A. Amin, H. Takahashi, I. Morita, H. Tanaka, “100-Gb/s direct-detection OFDM transmission on independent polarization tributaries,” IEEE Photon. Technol. Lett. 22(7), 468–470 (2010). [CrossRef]
  10. C.-T. Lin, C.-C. Wei, M.-I. Chao, “Phase noise suppression of optical OFDM signals in 60-GHz RoF transmission system,” Opt. Express 19(11), 10423–10428 (2011). [CrossRef] [PubMed]
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  12. A. J. Lowery, “Improving sensitivity and spectra efficiency in direct-detection optical OFDM systems,” in Proc. OFC’08. (2008), paper OMM4.

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