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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 11 — May. 23, 2011
  • pp: 10423–10428

Phase noise suppression of optical OFDM signals in 60-GHz RoF transmission system

Chun-Ting Lin, Chia-Chien Wei, and Ming-I Chao  »View Author Affiliations

Optics Express, Vol. 19, Issue 11, pp. 10423-10428 (2011)

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The dispersion-induced phase noise (PN) in an OFDM RoF system at 60 GHz leads to not only subcarrier phase rotation (PRT) but also intercarrier interference (ICI) to severely degrade the transmission performance, when a commercial cost-effective DFB laser with the linewidth of several MHz is adopted. To mitigate both PRT and ICI, a post PN suppression algorithm is proposed, and it does not require any bandwidth-consuming pilot tone. For a 25.78-Gbps 16-QAM OFDM RoF signal using the laser with 1.8-MHz linewidth, employing the algorithm can extend the maximum transmission distance which corresponds to 3-dBm power penalty at the BER of 2×10−3 from 75 km to more than 115 km, i.e. 50% increment of transmission distance.

© 2011 OSA

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.5625) Fiber optics and optical communications : Radio frequency photonics
(060.3510) Fiber optics and optical communications : Lasers, fiber

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: April 1, 2011
Revised Manuscript: May 9, 2011
Manuscript Accepted: May 9, 2011
Published: May 11, 2011

Chun-Ting Lin, Chia-Chien Wei, and Ming-I Chao, "Phase noise suppression of optical OFDM signals in 60-GHz RoF transmission system," Opt. Express 19, 10423-10428 (2011)

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