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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 8 — Apr. 16, 2007
  • pp: 4410–4418

Transmission simulation of coherent optical OFDM signals in WDM systems

Hongchun Bao and William Shieh  »View Author Affiliations


Optics Express, Vol. 15, Issue 8, pp. 4410-4418 (2007)
http://dx.doi.org/10.1364/OE.15.004410


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Abstract

In this letter, we first present the theoretical basis for coherent optical OFDM systems in direct up/down conversion architecture. We then demonstrate the transmission performance through simulation for WDM systems with coherent optical OFDM (CO-OFDM) including the fiber nonlinearity effect. The results show that the system Q of the WDM channels at 10 Gb/s is over 13.0 dB for a transmission up to 4800 km of standard-single-mode-fiber (SSMF) without dispersion compensation. A novel technique of partial carrier filling (PCF) for improving the non-linearity performance of the transmission is also presented. The system Q of the WDM channels with a filling factor of 50 % at 10 Gb/s is improved from 15.1 dB to 16.8 dB for a transmission up to 3200 km of SSMF without dispersion compensation.

© 2007 Optical Society of America

OCIS Codes
(060.1660) Fiber optics and optical communications : Coherent communications
(060.4080) Fiber optics and optical communications : Modulation

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: January 17, 2007
Revised Manuscript: March 26, 2007
Manuscript Accepted: March 26, 2007
Published: April 3, 2007

Citation
Hongchun Bao and William Shieh, "Transmission simulation of coherent optical OFDM signals in WDM systems," Opt. Express 15, 4410-4418 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-8-4410


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