Study on dispersion-induced phase noise in an optical OFDM radio-over-fiber system at 60-GHz band

doi:10.1364/OE.18.020774

Study on dispersion-induced phase noise in an optical OFDM radio-over-fiber system at 60-GHz band

Chia Chien Wei and Jason (Jyehong) Chen »View Author Affiliations

Optics Express, Vol. 18, Issue 20, pp. 20774-20785 (2010)
http://dx.doi.org/10.1364/OE.18.020774

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Abstract

Abstract: While coherency between an RF-tone and OFDM signals in RoF systems at 60 GHz is de-correlated by fiber dispersion, both phase rotation term (PRT) on each subcarrier and inter-carrier interference (ICI) between subcarriers are induced at a receiver. We analytically calculate the powers of PRT and ICI under different parameters, such as subcarrier number, modulation format, laser linewidth and transmission distance. Moreover, dispersion-induced ICI is shown to be non-Gaussian distributed by its kurtosis, and its distribution depends on system parameters. Therefore, using only the power of ICI cannot predict accurate bit error rate (BER) and corresponding power penalty. We propose to use t-distribution to fit the distribution of ICI, and it can be used to compute BER precisely.

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.5625) Fiber optics and optical communications : Radio frequency photonics

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: August 11, 2010
Revised Manuscript: September 7, 2010
Manuscript Accepted: September 7, 2010
Published: September 15, 2010

Citation
Chia Chien Wei and Jason (Jyehong) Chen, "Study on dispersion-induced phase noise in an optical OFDM radio-over-fiber system at 60-GHz band," Opt. Express 18, 20774-20785 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-20-20774

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References

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