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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 3 — Feb. 10, 2014
  • pp: 2185–2192

Performance improvement of double-sideband signals in radio-over-fiber links utilizing pre-distortion method

Jia Ye, Lianshan Yan, An Li, Xi Chen, and William Shieh  »View Author Affiliations


Optics Express, Vol. 22, Issue 3, pp. 2185-2192 (2014)
http://dx.doi.org/10.1364/OE.22.002185


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Abstract

In this paper, we investigate the optimal carrier-to-sideband ratio (CSR) for optical double-sideband (DSB) signals in radio-over-fiber (RoF) transmission. A pre-distortion method based on spectral shaping is proposed to optimize the signal CSR and eliminate the dispersion-induced power fading. A 12 GHz RoF transmission over 29 km standard single mode fiber (SSMF) is experimentally demonstrated which reveals that pre-distorted DSB has a 4.4 dB improvement over the one without pre-distortion, and 1.2 dB sensitivity advantage over single sideband (SSB) both with optimal CSR. The pre-distortion method is also applied to multi-channel transmission. The multi-channel experiment shows that for all channels the dispersion-induced power fading effects can be simultaneously mitigated and the pre-distorted DSB signals have ~1 dB sensitivity improvement over the SSB signals.

© 2014 Optical Society of America

OCIS Codes
(350.4010) Other areas of optics : Microwaves
(060.5625) Fiber optics and optical communications : Radio frequency photonics

ToC Category:
Optical Communications

History
Original Manuscript: October 23, 2013
Revised Manuscript: December 8, 2013
Manuscript Accepted: December 20, 2013
Published: January 27, 2014

Citation
Jia Ye, Lianshan Yan, An Li, Xi Chen, and William Shieh, "Performance improvement of double-sideband signals in radio-over-fiber links utilizing pre-distortion method," Opt. Express 22, 2185-2192 (2014)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-22-3-2185


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