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Optics Express

Optics Express

  • Editor: C. Martijin de Sterke
  • Vol. 19, Iss. 7 — Mar. 28, 2011
  • pp: 5735–5740

Heterogeneous radio-over-fiber passive access network architecture to mitigate Rayleigh backscattering interferometric beat noise

C. H. Yeh and C. W. Chow  »View Author Affiliations


Optics Express, Vol. 19, Issue 7, pp. 5735-5740 (2011)
http://dx.doi.org/10.1364/OE.19.005735


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Abstract

We propose and experimentally demonstrate a hybrid radio-over-fiber (ROF) wavelength division multiplexed and time division multiplexed passive optical network (WDM-TDM PON) architecture to mitigate Rayleigh backscattering (RB) interferometric beat noises. Here, only a single wavelength is needed at the central office (CO) to generate the downstream baseband data for optical wired application and optical millimeter-wave (mm-wave) signal for wireless application. The upstream signal is produced by remodulating the downstream signal. No optical filter is required at the optical network unit/remote antenna unit (ONU/RAU) to separate the optical wired and optical mm-wave signals. In the proposed network, 10 Gb/s differential phase shift keying (DPSK) signal is used for the downstream optical wired application and 2.5 Gb/s on-off keying (OOK) signal on 20 GHz carrier is used for the optical mm-wave signal. In each ONU, a reflective optical semiconductor amplifier (RSOA) is used to remodulate and produce a 2.5 Gb/s OOK format for upstream traffic. As the back-refection produced by the downstream DPSK signal and the upstream OOK signal is traveling in different fiber path, RB noise at the CO can be completely mitigated

© 2011 OSA

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(290.5870) Scattering : Scattering, Rayleigh

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: December 20, 2010
Revised Manuscript: February 21, 2011
Manuscript Accepted: February 23, 2011
Published: March 14, 2011

Citation
C. H. Yeh and C. W. Chow, "Heterogeneous radio-over-fiber passive access network architecture to mitigate Rayleigh backscattering interferometric beat noise," Opt. Express 19, 5735-5740 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-7-5735


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