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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 4 — Feb. 13, 2012
  • pp: 4219–4224

A hybrid CATV/OFDM long-reach passive optical network architecture

Wen-Yi Lin, Ching-Hung Chang, Hai-Han Lu, Peng-Chun Peng, Ying-Pyng Lin, Chia-Yi Chen, and Chung-Yi Li  »View Author Affiliations


Optics Express, Vol. 20, Issue 4, pp. 4219-4224 (2012)
http://dx.doi.org/10.1364/OE.20.004219


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Abstract

A hybrid CATV/OFDM long-reach PON architecture is proposed and experimentally demonstrated. By multiplexing the OFDM and CATV signals in different frequency bands, the overall network structure is simplified and the available bandwidth for the OFDM signals is increased. Furthermore, by carefully adjusting the driving voltage of the employed CATV transmitter, the overall transmission performance can be optimized by eliminating a large amount of unwanted distortions. Unlike the current fiber optical CATV transport system in which the CATV signals need to be amplified in every 30 ~40 km transmission span, the proposed architecture has successfully extended the transmission span to 60 km. This can practically remove the needs of electrical power provisioning and monitoring between the central office (CO) and each local exchange (LE). Good transmission performances of carrier-to-noise ratio (CNR), composite second-order (CSO), composite triple beat (CTB) and bit error rate (BER) were obtained for the transmitted CATV and OFDM signals. All of these experimental results prove the practice and efficiency of the proposed architecture in providing simplicity and extended reach services to customers.

© 2012 OSA

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2360) Fiber optics and optical communications : Fiber optics links and subsystems
(060.4080) Fiber optics and optical communications : Modulation

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: December 9, 2011
Revised Manuscript: February 1, 2012
Manuscript Accepted: February 2, 2012
Published: February 6, 2012

Citation
Wen-Yi Lin, Ching-Hung Chang, Hai-Han Lu, Peng-Chun Peng, Ying-Pyng Lin, Chia-Yi Chen, and Chung-Yi Li, "A hybrid CATV/OFDM long-reach passive optical network architecture," Opt. Express 20, 4219-4224 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-4-4219


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