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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 3, Iss. 10 — Oct. 10, 2005
  • pp: 570–572

Low pump power co-fiber remotely pumped EDFA used in DWDM systems with ultra-long fiber span

Fan Zhang, Wei Zhang, Yan Wang, and Jiangde Peng  »View Author Affiliations


Chinese Optics Letters, Vol. 3, Issue 10, pp. 570-572 (2005)


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Abstract

In this paper, aiming at practical dense wavelength division multiplexing (DWDM) system with ultra-long fiber span, a simple co-fiber remotely pumped erbium-doped fiber amplifier (RP-EDFA) scheme is proposed to extend span distance with simple configuration and low pump power. Equivalent noise figure of -6 dB is achieved under 300-mW pump power. Using the experiment results, numerical simulation of ultra-long span systems shows that for a 40*11.6-Gb/s transmission system, the RP-EDFA scheme can support transmission of 1760 km with a fiber span of 160 km. These results demonstrate the potential of the PR-EDFA scheme in ultra-long span transmission.

© 2005 Chinese Optics Letters

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(060.2330) Fiber optics and optical communications : Fiber optics communications

Citation
Fan Zhang, Wei Zhang, Yan Wang, and Jiangde Peng, "Low pump power co-fiber remotely pumped EDFA used in DWDM systems with ultra-long fiber span," Chin. Opt. Lett. 3, 570-572 (2005)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-3-10-570

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