Raman amplified access networks with pump signal recycling for electrical power conversion

P. S. André*, M. J.N. Lima, A. M. Rocha, N. Fernandes, M. Granada, T. Almeida, Jin Chang, Rao Lan, Xin Xiang-Jun

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

Nowadays, the structure of the passive optical networks is evolving, to keep the network survivability, the powering of some elements in this kind of networks is a key issue. In this work we propose the recycling of the Raman pump remaining optical power at the receiver to be converted to electrical power. With a 24 dBm optical pump signal a 8 dB on/off gain over 25 km of single mode optical fiber was achieved. Also, the recycling of the pump signal generated 18.1 mW of electrical power at the receiver.

Original languageEnglish
Pages (from-to)116-119
Number of pages4
JournalMicrowave and Optical Technology Letters
Volume54
Issue number1
DOIs
Publication statusPublished - Jan 2012
Externally publishedYes

Keywords

  • Raman amplifications
  • passive optical networks
  • power over fiber

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