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Keywords:

  • dynamically gain-flattened filter;
  • erbium-doped fiber amplifier;
  • voltage-controlled fiber-based gain tilt controller;
  • variable optical attenuator

Abstract

This paper reports on dynamically gain-flattened C- and L-band erbium-doped fiber amplifiers (DGF-EDFAs), whose dynamic gain ranges are above 20 dB and 24 dB, respectively. This paper gives the detailed test and comparative results for DGF-EDFAs based on the use of a voltage-controlled fiber-based gain tilt controller and a variable optical attenuator. © 2003 Wiley Periodicals, Inc. Microwave Opt Technol Lett 39: 8–11, 2003; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.11110