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Optical Engineering

Experimental investigation of gain transients in praseodymium-doped fluoride fiber amplifiers
Author(s): Nnake Nweke; Robert J. Runser; Scott R. McNown; Jacob B. Khurgin
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Paper Abstract

We experimentally analyze power excursions on a surviving data channel due to praseodymium-doped fluoride fiber amplifier (PDFFA) gain transients. These transients are a result of the equivalent time-varying power for adding or dropping up to 15 wavelength division multiplexed (WDM) signals from a 16-channel WDM system at 1310 nm. We find that power excursions for the surviving 10-Gbit/s data channel increase with an increase in the number of channels added or dropped from the system. Bit error rate (BER) measurements on the surviving channel indicate that a power penalty of up to 3.5 dB as compared to the steady-state condition results from a 15-channel add-drop event. These results provide indication of the applicability of PDFFA amplification to dynamic reconfigurable optical networks in future DWDM systems that incorporate wavelengths in the 1310-nm region.

Paper Details

Date Published: 1 September 2005
PDF: 4 pages
Opt. Eng. 44(9) 095004 doi: 10.1117/1.2047567
Published in: Optical Engineering Volume 44, Issue 9
Show Author Affiliations
Nnake Nweke, Lab. for Telecommunication Sciences (United States)
Robert J. Runser, Telcordia Technologies, Inc. (United States)
Scott R. McNown, Lab. for Telecommunication Sciences (United States)
Jacob B. Khurgin, Johns Hopkins Univ. (United States)


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