Optimum position of isolators within erbium-doped fibers

Ole Lumholt, Kim Schüsler, Anders Overgaard Bjarklev, Svend Dahl-petersen, Jørn Hedegaard Povlsen, Thomas Rasmussen, Karsten Rottwitt

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Abstract

An isolator is used as an amplified spontaneous emission suppressing component within an erbium-doped fiber. The optimum isolator placement is both experimentally and theoretically determined and found to be slightly dependent upon pump power. Improvements of 4 dB in gain and 2 dB in noise figure are measured for the optimum isolator location at 25% of the fiber length when the fiber is pumped with 60 mW of pump power at 1.48 μm
Original languageEnglish
JournalI E E E Photonics Technology Letters
Volume4
Issue number6
Pages (from-to)568-570
ISSN1041-1135
DOIs
Publication statusPublished - 1992

Bibliographical note

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