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Proceedings Paper

Cavity length dependence of erbium-doped fiber laser performances
Author(s): Jordi Guitart; Sergio Ruiz-Moreno
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Paper Abstract

In this communication, analytical expressions for the oscillation threshold pump power and the lasing efficiency of an erbium-doped fiber laser are derived from well-known equations that describe the amplification process in erbium-doped fibers. These expressions show the dependence of both the oscillation threshold pump power and the lasing efficiency on the cavity length. As a design criteria, an optimum fiber length is derived from the analytical expressions by maximizing the ratio between the lasing efficiency and the oscillation threshold pump power. Finally, theoretical results are given for the case of an erbium-doped fiber ring laser together with numerical calculations obtained by means of computer simulations.

Paper Details

Date Published: 23 March 1993
PDF: 17 pages
Proc. SPIE 1789, Fiber Laser Sources and Amplifiers IV, (23 March 1993); doi: 10.1117/12.141143
Show Author Affiliations
Jordi Guitart, Polytechnic Univ. of Catalonia (Spain)
Sergio Ruiz-Moreno, Polytechnic Univ. of Catalonia (Spain)


Published in SPIE Proceedings Vol. 1789:
Fiber Laser Sources and Amplifiers IV
Michel J. F. Digonnet; Elias Snitzer, Editor(s)

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