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Temperature Dependence of Signal Gain in Er3-Doped Optical Fiber Amplifiers Pumped by 0.8µm Band GsAlAs Laser Diodes

Makoto YAMADA, Makoto SHIMIZU, Kaoru YOSHINO, Masaharu HORIGUCHI

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Summary :

This letter reports in detail on the temperature-dependent signal gain characteristics of Er3+-doped optical fiber amplifiers at signal wavelengths of 1.536µm and 1.552µm. The amplifiers were pumped at 0.825µm in a temperature range of 40 to 200. The signal gain for optimum length at both wavelengths stops increasing and begins to decrease at about 80. In the temperature region below 80, both signal gains increase with fiber temperature for fibers of optimum length or less. A temperature independent length aroud the optimum length is observed from 80 to 200 for both signal wavelengths. Theoretically, the temperature dependence of the signal gain characteristics rerults from the changes in fluorescence, absorption, GSA and ESA cross sections.

Publication
IEICE TRANSACTIONS on Electronics Vol.E76-C No.10 pp.1529-1532
Publication Date
1993/10/25
Publicized
Online ISSN
DOI
Type of Manuscript
LETTER
Category
Opto-Electronics

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