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Proceedings Paper

Low-noise figure C+L-band EDFA with a preamplifier and an improved double-pass L-band amplifier
Author(s): C. H. Tang; L. Zhan; L. L. Yi; S. Y. Luo; Y. X. Xia
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Paper Abstract

We proposed and demonstrated a new configuration of the low noise figure C+L- band erbium- doped fiber amplifier. In the configuration, a preamplifier is used to reduce the noise figure, and an improved double-pass configuration with a fiber Bragg grating was employed to enhance the L-band gain and while to reduce the noise figure. The experiment demonstrated that the noise figure in the new broad-band amplifier was improved by ~2 dB, and the gain was enhanced up to above 25dB over the region from 1525 to 1605nm.

Paper Details

Date Published: 5 December 2005
PDF: 7 pages
Proc. SPIE 6019, Passive Components and Fiber-based Devices II, 60194A (5 December 2005); doi: 10.1117/12.635513
Show Author Affiliations
C. H. Tang, Shanghai Jiao Tong Univ. (China)
L. Zhan, Shanghai Jiao Tong Univ. (China)
L. L. Yi, Shanghai Jiao Tong Univ. (China)
S. Y. Luo, Shanghai Jiao Tong Univ. (China)
Y. X. Xia, Shanghai Jiao Tong Univ. (China)

Published in SPIE Proceedings Vol. 6019:
Passive Components and Fiber-based Devices II
Yan Sun; Jianping Chen; Sang Bae Lee; Ian H. White, Editor(s)

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