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Proceedings Paper

Optimization Of Erbium-Doped Fiber Amplifiers Pumped Near 1.5 µm
Author(s): J. L. Zyskind; J. R. Simpson; C. R. Giles; E. Desurvire
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Paper Abstract

The gain of a highly efficient erbium-doped fiber amplifier was measured when pumped at wavelengths between 1.46 pm and 1.51 ,am. The optimal pump wavelength, Xrt, was determined to be 1.475 pm. At this pump wavelength the maximum gain coefficients for signals at 1.531 pm and 1.544 pm were measured to be 2.3 d13/mW and 2.6 dB/mW, respectively. At λ°pPt high gains were achieved, ranging from 32 dB at pump power Pp = 20 mW up to 40 dB at Pp = 80 mW. These modest pump powers are within the capabilities of currently available 1.48 pm diode lasers. The width about λ°IP for 3 dB gain variation exceeded 27 nm for Pp = 10 mW and 40 nm for pipn > 20 mW. With this weak dependence on pump wavelength, single longitudinal mode lasers do not have a significant advantage over practical Fabry-Perot multi-mode pump lasers.

Paper Details

Date Published: 15 February 1990
PDF: 11 pages
Proc. SPIE 1171, Fiber Laser Sources and Amplifiers, (15 February 1990); doi: 10.1117/12.963146
Show Author Affiliations
J. L. Zyskind, AT&T Bell Laboratories (United States)
J. R. Simpson, AT&T Bell Laboratories (United States)
C. R. Giles, AT&T Bell Laboratories (United States)
E. Desurvire, AT&T Bell Laboratories (United States)


Published in SPIE Proceedings Vol. 1171:
Fiber Laser Sources and Amplifiers
Michel J. F. Digonnet, Editor(s)

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