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Low noise double pass L-band erbium-doped fiber amplifier

✍ Scribed by S.W. Harun; H. Ahmad

Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
173 KB
Volume
36
Category
Article
ISSN
0030-3992

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✦ Synopsis

A new double pass long wavelength band erbium-doped ÿber ampliÿer with enhanced noise ÿgure characteristics is demonstrated. The noise ÿgure is improved by about 2:6 dB with the incorporation of broadband conventional-band ÿber Bragg grating (FBG) in between the two segments of erbium-doped ÿber. By incorporating both the pre-ampliÿer and the FBG, the noise ÿgure is further improved, which varies from 4.0 to 5:0 dB in the at gain region from 1570 to 1600 nm. The gain varies from 32.0 to 33:4 dB within this region. The new ampliÿer with high gain and low noise ÿgure can be useful as an inline ampliÿer in a wavelength division multiplexing transmission system.

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