Gain and noise figure improvement of the reflection L-band erbium-doped fiber amplifier

[in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]

Journals >Chinese Journal of Quantum Electronics >Volume 22 >Issue 5 >Page 768 > Article

Chinese Journal of Quantum Electronics
Vol. 22, Issue 5, 768 (2005)

Gain and noise figure improvement of the reflection L-band erbium-doped fiber amplifier

[in Chinese]^1、2、*, [in Chinese]², [in Chinese]², [in Chinese]², and [in Chinese]¹

Author Affiliations

¹[in Chinese]

²[in Chinese]

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DOI: Cite this Article

[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese]. Gain and noise figure improvement of the reflection L-band erbium-doped fiber amplifier[J]. Chinese Journal of Quantum Electronics, 2005, 22(5): 768 Copy Citation Text

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Abstract

A novel method for the gain and noise figure improvement of the reflection L- band erbium-doped amplifier via inserting a 980 nm pump laser diode in the input part was constructed. By selecting appropriate power ratio of the 980 and 1480 nm LD, compared to the configuration pumped with only 1480 nm LD, in the wavelength region from 1565 to 1615 nm. the gain enhances 1.5～9.9 dB and the noise figure decreases 1.3～9.4 dB for the small signal

Keywords

erbium-doped fiber amplifier fiber loop mirror fiber optics L-band amplifier wavelength-division multiplexing

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