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Two-stage reflective-type erbium-doped fiber amplifier with enhanced noise figure characteristics
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- Authors
- Joon Tae Ahn, Min-Yong Jeon, Kyong Hon Kim
- Issue Date
- 2001-09
- Citation
- Optics Communications, v.197, no.1-3, pp.121-125
- ISSN
- 0030-4018
- Publisher
- Elsevier
- Language
- English
- Type
- Journal Article
- Abstract
- We demonstrate a two-stage reflective-type erbium-doped fiber amplifier with enhanced noise figure characteristics by placing an optical circulator between two erbium-doped fiber segments. Compared to the previous one-stage reflective amplifier, the proposed two-stage reflective amplifier provides noise figure enhancement of more than 2 dB and relatively flat small signal gain characteristics. © 2001 Elsevier Science B.V.
- KSP Keywords
- Erbium-doped fiber amplifier(EDFA), Gain characteristics, One-stage, Small signal gain, Two-Stage, noise figure, optical circulator(OC)