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High-gain coefficient long-wavelength-band erbium-doped fiber amplifier using 1530-nm band pump
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- Authors
- Bo-Hun Choi, Hyo-Hoon Park, Moojung Chu, Seung Kwan Kim
- Issue Date
- 2001-02
- Citation
- IEEE Photonics Technology Letters, v.13, no.2, pp.109-111
- ISSN
- 1041-1135
- Publisher
- IEEE
- Language
- English
- Type
- Journal Article
- Abstract
- A 1530-nm band has been studied as pump wavelength for long-wavelength-band erbium-doped fiber amplifier (L-band EDFA). The pump source is built using a tunable light source and cascaded conventional-band (C-band) EDFA. The L-band EDFA uses a forward pumping scheme. Within the 1530-nm band, 1545-nm pump demonstrates 0.45-dB/mW gain coefficient, which is twice better than that of conventional 1480-nm pumped EDFA. The noise figure of 1530-nm pump is at worst 6.36 dB, which is 0.75 dB higher than that of 1480-nm pumped EDFA. Such high-gain coefficient indicates that the L-band EDFA consumes low power.
- KSP Keywords
- C-band, Gain coefficient, L-band EDFA, Light sources, Low-Power, Noise Figure(NF), Pump wavelength, erbium-doped fiber amplifier(EDFA), forward pumping, high gain, long wavelength