An Efficient and Low Noise L-band Erbium-Doped Fiber Amplifier
The use of the long-wavelength-band (Lband) is attractive for both increasing the capacity of wavelength division multiplexing (WDM) systems and has been used in WDM transmission experiments at over 1 Tb/s. Recently, a gain bandwidth of about 80nm has been achieved by integrating the L-band EDFA in...
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| Main Authors: | , |
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| Format: | Book Section |
| Language: | English |
| Published: |
Penerbit Universiti Sains Malaysia
2004
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| Subjects: | |
| Online Access: | http://eprints.usm.my/43319/1/pME01.pdf http://eprints.usm.my/43319/ |
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| Summary: | The use of the long-wavelength-band (Lband) is attractive for both increasing the capacity of wavelength division multiplexing (WDM) systems and has been used in WDM transmission experiments at over 1 Tb/s. Recently, a gain bandwidth of about 80nm has been achieved by integrating the L-band EDFA in parallel with conventional band (Cband) EDFA [1]. Moreover, the L-band EDFAs will make it possible to construct an effective WDM systems employing dispersion-shifted fiber (DSF) without the degradation caused by four-wave-mixing (FWM) [2]. The L-band erbium-doped fiber amplifier (EDFA) is studied because it can be constructed by silica-based erbium-doped fiber (EDF) and has a low linearity for WDM signals. However, L-band EDFAs have a low power conversion efficiency (PCE) compared to a C-band. |
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