Gain‐flattened hybrid EDFA operating in C + L band with parallel pumping distribution technique
| Autor: | Ahmet Altuncu, Sulaiman Wadi Harun, Retna Apsari, Harith Ahmad, Alabbas A. Al-Azzawi, Mukul Chandra Paul, Anirban Dhar, Aya A. Almukhtar |
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| Rok vydání: | 2020 |
| Předmět: |
Optical amplifier
Physics L band business.industry Amplifier Bandwidth (signal processing) chemistry.chemical_element 02 engineering and technology Noise figure 01 natural sciences Atomic and Molecular Physics and Optics Hafnium 010309 optics Optical pumping Erbium 020210 optoelectronics & photonics chemistry 0103 physical sciences 0202 electrical engineering electronic engineering information engineering Optoelectronics Electrical and Electronic Engineering business |
| Zdroj: | IET Optoelectronics. 14:447-451 |
| ISSN: | 1751-8776 1751-8768 |
| DOI: | 10.1049/iet-opt.2020.0072 |
| Popis: | A novel C + L band hybrid erbium-doped fibre amplifier (EDFA) using a two-stage configuration was proposed and demonstrated experimentally. The amplifier is composed of a 0.5-m long hafnium bismuth erbium co-doped fibre (EDF) to provide gain within the C-band and a 4-m long zirconia-based EDF to provide gain within the L-band. The proposed amplifier was examined based on the multi-wavelength input source. A parallel pumping distribution technique was used to mitigate the amplifier complexity. The C + L band amplifier achieved a gain flattening of over 55 nm bandwidth for the three levels of the input powers. A gain-flattening of roughly 10.9, 15.5, and 19.2 dB were obtained, respectively, for the input signal powers of −5, −10, and −15 dBm. An average noise figure of 6.4, 5.4, and 4.7 dB was achieved, respectively, for the input signal powers of −5, −10, and −15 dBm. |
| Databáze: | OpenAIRE |
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