Quenching dynamics in highly doped erbium fiber core-pumping, amplifier configuration
This study examines the influence of quenching dynamics on the efficiency of erbium-doped fiber amplifiers (EDFAs) with high erbium-ion (E3+-ions) doping concentrations, comparing pulsed and continuous wave core-pumping methods. Our findings indicate that quenching, driven by energy transfer upconve...
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AIP Publishing LLC
2025-01-01
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| Series: | AIP Advances |
| Online Access: | http://dx.doi.org/10.1063/5.0235468 |
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| author | Pablo G. Rojas Hernandez Shankar Pidishety Johan Nilsson |
| author_facet | Pablo G. Rojas Hernandez Shankar Pidishety Johan Nilsson |
| author_sort | Pablo G. Rojas Hernandez |
| collection | DOAJ |
| description | This study examines the influence of quenching dynamics on the efficiency of erbium-doped fiber amplifiers (EDFAs) with high erbium-ion (E3+-ions) doping concentrations, comparing pulsed and continuous wave core-pumping methods. Our findings indicate that quenching, driven by energy transfer upconversion, substantially impacts signal gain in these fibers. The core-pumping configuration demonstrated significantly higher gain per unit length than both low-doping EDFAs and cladding-pumping systems, with effective energy storage achievable through short pump pulses to reduce concentration quenching effects. The highly doped homemade fiber (fiber under test - FUT No. 3) achieved a gain per unit length exceeding 8.4 dB/m, outperforming the lower doped commercial fiber (FUT No. 4) by a factor of 6.4, although FUT No. 4 displayed better compatibility with the core-pumping system. Additionally, the highest gain per unit length for a counter-directional, cladding-pumped amplifier configuration with a high-concentration fiber was recorded at 5.9 dB/m at a 1560 nm signal wavelength with a 2 μs pulse duration, positioning FUT No. 3 as a highly efficient option for high-gain applications despite its high doping concentration. Our experimental analysis of quenching dynamics not only highlights an approach for scaling pulse energy using shorter fiber lengths to mitigate nonlinear effects but also provides valuable insights into quenching-influenced gain behavior in pulsed fiber amplifier systems. |
| format | Article |
| id | doaj-art-1aeb0839bc054f09af0b0777ce35306f |
| institution | Kabale University |
| issn | 2158-3226 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | AIP Publishing LLC |
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| series | AIP Advances |
| spelling | doaj-art-1aeb0839bc054f09af0b0777ce35306f2025-02-03T16:40:42ZengAIP Publishing LLCAIP Advances2158-32262025-01-01151015213015213-1110.1063/5.0235468Quenching dynamics in highly doped erbium fiber core-pumping, amplifier configurationPablo G. Rojas Hernandez0Shankar Pidishety1Johan Nilsson2Polytechnic University of Sinaloa, Sinaloa 82199, MexicoOptoelectronics Research Centre, University of Southampton, Southampton SO17 1BJ, United KingdomOptoelectronics Research Centre, University of Southampton, Southampton SO17 1BJ, United KingdomThis study examines the influence of quenching dynamics on the efficiency of erbium-doped fiber amplifiers (EDFAs) with high erbium-ion (E3+-ions) doping concentrations, comparing pulsed and continuous wave core-pumping methods. Our findings indicate that quenching, driven by energy transfer upconversion, substantially impacts signal gain in these fibers. The core-pumping configuration demonstrated significantly higher gain per unit length than both low-doping EDFAs and cladding-pumping systems, with effective energy storage achievable through short pump pulses to reduce concentration quenching effects. The highly doped homemade fiber (fiber under test - FUT No. 3) achieved a gain per unit length exceeding 8.4 dB/m, outperforming the lower doped commercial fiber (FUT No. 4) by a factor of 6.4, although FUT No. 4 displayed better compatibility with the core-pumping system. Additionally, the highest gain per unit length for a counter-directional, cladding-pumped amplifier configuration with a high-concentration fiber was recorded at 5.9 dB/m at a 1560 nm signal wavelength with a 2 μs pulse duration, positioning FUT No. 3 as a highly efficient option for high-gain applications despite its high doping concentration. Our experimental analysis of quenching dynamics not only highlights an approach for scaling pulse energy using shorter fiber lengths to mitigate nonlinear effects but also provides valuable insights into quenching-influenced gain behavior in pulsed fiber amplifier systems.http://dx.doi.org/10.1063/5.0235468 |
| spellingShingle | Pablo G. Rojas Hernandez Shankar Pidishety Johan Nilsson Quenching dynamics in highly doped erbium fiber core-pumping, amplifier configuration AIP Advances |
| title | Quenching dynamics in highly doped erbium fiber core-pumping, amplifier configuration |
| title_full | Quenching dynamics in highly doped erbium fiber core-pumping, amplifier configuration |
| title_fullStr | Quenching dynamics in highly doped erbium fiber core-pumping, amplifier configuration |
| title_full_unstemmed | Quenching dynamics in highly doped erbium fiber core-pumping, amplifier configuration |
| title_short | Quenching dynamics in highly doped erbium fiber core-pumping, amplifier configuration |
| title_sort | quenching dynamics in highly doped erbium fiber core pumping amplifier configuration |
| url | http://dx.doi.org/10.1063/5.0235468 |
| work_keys_str_mv | AT pablogrojashernandez quenchingdynamicsinhighlydopederbiumfibercorepumpingamplifierconfiguration AT shankarpidishety quenchingdynamicsinhighlydopederbiumfibercorepumpingamplifierconfiguration AT johannilsson quenchingdynamicsinhighlydopederbiumfibercorepumpingamplifierconfiguration |