Performance analysis and comparison of multipump Raman and hybrid erbium-doped fiber amplifier + Raman amplifiers using nondominated sorting genetic algorithm optimization

Rocha, Helder R. O.; Benincá, Matheus O. L.; Castellani, Carlos E. S.; Pontes, Maria José; Segatto, Marcelo E. V.; Silva, Jair A. L.

doi:10.1117/1.oe.55.8.086103

Cited by 3 publications

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“…We repeated a similar procedure to measure the gain and NF of our amplifier, and compared the obtained values with the experimental results reported by Mahran 15 and Rocha et al 16 . The corresponding experimental values are summarized in Table 1.…”

Section: Resultsmentioning

confidence: 91%

“…By utilizing HBOA, we achieve a substantial increase by a maximum of ∼14 dB (small signal gain) in the overall signal gain compared to using EDFA-only. Furthermore, compared with the previously hybrid amplifiers, 15 , 16 HBOA can provide better performance, especially NF. Finally, the proposed HBOA was employed in a radio frequency synchronization system and effectively improved stability in frequency transfer compared to using a Bi-EDFA.…”

Section: Introductionmentioning

confidence: 95%

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Raman and erbium-doped fiber amplifiers hybrid bidirectional optical amplifier with low noise figure for fiber-optic radio frequency synchronization

Hou,

Ding,

Shang

et al. 2024

Opt. Eng.

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We proposed a Raman and erbium-doped fiber amplifiers (EDFA) hybrid bidirectional optical amplifier (HBOA). The hybrid amplifier consists of a fiber Raman amplifier (FRA) and two EDFA, which are ingeniously combined by four WDMs. Gain and noise figure (NF) are the metrics used to evaluate the performance. The effects of Raman and EDFA pump on the gain and NF of the proposed hybrid amplifier are explored, resulting in a maximum gain exceeding 40 dB and an NF below 0 dB. Furthermore, when the input signal power is small (−35 dBm), the proposed hybrid amplifier, exhibits a total gain increased of ∼14 dB, and NF reduction of ∼4 dB across the wavelength span of 1545 to 1565 nm, as compared with EDFA-only. Finally, The Allan deviation can reach 1.41 × 10 −14 when HBOA was used, significantly better than the stability of 2.62 × 10 −14 obtained by Bi-EDFA, which confirmed the feasibility of the proposed amplifier for radio frequency synchronization systems.

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Section: Resultsmentioning

confidence: 91%

Section: Introductionmentioning

confidence: 95%

Raman and erbium-doped fiber amplifiers hybrid bidirectional optical amplifier with low noise figure for fiber-optic radio frequency synchronization

Hou,

Ding,

Shang

et al. 2024

Opt. Eng.

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Reducing the time of C+L band Raman amplifiers design with an algorithm based on artificial intelligence

et al. 2020

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Optimization of Very Short Multi-Pump Discrete Raman Amplifiers based on Tellurite Fibers

Bastida,

Rocha,

Segatto

et al. 2024

J. Microw. Optoelectron. Electromagn. Appl.

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This paper presents a numerical study and the optimization of very short discrete multi-pump Raman amplifiers using Tellurite-based optical fibers. While most studies about discrete Raman amplifiers usually focus on cases where hundreds of meters of fiber are used, here we consider a multi-pumped Raman amplifier setup with extremely short dimensions, in which the length of the gain media was varied from 2.5 to 30 meters. The optimization process was developed over an broad amplification band from 1520 to 1600 nm, considering a maximum acceptable ripple of 3 dB, and using 2, 3 and 4 pumps with individual powers always below 2.5 W. The results show that it is possible to achieve net gains as high as 10 dB for gain media around 20 meters, and close to 15 dB for 30 meters. These high gains highlight the fact that Tellurite-based optical fibers can be used for the construction of very short and compact broadband amplifiers using just a few pump lasers with modest optical powers.

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Performance analysis and comparison of multipump Raman and hybrid erbium-doped fiber amplifier + Raman amplifiers using nondominated sorting genetic algorithm optimization

Cited by 3 publications

References 0 publications

Raman and erbium-doped fiber amplifiers hybrid bidirectional optical amplifier with low noise figure for fiber-optic radio frequency synchronization

Raman and erbium-doped fiber amplifiers hybrid bidirectional optical amplifier with low noise figure for fiber-optic radio frequency synchronization

Reducing the time of C+L band Raman amplifiers design with an algorithm based on artificial intelligence

Optimization of Very Short Multi-Pump Discrete Raman Amplifiers based on Tellurite Fibers

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