Performance of a High-Concentration Erbium-Doped Fiber Amplifier with 100 nm Amplification Bandwidth

Reza, Parsin Haji; Shahabuddin, Nurul Shahrizan; Abbasizargaleh, S.; Emami, Siamak Dawazdah; Abdul-Rashid, H.A.; Yusoff, Z.; Yahya, A. K.; Alam, Shah

doi:10.1063/1.3469620

Cited by 4 publications

(3 citation statements)

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“…A comparison with a previous work (Hajireza et al, 2010) that utilized EDF with nearly similar Erbium concentration and fiber length has shown that the Ga co-dopant has caused the shift of the peak gain wavelength from 1560 nm to 1535 nm. Besides that, the gain of Ga-EDF amplifier is more consistent over a wavelength range of 1530 nm to 1560 nm with a variation of only 4 dB.…”

Section: Resultsmentioning

confidence: 81%

Comparison of 1480 nm and 980 nm-pumped Gallium-Erbium fiber amplifier

et al. 2021

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Background: One way to reduce the length of the gain medium in Erbium-Doped Fiber Amplifier (EDFA) is by doping the fiber core with a high concentration of Erbium. However, this method caused ion clustering effects, which limits the EDFA’s efficiency. In this research, the use of Gallium as a new co-dopant in erbium-doped silica fiber is explored. Methods: The new fiber, namely Gallium co-doped Erbium fiber (Ga-EDF), is used as a gain medium in an optical fiber amplifier setup. A 2-meter length of the Ga-EDF fiber was used in a single pass configuration with a forward pumping scheme at 150 mW pump power. The Ga-EDF amplifier's gain and noise figure while pumping at 980 nm and 1480 nm were compared. The amplifier's performance was evaluated as the input signal power varied between -30 dBm to 3 dBm, over the wavelength range of 1520 nm to 1580 nm. Results: The 980 nm-pumped Ga-EDF amplifier achieved the maximum small-signal gain of 22.45 dB and the corresponding noise figure of 5.71 dB at the input signal wavelength of 1535 nm. Meanwhile, the 1480 nm-pumped Ga-EDF amplifier attained the maximum small-signal gain of 20.83 dB and the corresponding noise figure of 5.09 dB at the input signal wavelength of 1550 nm. At the input signal power below -20 dBm and the wavelength range 1520 nm to 1547 nm, the Ga-EDF performs better when pumped at 980 nm. Their performance is comparable at the input signal wavelength range between 1547 nm to 1580 nm. At the input signal power above -20 dBm, the 1480 nm-pumped Ga-EDF outperformed the 980 nm-pumped amplifier. Conclusions: The overall performance indicates that the gain saturation point of the 1480 nm-pumped amplifier is higher than the 980 nm-pumped.

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Section: Resultsmentioning

confidence: 81%

Comparison of 1480 nm and 980 nm-pumped Gallium-Erbium fiber amplifier

et al. 2021

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“…By developing the advanced Erbium doped fiber amplifiers (EDFAs) with low noise figure, large gain, and high amplification bandwidth, the power lost in the optical fiber can be compensated [1][2][3][4][5]. The chromatic dispersion of standard single mode fiber (SSMF) can be managed by employing dispersion compensation fiber (DCF) [6][7][8].…”

Section: Introductionmentioning

confidence: 99%

Self-Phase Modulation Effect on Performance of 40 Gbit/s Optical Duty-Cycle Division Multiplexing Technique

Mahdiraji

Abas

2012

J. Opt. Commun.

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Self-phase modulation (SPM) effect on performance of 40 Gbit=s (3 13.33 Gbit=s) optical duty-cycle division multiplexing (O-DCDM) over 400 km (5 80 km) standard single mode fiber (SSMF) based on three different dispersion compensation schemes is investigated by simulation. The result shows that the SPM effect is very strong in dispersion pre-compensation compared to postcompensation. Further reduction in SPM effect is observed by combination of pre-and post-compensation with the optimum pre-compensation value of around 215 ps=nm. The simulation is performed at different launched power into dispersion compensation fiber (DCF). The range between 6 to 8 dBm is observed as the optimum power for all dispersion compensation schemes. The highest SPM threshold is observed when dispersion pre-and post-compensation are used together, which is around C6:7 dBm. In addition, the optimum range of launched power into SSMF for different transmission distances from 80 km to 1280 km is also presented.

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“…One of the challenges is light attenuation, which weakens the optical signal along the transmission. However, loss management has been improved by the development of low loss optical fibers [2,3] and low noise figure amplifiers [4] with high flat gain. Dispersion and nonlinear effects also can be detrimental in optical communication [1].…”

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confidence: 99%

Improvement of three-level code division multiplexing via dispersion mapping

et al. 2015

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A new dispersion map is designed for threelevel code division multiplexing (3LCDM) of a 40 Gb/s (2×20 Gb/s) over 500 km (5×100 km) standard single mode fiber. The results show that an 87.5 % dispersion compensation ratio was the optimum map for the 3LCDM system. The system performance is improved by 6 dB in optical signal-tonoise ratio, 6 dB in receiver sensitivity and 3 dB in self-phase modulation threshold. Based on these improvements, the 3LCDM performance is comparable to the available multiplexing and modulation techniques while offering simpler transmitter and receiver architecture.

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Performance of a High-Concentration Erbium-Doped Fiber Amplifier with 100 nm Amplification Bandwidth

Cited by 4 publications

References 0 publications

Comparison of 1480 nm and 980 nm-pumped Gallium-Erbium fiber amplifier

Comparison of 1480 nm and 980 nm-pumped Gallium-Erbium fiber amplifier

Self-Phase Modulation Effect on Performance of 40 Gbit/s Optical Duty-Cycle Division Multiplexing Technique

Improvement of three-level code division multiplexing via dispersion mapping

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