Design of broadband hybrid fiber amplifier based on particle swarm optimization algorithm

Yi GONG; Fang LIU; Fanke MENG

doi:10.5768/JAO202243.0508004

Journal of Applied Optics, Volume. 43, Issue 5, 1015(2022)

Design of broadband hybrid fiber amplifier based on particle swarm optimization algorithm

Yi GONG1...1, Fang LIU1,1,1,1,*, and Fanke MENG11 |Show fewer author(s)

¹1School of Information and Communication Engineering, Beijing Information Science and Technology University, Beijing 100867, China

¹2School of Communication and Information Engineering, Xi'an University of Posts and Telecommunications, Xi'an 710121, China

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Figures & Tables(8)

Fig. 1. Structure diagram of second-order EYDFA/RFA hybrid amplifier

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Fig. 2. Gain spectrum of EYDFA/RFA hybrid amplifier

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Fig. 3. Variation of RFA pump power along fiber length

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Fig. 4. Effect of RFA second-order pump power on average gain of hybrid amplifier

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Fig. 5. Variation of SNR and NF of each channel of EYDFA/RFA hybrid amplifier with fiber length

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Table 1. Parameters of particle swarm algorithm
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Table 1. Parameters of particle swarm algorithm
参数取值
迭代次数T 1 000
粒子总数M 200
空间维度D 10
惯性权重 $w$ 1
学习因子 $c_{1}$ 1
学习因子 $c_{2}$ 1

Table 2. Simulation parameters of second-order EYDFA/RFA hybrid amplifier

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Table 2. Simulation parameters of second-order EYDFA/RFA hybrid amplifier

参数	取值
信号光波长范围/ nm	1 53～1 620
信号光间隔/nm	1.125
信号光初始光功率/mW	0.01
EYDF长度/m	1
EYDFA泵浦功率/mW	600
EYDFA泵浦波长/nm	980
$E r^{3 +}$ 浓度/ $m^{- 3}$	51.4e+024
$Y b^{3 +}$ 浓度/ $m^{- 3}$	620e+024
EYDFA信号光损耗系数/(dB/m)	0.10
EYDFA泵浦光损耗系数/(dB/m)	0.15
RFA长度/km	30
RFA信号光损耗系数/(dB/km)	0.19
RFA泵浦光损耗系数/(dB/km)	0.23
一阶泵浦光波长范围/nm	1 400～1 510
一阶泵浦光功率范围/mW	0～500
二阶泵浦光波长范围/nm	1 300～1 410
二阶泵浦光功率范围/mW	0～2 500

Table 3. Optimized pump configuration of hybrid amplifier
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Table 3. Optimized pump configuration of hybrid amplifier
参数 $1^{st}$ $2^{nd}$ $3^{rd}$ $4^{th}$ 二阶泵浦
泵浦波长/ nm 1 423.71 1 467.24 1 475.98 1 509.11 1 306.21
泵浦功率/ mW 122.7 10.2 308.4 452.9 2421

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Yi GONG, Fang LIU, Fanke MENG. Design of broadband hybrid fiber amplifier based on particle swarm optimization algorithm[J]. Journal of Applied Optics, 2022, 43(5): 1015

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