采用PSO算法的S波段EDFA的优化设计

Sagnacinterferometer[J].OpticalLetters,1995,20(20):2146 2148.

[10] HILLKO,JOHNSONDC,BILODEAUF,etal.

Narrow bandwidthopticalwaveguidetransmissionfilters[J].ElectronicsLetters,1987,24(9):465 466.

[11] 钱景仁,梁明.光纤光栅Sagnac环特性及包络带通滤

波器的研究[J].中国激光,2003,20(2):159 162.

[12] SHUXue wen,

JIANGShan,

HUANGDe xiu.

FibergratingSagnacloopanditsmultiwavelengthlaserapplication[J].PhotonTechnolLetters,2000,12(8):980 982.

[13] CHUNGS,KIMJ,YUBA,etal.AfiberBragg

grating

sensor

demodulation

technique

using

a

polarizationmaintainingfiberloopmirror[J].PhotonTechnolLetters,2001,13(12):1343 1345.

[14] DAIY,CHENX,XUX,etal.Highchannel count

combfilterbasedonchirpedsampledfiberbragg

gratingandphaseshift[J].PhotonTechnolLetters,2005,17(5):1040 1042.

[15] 舒学文.基于单个光纤光栅的Sagnac干涉仪的理论

与实验研究[J].物理学报,2000,49(9):1731 1735.

[16] DONGXP,LIShen ping,CHIANGKS,etal.

Multiwavelengtherbium dopedfiberlaserbasedonahigh birefringencefiberloopmirror[J].ElectronicsLetters,2000,36(19):1609 1610.

[17] FANGX,JIH,ALLENCT,etal.Acompound

high order

polarization independent

birefringence

Photon

filterusingSagnacinterferometers[J].TechnolLetters,1997,9(4):458 460.

[18] 蒙红云,杨石泉,赵春柳,等.Sagnac型环形镜理论研

究[J].南开大学学报,2003,36(3):81 85.

[19] HUS,ZHANL,SONGYJ,etal.Switchable

multiwavelengtherbium dopedfiberringlaserwithamultisectionhigh birefringencefiberloopmirror[J].PhotonTechnolLetters,2005,17(7):1387 1389.

(上接第16页)

我们成功地应用PSO算法优化了多个S波段EDFA的结构参数,如EDF的长度、次级泵浦位置、两级泵浦功率以及长波长ASE滤波器的位置。输入信号功率为-20dBm时,在1486~1520nm实现平坦增益,在两级泵浦总功率为380mW下,EDFA系统的平均增益可达10dB以上,增益平坦度小于0.1dB,噪声系数小于5dB。另外本文还重点对插入长波长ASE滤波器的分配方案以及优化方法进行了分析和讨论,最后,将PSO算法与原理类似的GA算法进行了比较,PSO算法在解决S波段级联EDFA优化问题上具有更快的收敛速度。

[参

考

文

献

]

[4] CHENGCheng,XIAOMin.Optimizationofadual

pumpedL banderbium dopedfiberamplifierbygeneticalgorithm[J].JLightwaveTechnology,2006,24(10):3824 3829.[5] LIUYu min,

optimal

YUZhong yuan.

of

LPG

Intelligentparticle

for

optical

swarmoptimizationalgorithmanditsapplicationin

designing

devices

communicationsfields[J].LectureNotesinComputerScience,2006,4222:166 175.

[6] ROBINSONJ,RAHMAT SAMIIY.Parallelparticle

swarmoptimizationandfinite differencetime domain(PSO/FDTD)algorithmformultibandandwide bandpatchantennadesigns[J].

IEEEAntennasand

PropagationSociety,2005,53(11):3459 3468.[7] GENOVESIS,MITRAR,MONORCHIOA,etal.

Aparallelparticleswarmoptimizationapproachtodesigning

frequency

selective

surfaces

[C]//

ProceedingsofAntennasandPropagationSocietyInternationalSymposium.[S.l.]:IEEEPress,2007:1601 1604.[8] KENNEDYJ,

EBERHART

R.

Particleswarm

optimization[C]//ProceedingsoftheConferenceforNeuralNetworks.1995,4:1942 1948.

[9] 易云飞,陈国鸿.一种基于收缩因子的改进粒子群算

法[J].软件导刊,2009,8(9):59 60.

[1] ONOH,YAMADAM,SHIMIZUM.S banderbium

dopedfiberamplifierswithamultistageconfiguration design,characterization,andgaintiltcompensation[J].JLightwaveTechnol,2003,21(10):2240 2246.[2] WEIHuai,TONGZhi,JIANShui eofa

geneticalgorithmtooptimizemultistageerbium dopedfiber amplifiersystemswithcomplexstructures[J].OptExpress,2004,12(4):531 544.

[3] MOWLAA,GRANPAYEHN.Optimumdesignofa

hybriderbium dopedfiberamplifierusing

amplifier/fiber

Raman

particleswarmoptimization[J].

AppliedOptics,2009,48(5):979 984.