A novel transmission line model for quantum well semiconductor optical amplifiers

被引：0
|
作者：
Xia, Mingjun [1 ]
Ghafouri-Shiraz, H. [1 ]
机构：
[1] Univ Birmingham, Sch Elect Elect & Syst Engn, Birmingham B15 2TT, W Midlands, England
来源：
OPTICAL AND QUANTUM ELECTRONICS | 2016年 / 48卷 / 01期
关键词：
Model; Quantum well amplifiers; Quantum well transmission line modelling method; MODULATION; LASERS;
D O I：
10.1007/s11082-015-0317-9
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper presents a new wideband model for quantum well semiconductor optical amplifiers ( QW-SOAs) based on quantum well transmission line modelling method to facilitate the performance analysis of QW-SOAs. The dynamic process of electronphoton interactions during the photon propagation has been considered in this model. The gain and spontaneous emission spectra obtained by this model are in very agreement with those obtained by the analytical expression within a wide spectra band ranging from 1300 to 1700 nm. The temporal and spectral output waveforms of the pulse input signal having the peak power values of 0.1 and 1 mw are studied and it was found that the new model can accurately predict the temporal and spectral behaviours of the amplified output signal, spectral broadening, red shift and temporal distortion induced by the gain saturation.
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页码：1 / 14
页数：14
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