VOLTERRA FUNCTIONAL SERIES EXPANSIONS FOR SEMICONDUCTOR-LASERS UNDER MODULATION

被引:25
作者
HASSINE, L
TOFFANO, Z
LAMNABHILAGARRIGUE, F
DESTREZ, A
BIROCHEAU, C
机构
[1] CNRS,ESE,LSS,F-91192 GIF SUR YVETTE,FRANCE
[2] ECOLE SUPER ELECT,SIGNAUX & SYST LAB,F-91192 GIF SUR YVETTE,FRANCE
关键词
D O I
10.1109/3.291363
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
An analytical model based on Volterra nonlinear functionals applied to semiconductor lasers has been developed. Analytical expressions are obtained for different laser diode responses, giving powerful tools for analysis. For harmonic input, the response is given including the gain compression factor epsilon. Second-harmonic distortion (2HD) shows two maxima at half relaxation oscillation frequency OMEGA(R)/2 and at OMEGA(R), in agreement with experiments; the residual dc component due to nonlinearities is estimated and experimentally verified. Dynamic frequency deviation as function of bias current shows resonant characteristics. Relaxation frequency and damping rate GAMMA(R) reveal their precise dependence on epsilon and differential gain A. For step input, the turn-on delay t(on) and the overshoot P(P)/P(on) expressions of our model are only functions Of GAMMA(R) and OMEGA(R). P(P)/P(on), and the ringing phenomena decrease with increasing bias current level.
引用
收藏
页码:918 / 928
页数:11
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