HARMONIC AMPLITUDE CONTROL IN LASER DIODES WITH NON-LINEAR FEEDBACK

被引：0

作者：

Yildirim, Remzi ^{[1
]}

Celebi, Fatih V. ^{[2
]}

机构：

[1] Gazi Univ, Bilgisayar Bol, End San Egitim Fak, Golbasi Yerleskesi, Egypt

[2] Ankara Uni, Bilgisayar Muh Bol, Muh Fak, Ankara, Turkey

来源：

JOURNAL OF THE FACULTY OF ENGINEERING AND ARCHITECTURE OF GAZI UNIVERSITY | 2010年 / 25卷 / 01期

关键词：

Laser diode; volterra series; harmonic distortion; non-linear optoelectronic feedback; asymmetric communication; amplitude control of harmonics; SEMICONDUCTOR-LASER; CHAOS;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

When the laser diode is working at steady-state condition, there exists so many harmonics in optical power such as first, second, third and so on. The difference frequencies obtained from these harmonics are used in sub-carrier intermodulation (IMD) and asymmetric communication systems. In the analysis, Volterra power series expansion method is used. The series is expanded up to third degree and small signal transfer function is obtained from Volterra operators. The expansion is based on H-1, H-2 and H-3 Volterra kernels and small signal transfer function that is organized from H-1 kernel is used in the calculations. For the non-linear optoelectronic feedback laser diode system, the normalized frequency and harmonic values are computed with respect to feedback time delay (t(0)) for the effective values of the feedback constant (K). Amplitudes of harmonics are controlled by decreasing, increasing or suppressing dependent upon the critical time delays.

引用

页码：163 / 170

页数：8

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