RT - Journal Article T1 - Investigation and Simulation of Effect of Cavity Detuning and Line Width Enhancement Factor Effects on the Relaxation Characteristics of an Optically Injected VCSEL JF - opsi YR - 2015 JO - opsi VO - 21 IS - 0 UR - http://opsi.ir/article-1-656-en.html SP - 1173 EP - 1176 K1 - Relaxation Oscillation K1 - Bistability K1 - Hopf Instability K1 - Injection Locking AB - In this paper, investigation and simulation of the effect of cavity detuning parameter and line width enhancement factor of an optically injected semiconductor laser on the bi-stable and Hopf and Turing instability have been carried out. simulations of vertical-cavity surface-emitting laser show that changes in the detuning parameter and line width enhancement factor parameter value have a considerable effect not only on the bi-stability of the system, but also on the instabilities of the system, namely Hopf and Turing instability. Region which contains unstable/stable relaxation oscillations is studied by changing these parameters. It is also shown that the cavity detuning is more important in comparison with the line width enhancement factor in dynamic of semiconductor laser. LA eng UL http://opsi.ir/article-1-656-en.html M3 ER -