en اپتیک غیر خطی Nonlinear Optics پژوهشي Research <span style="font-size:11pt"><span new="" roman="" style="font-family:" times=""><span style="font-weight:bold"><span style="color:#000000"><span style="font-style:normal"><span style="white-space:normal"><span style="text-decoration:none">Cavity Solitons (CSs) in an injected broad-area semiconductor laser with intracavity saturable absorber exhibit phase noise free and high-contrast intensity oscillations in period-one dynamical state. The continuous-wave periodic intensity oscillation of the CSs has a frequency well beyond the relaxation oscillation frequency and can be regarded as a photonic microwave source. Here we numerically investigate the effect of linewidth enhancement factor on the dynamical characteristics of CSs in the period-one regime. We show that in a fixed injection amplitude, it has a key role in shifting the oscillation frequencies of the period-one CSs and that its effects strongly depend on the cavity detuning value.</span></span></span></span></span></span></span> Cavity Solitons, microwave photonics, period-one state, linewidth enhancement factor 91 98 http://ijop.ir/browse.php?a_code=A-10-906-1&slc_lang=en&sid=1 Ehsan Naghizadeh Alamdari e.n.alamdari@gmail.com 10031947532846004458 10031947532846004458 No Faculty of Physics, University of Tabriz, Tabriz, Iran Mostafa Sahrai sahraei@tabrizu.ac.ir 10031947532846004459 10031947532846004459 No Faculty of Physics, University of Tabriz, Tabriz, Iran Reza Kheradmand r_kheradmand@tabrizu.ac.ir 10031947532846004460 10031947532846004460 No Faculty of Physics, University of Tabriz, Tabriz, Iran Mansour Eslami meslami@guilan.ac.ir 10031947532846004461 10031947532846004461 Yes Department of Physics, University of Guilan, Rasht, Iran