fa طراحی یک سیستم نوین تشدیدگر – تقویت‎کننده فیبری Yb:Silica با قابلیت کنترل توان اپتیکی بر پایه شفافیت القای الکترومغناطیسی تخصصی Special پژوهشي Research <span style="font-size: small;"><strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">در</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">این</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">مقاله،</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">یک</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">سیستم</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">نوسانگر</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: times new roman;">&ndash;</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">تقویت</span></span></span></strong><span dir="LTR"><span style="font-size: small;"><span style="font-family: times new roman;">&lrm;</span></span></span><strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">کننده</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">فیبری</span></span></span></strong><strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;"> (</span></span></span></strong><em><span style="font-family: times new roman;"><span dir="LTR">MOFPA</span></span></em><strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">) </span></span></span></strong><strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">موج</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">پیوسته</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">دو</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">غلافه</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">آلاییده</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">شده</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">به</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">ایتربیوم</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">در</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">بستر</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">سیلیکا</span></span></span></strong><strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;"> (</span></span></span></strong><em><span style="font-family: times new roman;"><span dir="LTR">Yb:silica</span></span></em><strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">) </span></span></span></strong><strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">با</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">قابلیت</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">کنترل</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">اپتیکی</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">توان</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">خروجی</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">بر</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">پایه</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">اثر</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">غیرخطی</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">شفافیت</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">القای</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">الکترومغناطیسی</span></span></span></strong><strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;"> (</span></span></span></strong><em><span style="font-family: times new roman;"><span dir="LTR">EIT</span></span></em><strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">) </span></span></span></strong><strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">به</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">صورت</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">عددی</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">مدل</span></span></span></strong><span dir="LTR"><span style="font-size: small;"><span style="font-family: times new roman;">&lrm;</span></span></span><strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">سازی</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">شده</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">است</span></span></span></strong><strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">. </span></span></span></strong><strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">برای</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">این</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">منظور،</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">نانو</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">کریستال</span></span></span></strong><span dir="LTR"><span style="font-size: small;"><span style="font-family: times new roman;">&lrm;</span></span></span><strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">های</span></span></span></strong> <em><span style="font-family: times new roman;"><span dir="LTR">Si</span></span></em> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">در</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">موقعیت</span></span></span></strong><span dir="LTR"><span style="font-size: small;"><span style="font-family: times new roman;">&lrm;</span></span></span><strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">های</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">مکانی</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">خاصی</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">در</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">آینه</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">کوپلاژ</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">خروجی</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">به</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">میزبانی</span></span></span></strong> <em><span style="font-family: times new roman;"><span dir="LTR"><span style="font-size: small;">SiO</span>_{<span style="font-size: small;">2</span>}</span></span></em> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">آلاییده</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">شده</span></span></span></strong><span dir="LTR"><span style="font-size: small;"><span style="font-family: times new roman;">&lrm;</span></span></span><strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">اند</span></span></span></strong><strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">. </span></span></span></strong><strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">با</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">اعمال</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">میدان</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">پمپ</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">کنترلی</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">خارجی</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">از</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">طریق</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">یک</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">لیزر</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">دیودی</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">روی</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">توری</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">براگ</span></span></span></strong><strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;"> (</span></span></span></strong><em><span style="font-family: times new roman;"><span dir="LTR">FBG</span></span></em><strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">) </span></span></span></strong><strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">می</span></span></span></strong><span dir="LTR"><span style="font-size: small;"><span style="font-family: times new roman;">&lrm;</span></span></span><strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">توان</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">ضریب</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">شکست</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">مواد</span></span></span></strong> <em><span style="font-family: times new roman;"><span dir="LTR">EIT</span></span></em> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">را</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">تغییر</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">داد</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">که</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">نتیجه</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">آن،</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">تغییر</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">درصد</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">بازتاب</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">آینه</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">خروجی</span></span></span></strong><strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;"> (</span></span></span></strong><strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">بین</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">صفر</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">تا</span></span></span></strong><strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;"> 100 %) </span></span></span></strong><strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">و</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">نیز</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">دست</span></span></span></strong><span dir="LTR"><span style="font-size: small;"><span style="font-family: times new roman;">&lrm;</span></span></span><strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">یابی</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">به</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">یک</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">سیستم</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">اپتیکی</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">تنظیم</span></span></span></strong><span dir="LTR"><span style="font-size: small;"><span style="font-family: times new roman;">&lrm;</span></span></span><strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">پذیر</span></span></span></strong> <strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">است</span></span></span></strong><strong><span style="font-style: normal;"><span style="font-size: 10pt;"><span style="font-family: b nazanin;">.</span></span></span></strong></span><br> &nbsp; In this paper, an optically-controllable continuous-wave single-mode double-clad ytterbium (Yb) doped silica based on the nonlinear electromagnetically induced transparency (EIT) is numerically modeled on a master-oscillator fiber power-amplifier (MOFPA).Here, the Si nanocrystals are embedded in SiO₂ host over selected regions of the output coupler. By applying the external control pump field through a diode laser on the fiber Bragg grating (FBG) can be change the refractive index of the EIT material, which results in a change the percentage of the reflection of the output mirror (between zero and 100%), as well as the achievement of one Optical system is adjustable.<span dir="RTL"></span><br> &nbsp; توری براگ , شفافیت القایی الکترومغناطیسی, کوپلاژ خروجی, میدان کنترلی, نوسانگر– تقویت‎کننده فیبری Control field, Electromagnetically induced transparency, Fiber Bragg grating, Master Oscillator Fiber Power Amplifier, Output coupler 157 160 http://opsi.ir/browse.php?a_code=A-10-1-1498&slc_lang=fa&sid=1 Vali Varmazyari ولی ورمزیاری 10031947532846006735 10031947532846006735 Yes Electerical Engineering Department, Amirkabir University of Technology, Tehran دانشگاه صنعتی امیرکبیر Parviz Parvin پرویز پروین 10031947532846006736 10031947532846006736 No 2Photonic Engineering Group, Department of Physics, Amirkabir University of Technology, Tehran دانشگاه صنعتی امیرکبیر Maryam Eilchi مریم ایلچی 10031947532846006737 10031947532846006737 No Photonics and Quantum Technologies Research School, Nuclear Science and Technology Research Institute پژوهشگاه علوم و فنون هسته‎ای نرگس شفیعی موسوی 10031947532846006738 10031947532846006738 No Photonic Engineering Group, Department of Physics, Amirkabir University of Technology, Tehran دانشگاه صنعتی امیرکبیر Hamidreza Habibian حمیدرضا حبیبیان 10031947532846006739 10031947532846006739 No Photonic Engineering Group, Department of Physics, Amirkabir University of Technology, Tehran دانشگاه صنعتی امیرکبیر Hasan Ghafourifard حسن غفوری فرد 10031947532846006740 10031947532846006740 No Electerical Engineering Department, Amirkabir University of Technology, Tehran دانشگاه صنعتی امیرکبیر