کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
851985 909348 2011 4 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Higher-order space-charge field effects on the self-deflection of two-photon bright photovoltaic spatial solitons
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی (عمومی)
پیش نمایش صفحه اول مقاله
Higher-order space-charge field effects on the self-deflection of two-photon bright photovoltaic spatial solitons
چکیده انگلیسی

We investigate numerically the effects of higher-order space-charge field on the self-deflection of bright photovoltaic spatial solitons in two-photon photovoltaic photorefractive crystals under steady-state conditions. The expression for an induced space-charge electric field, including higher-order space-charge field terms is obtained. The dynamical evolution equation is built in which the effects that arise from these higher-order terms are considered. Numerical results indicate that bright photovoltaic solitons can bend towards both the same direction as the crystal's c-axis and the opposite direction, respectively. Specifically, self-deflection cannot occur for bright photovoltaic solitons if the strength of the photovoltaic field and the intensity of the input beam are appropriately selected. Relevant examples are provided.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Optik - International Journal for Light and Electron Optics - Volume 122, Issue 6, March 2011, Pages 490–493
نویسندگان
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