کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1537381 | 1512639 | 2011 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
A subwavelength MIM waveguide resonator with an outer portion smooth bend structure
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
مواد الکترونیکی، نوری و مغناطیسی
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چکیده انگلیسی
We systematically investigate bends in metal-insulator-metal (MIM) subwavelength plasmonic waveguides resonator, realized in a two-dimensional (2D) plasmon polariton metal using a finite-difference time-domain (FDTD) method with perfectly matched layers (PMLs) boundary conditions. We apply the outer portion of the bend structure in resonator which can lead to remarkably good bending transmission characteristics. We discuss the existence conditions of different modes which affect the device performance, and analyze coupling efficiency of the outer portion of the bend structure resonator in detail. Meanwhile, we find that the first dip of the outer portion smooth bend resonator nearly linear shifts toward longer wavelengths with the increase of the effective waveguiding length. In addition, add/drop directional couplers are realizable using the present resonator structure.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Optics Communications - Volume 284, Issues 16â17, 1 August 2011, Pages 4078-4081
Journal: Optics Communications - Volume 284, Issues 16â17, 1 August 2011, Pages 4078-4081
نویسندگان
Ming Tian, Ping Lu, Li Chen, Chao Lv, Deming Liu,