کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
12059104 | 997017 | 2019 | 12 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Study on the fano resonance of coupling M-type cavity based on surface plasmon polaritons
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
مواد الکترونیکی، نوری و مغناطیسی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Study on the fano resonance of coupling M-type cavity based on surface plasmon polaritons Study on the fano resonance of coupling M-type cavity based on surface plasmon polaritons](/preview/png/12059104.png)
چکیده انگلیسی
The metal-insulator-metal (MIM) waveguide structure consisting of an M-type cavity and a baffle is proposed. Through the interaction between the discrete state and the continuous state by the M-type cavity and the baffle, the structure possesses a distinctly sharp asymmetric Fano resonance line. For positive M-type cavity structure, the shape of transmission spectrum can be adjusted by the structure parameters. The wavelength of the resonant peak has a linear relation with the length and width of the cavity, and has very good flexibility in the design and adjustment of structure. The ultra-sharp spectrum contributes to the sensitivity of structure which can reach up to 760nm/RIU and the maximum figure of merit is 9.9Ã104. For improved symmetrical M-type cavity structure, the simulation results show that the sensitivity reaches 780nm/RIU and the maximum figure of merit is 1.56Ã105. Its performance has been further enhanced. The structure may have a number of important applications in the field of nano-sensors.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Optics Communications - Volume 433, 15 February 2019, Pages 144-149
Journal: Optics Communications - Volume 433, 15 February 2019, Pages 144-149
نویسندگان
Litao Qiao, Guanmao Zhang, Zhishuang Wang, Guanping Fan, Yunfei Yan,