光学学报, 2020, 40 (14): 1423001, 网络出版: 2020-07-23
基于表面等离子激元的非对称矩形环腔电可调滤波器设计 下载: 1069次
Design of Asymmetric Rectangular Ring Resonance Cavity Electrically Adjustable Filter Based on Surface Plasmon Polaritons
图 & 表
图 1. 非对称矩形环腔MIM滤波器结构示意图
Fig. 1. Schematic diagram of an asymmetric rectangular ring resonator MIM filter
图 2. 传输谱线图。(a)三种不同结构矩形环腔的传输谱线;(b)结构3的传输谱线
Fig. 2. Transmission spectrum diagram. (a) Transmission spectra of three different structures of rectangular ring cavity; (b) transmission spectrum of structure 3
图 3. 三种不同矩形环腔结构滤波器的传输谱线
Fig. 3. Transmission spectra of the three different rectangular ring cavity structure filters
图 4. 环腔结构的磁场分布。(a)~(c) λ=916、1140、2012 nm的单矩形环腔结构;(d)~(f) λ=912、1136、2012 nm的对称矩形环腔结构;(g)~(i) λ=908、1136、1996 nm的非对称矩形环腔结构
Fig. 4. Magnetic field distribution of the ring cavity structure. (a)--(c) Single rectangular ring cavity structure with λ=916, 1140, 2012 nm; (d)--(f) symmetric rectangular ring cavity structure with λ=912, 1136, 2012 nm; (g)--(i) asymmetrical rectangular ring cavity structure with λ=908, 1136, 1996 nm
图 5. 改变结构参数h对矩形环腔滤波器传输特性的影响。(a)传输谱线; (b)谐振波长
Fig. 5. Effect of changing the structure parameter h on the transmission characteristics of rectangular ring cavity filter. (a) Transmission spectrum; (b) resonance wavelength
图 6. 改变结构参数L对矩形环腔滤波器传输特性的影响。(a)传输谱线; (b)谐振波长
Fig. 6. Effect of changing the structure parameter L on the transmission characteristics of rectangular ring cavity filter. (a) Transmission spectrum; (b) resonance wavelength
图 7. 改变结构参数d对矩形环腔滤波器传输特性的影响。(a)传输谱线; (b)谐振波长
Fig. 7. Effect of changing the structure parameter d on the transmission characteristics of rectangular ring cavity filter. (a) Transmission spectrum; (b) resonance wavelength
图 8. 改变外加电压U对矩形环腔滤波器传输特性的影响。(a)传输谱线;(b)共振波长
Fig. 8. Effect of changing the applied voltage U on the transmission characteristics of rectangular ring cavity filter. (a) Transmission spectrum; (b) resonance wavelength
图 9. 多重矩形环腔结构。(a)结构图;(b)传输谱线
Fig. 9. Multiple rectangular ring cavities structure. (a) Schematic diagram; (b) transmission spectrum
表 1不同结构滤波器传输特性对比
Table1. Comparison of transmission characteristics of different structure filters
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吴梦, 梁西银, 孙对兄, 谢凌菲, 陈瑞霖, 文大鹏, 张天辰. 基于表面等离子激元的非对称矩形环腔电可调滤波器设计[J]. 光学学报, 2020, 40(14): 1423001. Meng Wu, Xiyin Liang, Duixiong Sun, Lingfei Xie, Ruilin Chen, Dapeng Wen, Tianchen Zhang. Design of Asymmetric Rectangular Ring Resonance Cavity Electrically Adjustable Filter Based on Surface Plasmon Polaritons[J]. Acta Optica Sinica, 2020, 40(14): 1423001.