Chinese Optics Letters, 2019, 17 (12): 122302, Published Online: Dec. 5, 2019  

Subwavelength metal structures with tunable transmission characteristics by light Download: 622次

Author Affiliations
College of Electronic Engineering, Heilongjiang University, Harbin 150080, China
Abstract
Extraordinary optical transmission (EOT) in subwavelength metal structures has been studied widely. Herein, we propose a strategy for tuning the EOT of the bullseye structure. Specifically, the bullseye structure was immersed in a nonlinear medium, and a controlling light was employed to change the refractive index of the medium. At different intensities and distributions of controlling light, the transmission property of signal light in the bullseye structure was simulated. The results show that a variable transmission spectrum in the bullseye structure can be realized. Moreover, the position of the central transmission peak shifts linearly with the increasing intensity of controlling light.

Zehua Yang, Jing Han, Wenzhi Wu, Degui Kong, Yachen Gao. Subwavelength metal structures with tunable transmission characteristics by light[J]. Chinese Optics Letters, 2019, 17(12): 122302.

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