Tunable Electromagnetically Induced Transparency in Plasmonic System and Its Application in Nanosensor and Spectral Splitting

IEEE Photonics Journal

Xiaokang Song¹  Lulu Wang¹  Li Yu²  Rongzhen Jiao²  Zhao Chen³  Gaoyan Duan³ 

[1] Opt. Commun., Beijing Univ. of Posts &Telecommun., Beijing, China;;State Key Lab. of Inf. Photonics &

关键词: Surface plasmons;    EIT;    MIM waveguide;    nanosensor;    spectral splitting;   

DOI  :  10.1109/JPHOT.2015.2492550

来源: DOAJ

【 摘 要 】

A compact structure is proposed to achieve electromagnetically induced transparency (EIT) response, which consists of a side-coupled cavity and a ring resonator. Novel structures and the transmission characteristics are studied in several different situations. The plasmonic device can be used as a high-sensitivity refractive sensor with a sensitivity of 1200 nm/RIU. In addition, multi-EIT-like peaks appear in the original broadband spectrum by adding another side-coupled cavity or ring resonator, and the physical mechanism is presented. The system paves a new way toward highly integrated optical circuits and networks, particularly for nanosensor, spectral splitter, and nonlinear devices.

【 授权许可】

Unknown