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

Author

Zhao Chen ; Xiaokang Song ; Rongzhen Jiao ; Gaoyan Duan ; Lulu Wang ; Li Yu

Author_Institution

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

Volume

7

Issue

6

fYear

2015

Firstpage

1

Lastpage

8

Abstract

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.

Keywords

integrated optics; nanophotonics; nanosensors; optical resonators; optical sensors; plasmonics; refractive index measurement; self-induced transparency; EIT; high-sensitivity refractive sensor; integrated optical circuits; integrated optical networks; nanosensor; nonlinear devices; plasmonic system; ring resonator; side-coupled cavity; spectral splitter; spectral splitting; transmission characteristics; tunable electromagnetically induced transparency; Cavity resonators; Optical refraction; Optical ring resonators; Optical waveguides; Plasmons; Sensitivity; EIT; MIM waveguide; Surface plasmons; electromagnetically induced transparency (EIT); meatl-insulator-metal (MIM) waveguide; nanosensor; spectral splitting;

fLanguage

English

Journal_Title

Photonics Journal, IEEE

Publisher

ieee

ISSN

1943-0655

Type

jour

DOI

10.1109/JPHOT.2015.2492550

Filename

7302015