Open AccessTheoretical Analysis of Plasmon-Induced Transparency in MIM Waveguide Bragg Grating Coupled With a Single Subradiant Resonator
Author(s) -
Xin Luo,
Xiang Zhai,
Lingling Wang,
Qi Lin,
Jianping Liu
Publication year - 2017
Publication title -
ieee photonics journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.725
H-Index - 73
eISSN - 1943-0655
pISSN - 1943-0647
DOI - 10.1109/jphot.2017.2751466
Subject(s) - engineered materials, dielectrics and plasmas , photonics and electrooptics
A plasmon-induced transparency (PIT) spectral response in an ultracompact plasmonic structure composed of a metal–insulator–metal waveguide Bragg grating coupled with an air rectangle cavity is proposed, and the corresponding transmission characteristics are investigated theoretically and numerically. By using the transmission line theory (TLT), a remarkable PIT transmission can be proposed in this structure. Moreover, we study the transmission as a function of the coupling distance between the air cavity and insulator layer, and we also discuss the transmission as a function of the thickness of air cavity. To validate the correctness of the TLT results, we have compared them with the finite-difference time-domain method. Both of them agree well with each other. Thus, our results can offer a new possibility and important theory analysis for the designs of the optical switching devices, sensors, and slow light devices in highly integrated optical circuits.