Open AccessPlasmonic EIT-like switching in bright-dark-bright plasmon resonators
Author(s) -
Junxue Chen,
Pei Wang,
Chuncong Chen,
Yonghua Lü,
Hai Ming,
Qiwen Zhan
Publication year - 2011
Publication title -
optics express
Language(s) - Uncategorized
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.19.005970
Subject(s) - electromagnetically induced transparency , plasmon , resonator , metamaterial , optics , physics , polarization (electrochemistry) , surface plasmon , optoelectronics , interference (communication) , coupling (piping) , materials science , telecommunications , channel (broadcasting) , chemistry , computer science , metallurgy
In this paper we report the study of the electromagnetically induced transparency (EIT)-like transmission in the bright-dark-bright plasmon resonators. It is demonstrated that the interferences between the dark plasmons excited by two bright plasmon resonators can be controlled by the incident light polarization. The constructive interference strengthens the coupling between the bright and dark resonators, leading to a more prominent EIT-like transparency window of the metamaterial. In contrary, destructive interference suppresses the coupling between the bright and dark resonators, destroying the interference pathway that forms the EIT-like transmission. Based on this observation, the plasmonic EIT switching can be realized by changing the polarization of incident light. This phenomenon may find applications in optical switching and plasmon-based information processing.