Issue |
J. Eur. Opt. Soc.-Rapid Publ.
Volume 9, 2014
|
|
---|---|---|
Article Number | 14048 | |
Number of page(s) | 4 | |
DOI | https://doi.org/10.2971/jeos.2014.14048 | |
Published online | 29 October 2014 |
Regular paper
An extremely large group index via electromagnetically induced transparency in metamaterials
1
Zarghan Branch, Islamic Azad university, Zarghan, Iran
2
Physics Department, College of Sciences, Salman Farsi University, Kazerun, Iran
Received:
27
June
2014
Revised:
10
September
2014
We numerically demonstrate a planar design of a metamaterial exhibiting electromagnetically induced transparency at gigahertz frequencies. The design is based on the coupling of two oppositely oriented semi split-rings in the same plane. A very large transmission contrast of about 60 dB between the peak of the EIT window and the dips of the transmission gaps is calculated. An extremely large group index associated with the resonant response in the transmission window is demonstrated, rendering the design suitable for slow light applications.
Key words: Metamaterials / electromagnetically induced transparency / slow light
© The Author(s) 2014. All rights reserved.
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