| Issue |
EPL
Volume 98, Number 6, June 2012
|
|
|---|---|---|
| Article Number | 64007 | |
| Number of page(s) | 6 | |
| Section | Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics | |
| DOI | https://doi.org/10.1209/0295-5075/98/64007 | |
| Published online | 28 June 2012 | |
Metamaterial analog of quantum interference: From electromagnetically induced transparency to absorption
1
Tongji University - Shanghai 200092, China
2
Key Laboratory of Advanced Micro-structure Materials, MOE, Department of Physics, Tongji University Shanghai 200092, China
3
School of Electronics and Information, Tongji University - Shanghai 200092, China
Received:
3
April
2012
Accepted:
26
May
2012
With a metamaterial structure, the phenomenology observed in quantum electromagnetically induced transparency is reproduced. Through the parametric comparison between quantum and classical systems, the physical mechanism of this novel phenomenon has been explained directly in our analysis. In addition, we use another metamaterial structure to mimic a tripod four-level atom and reveal the analog of electromagnetically induced absorption. Our theoretical and experimental studies may not only bring an intuitive understanding of quantum interference in atomic system, but also provide useful guidelines for the design of microwave devices based on metamaterials.
PACS: 42.25.Bs – Wave propagation, transmission and absorption / 78.67.Pt – Multilayers; superlattices; photonic structures; metamaterials / 42.50.Gy – Effects of atomic coherence on propagation, absorption, and amplification of light; electromagnetically induced transparency and absorption
© EPLA, 2012
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