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Energy transport in a metamaterial subwavelength open-cavity resonator |
Optics Letters, Vol. 36, Issue 12, pp. 2224-2226 (2011)
http://dx.doi.org/10.1364/OL.36.002224
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Abstract
We present a theoretical and experimental investigation into the energy transport in a conjugate matched bilayer consisting of ε-negative (ENG) and μ-negative (MNG) slabs. It is proved that the conjugated matched ENG/MNG bilayer is a subwavelength open-cavity resonator, in which the resonance frequency is determined by the complete tunneling condition, and the Q factor increases exponentially with the slab thickness. It is revealed that the wave is not evanescent inside the bilayer, but it is a hybrid of a traveling wave and a reactive standing wave. It is also manifested during the transient wave propagation that the reactive field energy stored inside the bilayer is provided by the incident wave.
© 2011 Optical Society of America
OCIS Codes
(160.4760) Materials : Optical properties
(240.7040) Optics at surfaces : Tunneling
(160.3918) Materials : Metamaterials
ToC Category:
Materials
History
Original Manuscript: April 13, 2011
Manuscript Accepted: May 11, 2011
Published: June 7, 2011
Citation
Liwei Zhang, Yewen Zhang, Xiaodong Chen, Xiaoming Liu, Li Zhang, and Hong Chen, "Energy transport in a metamaterial subwavelength open-cavity resonator," Opt. Lett. 36, 2224-2226 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-12-2224
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