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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 36, Iss. 12 — Jun. 15, 2011
  • pp: 2224–2226

Energy transport in a metamaterial subwavelength open-cavity resonator

Liwei Zhang, Yewen Zhang, Xiaodong Chen, Xiaoming Liu, Li Zhang, and Hong Chen  »View Author Affiliations

Optics Letters, Vol. 36, Issue 12, pp. 2224-2226 (2011)

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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:

Original Manuscript: April 13, 2011
Manuscript Accepted: May 11, 2011
Published: June 7, 2011

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)

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