Yuanjiang Xiang et al 2007 J. Opt. A: Pure Appl. Opt. 9 253 doi:10.1088/1464-4258/9/3/008
Yuanjiang Xiang, Xiaoyu Dai and Shuangchun Wen
Show affiliationsThe tunnelling time and lateral shift of photon tunnelling through the frustrated total internal reflection structure containing indefinite metamaterials are obtained by employing the stationary-phase approximation. It is found that the photon tunnelling only occurs when the barrier is thin enough. For the indefinite metamaterial with one-sheet hyperbolic dispersion, the anomalous total reflection occurs, and the negative lateral shift and tunnelling time can be obtained. The negative tunnelling time indicates that superluminal propagation could be observed when a photon tunnels through the indefinite metamaterial. Both lateral shift and tunnelling time tend to a saturation value, respectively, as the barrier thickness increases. Moreover, the dependence of properties of four kinds of indefinite metamaterial on the thickness, the permittivity and permeability tensors is discussed.
42.25.Bs Wave propagation, transmission and absorption
42.25.Gy Edge and boundary effects; reflection and refraction
Issue 3 (March 2007)
Received 11 July 2006, accepted for publication 15 January 2007
Published 2 February 2007
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