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We present a scheme for realizing a narrow-dual-band perfect absorber based on the plasmonic analogy of the electromagnetically induced reflection (EIR)-like effect. In our scheme, two short gold bars are excited strongly by incident plane wave serving as the bright mode. The middle gold bar is excited by two short gold bars. Due to the strong hybridization between the two short gold bars and the...
In a recent paper [Z.J. Zhang, Opt. Commun. 261 (2006) 199], a scheme on secret sharing of quantum information in cavity QED has been discussed. The author claims that he has improved the success probability of teleportation from 6.25% in our original paper [Y.Q. Zhang, X.R. Jin, S. Zhang, Phys. Lett. A 341 (2005) 380] to 100%. However, in this comment, we show that it is not the case and the author...
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