Abstract

We reinterpret our earlier letter [Opt. Lett. 32, 2939 (2007) ] to demonstrate that the resolution it gives to the problem of the sign of the wave vector and the refractive index is valid for active media without instabilities but invalid otherwise.

© 2008 Optical Society of America

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References

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  1. M. Perez-Molina and L. Carretero, Opt. Lett. 33, 1828 (2008).
    [CrossRef] [PubMed]
  2. V. U. Nazarov and Y.-C. Chang, Opt. Lett. 32, 2939 (2007).
    [CrossRef] [PubMed]
  3. V. U. Nazarov and Y.-C. Chang, Opt. Lett. 32, 3345 (2007).
    [CrossRef]
  4. As an important example, it can be proved that the nonmagnetic two-component medium with negative refraction of makes any slab stable at normal incidence.
  5. Y.-F. Chen, P. Fischer, and F. W. Wise, Phys. Rev. Lett. 95, 067402 (2005).
    [CrossRef] [PubMed]
  6. J. Skaar, Phys. Rev. E 73, 026605 (2006).
    [CrossRef]
  7. B. Nistad and J. Skaar, http://arxiv.org/abs/0712.3132 (2008).

2008

2007

2006

J. Skaar, Phys. Rev. E 73, 026605 (2006).
[CrossRef]

2005

Y.-F. Chen, P. Fischer, and F. W. Wise, Phys. Rev. Lett. 95, 067402 (2005).
[CrossRef] [PubMed]

Carretero, L.

Chang, Y.-C.

Chen, Y.-F.

Y.-F. Chen, P. Fischer, and F. W. Wise, Phys. Rev. Lett. 95, 067402 (2005).
[CrossRef] [PubMed]

Fischer, P.

Y.-F. Chen, P. Fischer, and F. W. Wise, Phys. Rev. Lett. 95, 067402 (2005).
[CrossRef] [PubMed]

Nazarov, V. U.

Nistad, B.

B. Nistad and J. Skaar, http://arxiv.org/abs/0712.3132 (2008).

Perez-Molina, M.

Skaar, J.

J. Skaar, Phys. Rev. E 73, 026605 (2006).
[CrossRef]

B. Nistad and J. Skaar, http://arxiv.org/abs/0712.3132 (2008).

Wise, F. W.

Y.-F. Chen, P. Fischer, and F. W. Wise, Phys. Rev. Lett. 95, 067402 (2005).
[CrossRef] [PubMed]

Opt. Lett.

Phys. Rev. E

J. Skaar, Phys. Rev. E 73, 026605 (2006).
[CrossRef]

Phys. Rev. Lett.

Y.-F. Chen, P. Fischer, and F. W. Wise, Phys. Rev. Lett. 95, 067402 (2005).
[CrossRef] [PubMed]

Other

As an important example, it can be proved that the nonmagnetic two-component medium with negative refraction of makes any slab stable at normal incidence.

B. Nistad and J. Skaar, http://arxiv.org/abs/0712.3132 (2008).

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Equations (3)

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E i ( t ) = A exp [ ( t T ) 2 ] cos ( ω 0 t )
E r F ( t ) = 1 2 π ρ ( ω ) E i ( ω ) e i ω t d ω ,
E r L ( t ) = 1 2 π + i γ + i γ ρ ( ω ) E i ( ω ) e i ω t d ω ,

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