Negative refraction at optical frequencies in nonmagnetic two-component 
molecular media

Chen, Yi-Fan; Fischer, Peer; Wise, Frank W.

doi:10.1103/PhysRevLett.95.067402

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Negative refraction at optical frequencies in nonmagnetic two-component molecular media

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Fischer, Peer
Max Planck Institute for Medical Research, Max Planck Society;

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Citation

Chen, Y.-F., Fischer, P., & Wise, F. W. (2005). Negative refraction at optical frequencies in nonmagnetic two-component molecular media. Physical Review Letters, 95(6): 067402, pp. 067402-1-067402-4. doi:10.1103/PhysRevLett.95.067402.

Cite as: https://hdl.handle.net/21.11116/0000-000A-F4B6-5

Abstract

There is significant motivation to develop media with negative refractive indices at optical frequencies, but efforts in this direction are hampered by the weakness of the magnetic response at such frequencies. We show theoretically that a nonmagnetic medium with two atomic or molecular constituents can exhibit a negative refractive index. A negative index is possible even when the real parts of both the permittivity and permeability are positive. This surprising result provides a route to isotropic negative-index media at optical frequencies.