Multicolor coherence-induced negative refraction in three-level atomic system
Chinese Optics Letters, Vol. 10, Issue 12, pp. 122701-122701 (2012)
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Abstract
Multicolor manipulation of negative refraction in a three-level atomic system is theoretically investigated. Based on multicolor coherence, the negative refractive index can be obtained with reduced absorption. The refractive index can also be controlled by changing the sum of the phases of the sidebands in the trichromatic driving fields. By adjusting the sum phase, the refractive index can be varied between negative and positive in two different frequency bands. Furthermore, the frequency band corresponding to the negative refractive index is widened by increasing the intensity and the frequency difference of the trichromatic field.
© 2012 Chinese Optics Letters
OCIS Codes
(160.4330) Materials : Nonlinear optical materials
(190.4400) Nonlinear optics : Nonlinear optics, materials
(270.1670) Quantum optics : Coherent optical effects
ToC Category:
Quantum Optics
Citation
Hongju Guo, Hongjun Zhang, , Chunfang Wang, and Yu Chen, "Multicolor coherence-induced negative refraction in three-level atomic system," Chin. Opt. Lett. 10, 122701-122701 (2012)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-10-12-122701
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