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Double-negative ato...
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Shen, Jian QiKTH,Zhejiang-KTH Joint Research Center of Photonics, JORCEP,Centre for Optical and Electromagnetic Research, State Key Laboratory of Modern Optical Instrumentations, East Building No. 5, Zijingang Campus, Zhejiang University, Hangzhou 310058, China
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Double-negative atomic vapor assisted by two-photon quantum coherence
- Artikel/kapitelEngelska2012
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The Optical Society,2012
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LIBRIS-ID:oai:DiVA.org:kth-107083
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-107083URI
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https://doi.org/10.1364/JOSAB.29.003192DOI
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Språk:engelska
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Sammanfattning på:engelska
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QC 20220202
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A scenario for realizing simultaneously negative permittivity and permeability of a two-photon quantum-coherent atomic vapor is suggested in order to achieve a left-handed atomic medium with a negative refractive index. One of the remarkable features of the present scheme is that it can lead to a controllable manipulation of the negative refractive index of the atomic vapor. Since the electric- and magnetic-dipole allowed transitions of atoms can be excited by visible and infrared lightwaves, the refractive index of the atomic vapor can exhibit its negative refractive index at optical and near-optical frequency bands. This may be a new scheme to fabricate a negatively refracting material based on the quantum optical approach. Such a three-dimensionally isotropic negative refractive index at visible and infrared wavelengths induced by the two-photon-resonant quantum coherence would find a potential application in fabrication of superlenses for perfect imaging and subwavelength focusing.
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KTHZhejiang-KTH Joint Research Center of Photonics, JORCEP
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Ingår i:Journal of the Optical Society of America. B, Optical physics: The Optical Society29:11, s. 3192-32000740-32241520-8540
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