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Double-negative atomic vapor assisted by two-photon quantum coherence
KTH, School of Information and Communication Technology (ICT), Centres, Zhejiang-KTH Joint Research Center of Photonics, JORCEP.
2012 (English)In: Journal of the Optical Society of America. B, Optical physics, ISSN 0740-3224, E-ISSN 1520-8540, Vol. 29, no 11, 3192-3200 p.Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
2012. Vol. 29, no 11, 3192-3200 p.
Keyword [en]
Electromagnetically Induced Transparency, Low-Frequency Plasmons, Permittivity, Permeability, Refraction, Emission, Photons, Media, Index, Dots
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Identifiers
URN: urn:nbn:se:kth:diva-107083DOI: 10.1364/JOSAB.29.003192ISI: 000310708700030Scopus ID: 2-s2.0-84870216774OAI: oai:DiVA.org:kth-107083DiVA: diva2:575339
Note

QC 20121210

Available from: 2012-12-10 Created: 2012-12-06 Last updated: 2017-12-07Bibliographically approved

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