Electromagnetically induced transparency : Optics in coherent media
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TLDR
In this paper, the authors consider the atomic dynamics and the optical response of the medium to a continuous-wave laser and show how coherently prepared media can be used to improve frequency conversion in nonlinear optical mixing experiments.Abstract:
Coherent preparation by laser light of quantum states of atoms and molecules can lead to quantum interference in the amplitudes of optical transitions. In this way the optical properties of a medium can be dramatically modified, leading to electromagnetically induced transparency and related effects, which have placed gas-phase systems at the center of recent advances in the development of media with radically new optical properties. This article reviews these advances and the new possibilities they offer for nonlinear optics and quantum information science. As a basis for the theory of electromagnetically induced transparency the authors consider the atomic dynamics and the optical response of the medium to a continuous-wave laser. They then discuss pulse propagation and the adiabatic evolution of field-coupled states and show how coherently prepared media can be used to improve frequency conversion in nonlinear optical mixing experiments. The extension of these concepts to very weak optical fields in the few-photon limit is then examined. The review concludes with a discussion of future prospects and potential new applications.read more
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Plasmonic analogue of electromagnetically induced transparency at the Drude damping limit.
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References
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Density dependent effects due to residual susceptibilities in a four-wave mixing scheme with electromagnetically induced transparency
TL;DR: In this article, the authors studied the generation of vacuum ultraviolet radiation (at 123.6 nm) produced in a resonant four-wave mixing scheme in krypton, enhanced by electromagnetically induced transparency.
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Evolution of maximal coherence and nonlinear mixing in an ionizing three-level medium
TL;DR: In this paper, the influence of photoionization, causing neutral atom depletion and accompanying electron impact dephasing, on a stimulated Raman adiabatic passage (STIRAP) scheme in a dense medium of three-level atoms is investigated.
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Ultrahigh reflection from a medium with ultraslow group velocity
TL;DR: In this article, it was shown that an incident wavepacket at the boundary to a medium with extremely slow group velocity experiences enhanced reflection and a substantial spatial and temporal distortion of the transmitted wave packet.
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Opto-electronic bistable devices in real-time optical information processing
TL;DR: In this paper, an opto-electronic bistable device using a twisted nematic liquid crystal cell is described, which is used in a new liquid crystal light valve with bistability in cellular array structure.