Journal ArticleDOI
Enhanced Kerr nonlinearity via atomic coherence in a three-level atomic system.
Hai Wang,David Goorskey,Min Xiao +2 more
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TLDR
The Kerr nonlinear coefficient n(2) changes sign when the coupling beam frequency detuning switches sign, which can lead to interesting applications in optical devices such as all-optical switches.Abstract:
We measure the Kerr-nonlinear index of refraction of a three-level Lambda-type atomic system inside an optical ring cavity. The Kerr nonlinearity is modified and greatly enhanced near atomic resonant conditions for both probe and coupling beams. The Kerr nonlinear coefficient n(2) changes sign when the coupling beam frequency detuning switches sign, which can lead to interesting applications in optical devices such as all-optical switches.read more
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Journal ArticleDOI
Effect of quantum interference on optical bistability in the three-level V-type atomic system
TL;DR: In this article, the authors studied the effect of quantum interference and coupling field on the optical bistability of a three-level atomic system in V-configuration confined in a unidirectional optical ring cavity.
Journal ArticleDOI
Giant Kerr nonlinearity induced by interacting dark resonances
TL;DR: Compared with that generated in a single-dark-resonance system, the Kerr nonlinearity can be enhanced by several orders of magnitude with vanishing linear absorption.
Journal ArticleDOI
Efficient hyper-Raman scattering in resonant coherent media.
Ying Wu,Lingling Wen,Yifu Zhu +2 more
TL;DR: A hyper-Raman scheme for generation of coherent light in a five-level atomic system based on electromagnetically induced transparency (EIT) is proposed and it is shown that EIT suppresses linear and nonlinear photon absorption and enables the hyper- Raman process to proceed through real, near-resonant intermediate states.
Journal ArticleDOI
Polarization phase gate with a tripod atomic system
S. Rebic,David Vitali,Carlo Ottaviani,Paolo Tombesi,Maurizio Artoni,Maurizio Artoni,Francesco Saverio Cataliotti,Francesco Saverio Cataliotti,Ramón Corbalán +8 more
TL;DR: In this article, the nonlinear optical response of a four-level atomic system driven into a tripod configuration is analyzed and the large cross-Kerr nonlinearities that occur in such a system are shown to produce nonlinear phase shifts of order
Journal ArticleDOI
Proposal for efficient two-dimensional atom localization using probe absorption in a microwave-driven four-level atomic system
TL;DR: In this paper, the authors explored the behavior of 2D atom localization by monitoring the probe absorption in a microwave-driven four-level atomic medium under the action of two orthogonal standing-wave fields.
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