Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Log inSign up
Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Blog
Job Board
Q3AS

© 2026 Aqora Quantum S.A.S.

TermsPrivacyLegal Notice

Theoretical investigation on the phenomena in the closed Raman-driven four-level system

Hong Yuan Ling

Published May 8, 1994• 0 citations
OpenAlex

Related papers

Theoretical analysis of a four-level laser without inversion driven by a pulsed Raman field

Heide Doss, Lorenzo M. Narducci, Marlan O. Scully +1 more

Optics Communications•Jan 1, 1993•25 citations

Nonlinear index-enhancement and laser propagation in a four-level Raman-driven system

W.W. Dostalik

•Nov 1, 1997•0 citations

Effect of finite bandwidths of probe and driving fields on refractive index and gain in a Raman-driven four-level system

Hanzhuang Zhang, Jin-Yue Gao

Zeitschrift für Physik D Atoms Molecules and Clusters•Mar 1, 1996•3 citations

Physical origin of the gain in a four-level model of a Raman driven laser without inversion

Lorenzo M. Narducci, Marlan O. Scully, Christoph H. Keitel +2 more

Optics Communications•Nov 1, 1991•96 citations

Theoretical investigation of phenomena in the closed Raman-driven four-level symmetrical model

Hong Yuan Ling

We construct a solution to the linear complex absorption coefficient for the closed Raman-driven four-level symmetrical model. We derive, from this solution, asymptotic expressions for the spectra around and away from the two-photon resonance in the absence as well as in the presence of the Doppler broadening. They are used for the derivations of analytical conditions and the discussion of the physical origins of various phenomena that do not appear in the traditional two-level system.

Physical Review A•Apr 1, 1994•13 citations

Effective cross-Kerr nonlinearity in a Raman resonant of four-level atom

Li Yongfang

A theoretical investigation is put forward for obtaining effective cross-Kerr nonlinearity of the four-level atom interacting with three electromagnetic fields.Using density-matrix equations and perturbation iterative method,the variation dependence of the third-order susceptibility on the detunings of the applied electromagnetic fields is derived.The results show that a large cross-Kerr nonlinearity can be generated when the detunings of the two weak probe fields are Raman resonant,and the corresponding linear susceptibility and self-Kerr interactions vanish.The realization of the effective Kerr nonlinearity with vanishing absorption is possible in a Raman resonant four-level system.

Journal of Shaanxi Normal University•Jan 1, 2011•0 citations
A theoretical investigation is put forward for obtaining effective cross-Kerr nonlinearity of the four-level atom interacting with three electromagnetic fields.Using density-matrix equations and perturbation iterative method,the variation dependence of the third-order susceptibility on the detunings of the applied electromagnetic fields is derived.The results show that a large cross-Kerr nonlinearity can be generated when the detunings of the two weak probe fields are Raman resonant,and the corresponding linear susceptibility and self-Kerr interactions vanish.The realization of the effective Kerr nonlinearity with vanishing absorption is possible in a Raman resonant four-level system.