Nonlinear Theory of Light Speed Reduction in a Three-Level
Λ System
WANG De-Zhong1,2, LI Dai-Jun1,2, LIU Xia-J1,2, LI Shi-Qun1,2,3, WANG Yu-Zhu4
1Department of Physics, Tsinghua University, Beijing 100084
2Key Laboratory for Quantum Information and Measurements, MOE, P. R. China
3Center for Atomic and Molecular Nanosciences, Tsinghua University, Beijing 100084
4Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800
Nonlinear Theory of Light Speed Reduction in a Three-Level
Λ System
WANG De-Zhong1,2;LI Dai-Jun1,2;LIU Xia-J1,2;LI Shi-Qun1,2,3;WANG Yu-Zhu4
1Department of Physics, Tsinghua University, Beijing 100084
2Key Laboratory for Quantum Information and Measurements, MOE, P. R. China
3Center for Atomic and Molecular Nanosciences, Tsinghua University, Beijing 100084
4Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800
Abstract：We present a nonlinear theory of light velocity reduction in a three-level Λ system based on electromagnetically induced transparency. Analysis shows that probe field propagates with a velocity that is quite strongly dependent on its intensity instead of being merely approximately dependent on the coupling intensity. Moreover, the minimum group velocity of the probe field is analytically given for a given input power.
(Effects of atomic coherence on propagation, absorption, and Amplification of light; electromagnetically induced transparency and Absorption)
引用本文:
WANG De-Zhong;LI Dai-Jun;LIU Xia-J;LI Shi-Qun;;WANG Yu-Zhu. Nonlinear Theory of Light Speed Reduction in a Three-Level
Λ System[J]. 中国物理快报, 2001, 18(8): 1067-1068.
WANG De-Zhong, LI Dai-Jun, LIU Xia-J, LI Shi-Qun, , WANG Yu-Zhu. Nonlinear Theory of Light Speed Reduction in a Three-Level
Λ System. Chin. Phys. Lett., 2001, 18(8): 1067-1068.
2001, Vol. 18 
