## Steady-state population inversion by multiphoton electromagnetically induced transparency

JOSA B, Vol. 21, Issue 4, pp. 806-810 (2004)

http://dx.doi.org/10.1364/JOSAB.21.000806

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### Abstract

We show that electromagnetically induced transparency suppresses nonlinear absorption of all orders in a multilevel atomic system and leads to selective, multiphoton excitation of resonantly coupled atomic states. Under appropriate conditions, higher-order nonlinear absorption becomes dominant and selective steady-state population inversion is created among the resonantly coupled states.

© 2004 Optical Society of America

**OCIS Codes**

(020.4180) Atomic and molecular physics : Multiphoton processes

(190.5650) Nonlinear optics : Raman effect

(270.1670) Quantum optics : Coherent optical effects

**Citation**

Yifu Zhu, Joseph Saldana, Lingling Wen, and Ying Wu, "Steady-state population inversion by multiphoton electromagnetically induced transparency," J. Opt. Soc. Am. B **21**, 806-810 (2004)

http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-21-4-806

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