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Optical switching and inversionless amplification controlled by state-dependent alignment of molecules

Popov, A K and Slabko, V V (2005) Optical switching and inversionless amplification controlled by state-dependent alignment of molecules. Journal of Physics B: Atomic, Molecular and Optical Physics, 38 (11). pp. 1787-1796.

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Official URL: http://stacks.iop.org/0953-4075/38/1787

Abstract

Switching anisotropic molecules from strongly absorbing to strongly amplifying through a transparent state is shown to be possible by the application of dc or ac control electric fields without the requirement of population inversion. It is based on decoupling of the lower level molecules from the resonant light while the excited ones remain emitting due to their state-dependent alignment. The amplification index may become dependent only on a number of excited molecules and not on the population of the lower state. A suitable class of molecules and applications in optoelectronics, fibreoptics and nanophotonics are outlined.

Item Type:Article
ID Code:5456
Deposited By:Prof. Alexey Ivanov
Deposited On:06 Feb 2010 11:11
Last Modified:06 Feb 2010 11:53

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