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Optical Pattern Formation with a 2-Level Nonlinearity by Camara, A.; Kaiser, R.; Labeyrie, G.; Firth, W. J.; Oppo, G. -L.; Robb, G. R. M.; Arnold, A. S.; Ackemann, T. is a scholarly article available to read on EtoBox.

What is Optical Pattern Formation with a 2-Level Nonlinearity about?

We present an experimental and theoretical investigation of spontaneous pattern formation in the transverse section of a single retro-reflected laser beam passing through a cloud of cold Rubidium atoms. In contrast to previously investigated systems, the nonlinearity at work here is that of a 2-level atom, which realizes the paradigmatic situation considered in many theoretical studies of optical pattern formation. In particular, we are able to observe the disappearance of the patterns at high intensity due to the intrinsic saturable character of 2-level atomic transitions.

Author

Camara, A.; Kaiser, R.; Labeyrie, G.; Firth, W. J.; Oppo, G. -L.; Robb, G. R. M.; Arnold, A. S.; Ackemann, T.

Published

2015

Language

EN