Dark-state polaritons for multicomponent and stationary light fields

F. E. Zimmer, J. Otterbach, R. G. Unanyan, B. W. Shore, M. Fleischhauer

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We present a general scheme to determine the loss-free adiabatic eigensolutions (dark-state polaritons) of the interaction of multiple probe laser beams with a coherently driven atomic ensemble under conditions of electromagnetically induced transparency. To this end we generalize the Morris-Shore transformation to linearized Heisenberg-Langevin equations describing the coupled light-matter system in the weak excitation limit. For the simple lambda-type coupling scheme the generalized Morris-Shore transformation reproduces the dark-state polariton solutions of slow light. Here we treat a closed-loop dual- V scheme wherein two counterpropagating control fields generate a quasistationary pattern of two counterpropagating probe fields-so-called stationary light. We show that contrary to previous predictions, there exists a single unique dark-state polariton; it obeys a simple propagation equation. © 2008 The American Physical Society.

Original languageEnglish
Article number063823
JournalPhysical Review A
Issue number6
Publication statusPublished - 16 Jun 2008

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    Zimmer, F. E., Otterbach, J., Unanyan, R. G., Shore, B. W., & Fleischhauer, M. (2008). Dark-state polaritons for multicomponent and stationary light fields. Physical Review A, 77(6), [063823]. https://doi.org/10.1103/PhysRevA.77.063823