Physics – Quantum Physics
Scientific paper
2009-02-04
Phys. Rev. A 82, 013815 (2010)
Physics
Quantum Physics
Scientific paper
We analyze the influence of dipole-dipole interactions in an electromagnetically induced transparency setup at high density. We show both analytically and numerically that the polarization contribution to the local field strongly modulates the phase of a weak pulse. We give an intuitive explanation for this local field induced phase modulation and show that it distinctively differs from the nonlinear self-phase modulation a strong pulse experiences in a Kerr medium.
Dey Tarak Nath
Evers Joep
Fleischhaker Robert
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