Nearly Ideal Squeezing in Degenerate Two-Photon Absorption in Three-Level Atoms
We study single mode two-photon optical bistability, by full three-level treatment of a collection of atoms in an optical cavity, driven by an external coherent electromagnetic field. The Hamiltonian describing the interaction between the field and three-level atoms in a ladder configuration is:
where R+ (R − ) and S + (S − )re the collective atomic raising (lowering) operators for the two transitions, g r and g s are the corresponding coupling constants and A (A + ) is the annihilation (creation) operator for the field mode.
KeywordsNormal Form Level Model Field Mode Optical Cavity Instability Threshold
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© Springer Science+Business Media New York 1996