We perform the exact numerical diagonalization of the Hamiltonians that describe both degenerate and nondegenerate parametric amplifiers, by exploit- ing the conservation laws pertaining each device. We clarify the conditions under which the parametric approximation holds, showing that the most relevant require- ment is the coherence of the pump after the interaction, rather than its undepletion.
On the parametric approximation in quantum optics
M F Sacchi
1999
Abstract
We perform the exact numerical diagonalization of the Hamiltonians that describe both degenerate and nondegenerate parametric amplifiers, by exploit- ing the conservation laws pertaining each device. We clarify the conditions under which the parametric approximation holds, showing that the most relevant require- ment is the coherence of the pump after the interaction, rather than its undepletion.File in questo prodotto:
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