Generation of arbitrary Fock states via resonant interactions in cavity QED

Abstract

We propose a scheme to generate arbitrary Fock states |N in a cavity QED using N resonant Rydberg atoms. The atom-field interaction times are controlled via Stark-shifts adjusted in a way that each atom transfers a photon to the cavity, turning atomic detections useless. Fluctuations affecting the control of the atom-field interactions are also considered.

Density matrix reconstruction from displaced photon number distributions

“…Several theoretical models, mostly in the context of cavity quantum electrodynamics, for the preparation of an arbitrary number state have been proposed (see e.g. [4][5][6]12]). Even though this gives a theoretical method for measuring the distributions, it is not a practical one since the preparation procedures work only for small photon numbers.…”