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AC-Stark shift and photoionization of Rydberg atoms in an optical dipole trap
AC-Stark shift photoionization Rydberg atoms
2010/11/12
We have measured the AC-Stark shift of the $14D_{5/2}$ Rydberg state of rubidium 87 in an optical dipole trap formed by a focussed CO$_2$-laser. We find good quantitative agreement with the model of ...
Circuit QED with a Nonlinear Resonator : ac-Stark Shift and Dephasing
Circuit QED Nonlinear Resonator ac-Stark Shift and Dephasing
2010/11/9
We have performed spectroscopic measurements of a superconducting qubit dispersively coupled to a nonlinear resonator driven by a pump microwave field. Measurements of the qubit frequency shift provid...
Far-off resonance conditional phase-shifter using the ac-Stark shift
Far-off phase-shifter ac-Stark shift
2010/4/7
We propose a simple technique that achieves a conditional phase shift of pi radians between two weak lasers with energies at the 1000-photon level. The key idea is to set up a V-system with two far-of...