Experiment Setup

  • Jonathan D. Pritchard
Part of the Springer Theses book series (Springer Theses)


There are two requirements for experimental observation of cooperative optical effects in Rydberg EIT due to dipole–dipole interactions. Firstly, a high atomic density is required to ensure a large optical depth on the probe transition whilst meeting the condition \(k^{\prime }R<1\), where \(k^{\prime }\) is the wave-vector for the Rydberg dipole; and secondly, the dipole–dipole interactions must dominate over any other dephasing mechanisms in the system such as collisional broadening or the Doppler shift. The Doppler effect is important as atoms moving at different velocities observe different laser frequencies. This can shift the blockaded-states back into resonance, leading to a significant reduction of the blockade size for room temperature samples [1].


Probe Beam Probe Laser Rydberg State Laser Cool Atom Cloud 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  1. 1.Durham UniversityDurhamUK

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