Driving Rydberg-Rydberg transitions from a co-planar microwave waveguide

Details Driving Rydberg-Rydberg transitions from a co-planar microwave waveguide Driving Rydberg-Rydberg transitions from a co-planar microwave waveguide

2011-10-06

arxiv.org/abs/1110.1256v1

Phys. Rev. Lett. 108, 063004 (2012)

Physics

Atomic Physics

5 pages, 5 figures

Scientific paper

10.1103/PhysRevLett.108.063004

The coherent interaction between ensembles of helium Rydberg atoms and microwave fields in the vicinity of a solid-state co-planar waveguide is reported. Rydberg-Rydberg transitions, at frequencies between 25 GHz and 38 GHz, have been studied for states with principal quantum numbers in the range 30 - 35 by selective electric-field ionization. An experimental apparatus cooled to 100 K was used to reduce effects of blackbody radiation. Inhomogeneous, stray electric fields emanating from the surface of the waveguide have been characterized in frequency- and time-resolved measurements and coherence times of the Rydberg atoms on the order of 250 ns have been determined.

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