Skip to content

Comparison of 87Rb N-resonances for D1 and D2 transitions

Irina Novikova, David F. Phillips, Alexander S. Zibrov, Ronald L. Walsworth, Alexksei V. Taichenachev, Valeriy I. Yudin

physics.atom-pharXiv:physics/0601079

Abstract

We report an experimental comparison of three-photon-absorption resonances (known as "N-resonances") for the D1 and D2 optical transitions of thermal 87Rb vapor. We find that the D2 N-resonance has better contrast, a broader linewidth, and a more symmetric lineshape than the D1 N-resonance. Taken together, these factors imply superior performance for frequency standards operating on alkali D2 N-resonances, in contrast to coherent population trapping (CPT) resonances for which the D2 transition provides poorer frequency standard performance than the D1 transition.

Create a lesson