Sublevel echoes selectively excited by light-pulse trains: synchronized-quantum-beat echoes
- 1 December 1983
- journal article
- Published by Optica Publishing Group in Optics Letters
- Vol. 8 (12) , 620-622
- https://doi.org/10.1364/ol.8.000620
Abstract
We report on a new type of sublevel echoes, synchronized-quantum-beat (SQB) echoes, generated by a successive application of two resonant light-pulse trains. The echoes are selectively generated for a sublevel pair whose frequency splitting is equal to an integral multiple of the repetition frequency of the light pulses. By using mode-locked laser pulses tuned to the D1 transition, we observed SQB echoes (and free induction decay) for all Zeeman and hyperfine transitions in the ground state of sodium atoms in low magnetic fields.Keywords
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