Rabi Oscillations Revival Induced by Time Reversal: A Test of Mesoscopic Quantum Coherence

Details Rabi Oscillations Revival Induced by Time Reversal: A Test of Mesoscopic Quantum Coherence Rabi Oscillations Revival Induced by Time Reversal: A Test of Mesoscopic Quantum Coherence

Jan 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005phrvl..94a0401m&link_type=abstract

Physical Review Letters, vol. 94, Issue 1, id. 010401

Physics

56

Quantum Mechanics, Entanglement Production, Characterization, And Manipulation, Nonclassical States Of The Electromagnetic Field, Including Entangled Photon States, Quantum State Engineering And Measurements

Scientific paper

Using an echo technique proposed by Morigi et al. [

Phys. Rev. APLRAAN1050-2947 65, 040102 (2002)10.1103/PhysRevA.65.040102

], we have time-reversed the atom-field interaction in a cavity quantum electrodynamics experiment. The collapse of the atomic Rabi oscillation in a coherent field is reversed, resulting in an induced revival signal. The amplitude of this “echo” is sensitive to nonunitary decoherence processes. Its observation demonstrates the existence of a mesoscopic quantum superposition of field states in the cavity between the collapse and the revival times.

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