Phys. Rev. A 57, 388–391 (1998)Motional wave-packet splitting and ion-trap interferometryReceived 1 May 1997; published in the issue dated January 1998 For a single ion trapped in a harmonic potential under localization conditions beyond the Lamb-Dicke region, a motional wave packet can be coherently split by irradiating the trapped ion with appropriate counterpropagating traveling-wave laser pulses tuned to the second-sideband Raman resonance. Quantum interference between the split wave packets gives rise to interference fringes in the spatial probability distribution when the wave packets spatially overlap at a certain time during a periodic oscillation. An ion-trap interferometer is proposed on the basis of the wave-packet splitter in combination with quantum tomographic determination of the spatial interference fringes. © 1998 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.57.388
DOI:
10.1103/PhysRevA.57.388
PACS:
32.80.Pj, 03.65.Bz, 42.50.Md, 42.50.Vk
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