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Proceedings Paper

The effect of intensity noise on trapped-ion qubits
Author(s): Santiago Brouard; Jesus Plata
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Paper Abstract

The effect of intensity fluctuations on laser-induced coupling of electronic and vibrational states of a trapped ion is studied analytically. Different types of noise relevant to the experiments are considered. The resulting decoherence phenomenology is shown to present nontrivial characteristics. Noise color leads to nonexponential decay of the coherences: after the initial decay, determined by the probability distribution, a transient period specific to the noise spectrum is apparent; at large times, exponential decay sets in for widely different noise properties. The detection of these features in the evolution of an initial coherent state of the vibrational mode is discussed.

Paper Details

Date Published: 25 May 2004
PDF: 7 pages
Proc. SPIE 5468, Fluctuations and Noise in Photonics and Quantum Optics II, (25 May 2004); doi: 10.1117/12.547085
Show Author Affiliations
Santiago Brouard, Univ. de La Laguna (Spain)
Jesus Plata, Univ. de La Laguna (Spain)

Published in SPIE Proceedings Vol. 5468:
Fluctuations and Noise in Photonics and Quantum Optics II
Peter Heszler, Editor(s)

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