9807038v1

related topics
{level, atom, field}
{state, states, coherent}
{measurement, state, measurements}
{photon, photons, single}
{light, field, probe}
{cavity, atom, atoms}
{time, wave, function}
{force, casimir, field}

Quantum control of atomic systems by time-resolved homodyne detection of spontaneous emission

Holger F. Hofmann, Ortwin Hess, Guenter Mahler

abstract: We describe the light-matter interaction of a single two level atom with the electromagnetic vacuum in terms of field and dipole variables by considering homodyne detection of the emitted fields. Spontaneous emission is then observed as a continuous fluctuating force acting on the atomic dipole. The effect of this force may be compensated and even reversed by feedback.

oai_identifier:
oai:arXiv.org:quant-ph/9807038
categories:
quant-ph physics.atom-ph physics.optics
comments:
5 pages Latex, contribution to the proceedings of the ISQM98 conference held August 24th to 27th in Tokyo
arxiv_id:
quant-ph/9807038
journal_ref:
Quantum Coherence and Decoherence, edited by Y.A. Ono and K. Fujikawa, Elsevier 1999
created:
1998-07-14

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