Quantum control by compensation of quantum fluctuations | Zendy

Holger F. Hofmann | Zendy; Ortwin Hess | Zendy; Günter Mahler | Zendy

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Quantum control by compensation of quantum fluctuations

Author(s) -

Holger F. Hofmann,

Ortwin Hess,

Günter Mahler

Publication year - 1998

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.2.000339

Subject(s) - optics , quantum , quantum imaging , compensation (psychology) , physics , quantum fluctuation , quantum optics , quantum information , quantum mechanics , quantum network , psychology , psychoanalysis

We show that the influence of quantum fluctuations in the electromagnetic field vacuum on a two level atom can be measured and consequently compensated by balanced homodyne detection and a coherent feedback field. This compensation suppresses the decoherence associated with spontaneous emissions for a specific state of the atomic system allowing complete control of the coherent state of the system.

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