Destruction of quantum coherence in a micromaser by finite detection efficiency

Pierre Meystre; John J. Slosser

doi:10.1016/0030-4018(89)90277-0

Destruction of quantum coherence in a micromaser by finite detection efficiency

Pierre Meystre, John J. Slosser

Physics

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

We discuss the relative effects of selective and nonselective atomic measurements on the "quantum purity" of a single mode field. This is a model for non-unit detection efficiency in a micromaser. We show that the quantum mixing associated with non- selective measurements imposes strong limitations on the detection efficiency that can be tolerated if quantum coherences are to be generated and detected.

Original language	English (US)
Pages (from-to)	103-108
Number of pages	6
Journal	Optics Communications
Volume	70
Issue number	2
DOIs	https://doi.org/10.1016/0030-4018(89)90277-0
State	Published - Feb 15 1989

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Physical and Theoretical Chemistry
Electrical and Electronic Engineering

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10.1016/0030-4018(89)90277-0

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title = "Destruction of quantum coherence in a micromaser by finite detection efficiency",

abstract = "We discuss the relative effects of selective and nonselective atomic measurements on the {"}quantum purity{"} of a single mode field. This is a model for non-unit detection efficiency in a micromaser. We show that the quantum mixing associated with non- selective measurements imposes strong limitations on the detection efficiency that can be tolerated if quantum coherences are to be generated and detected.",

author = "Pierre Meystre and Slosser, {John J.}",

note = "Funding Information: This work is supported by the Office of Naval Research Grant N00014-88-K-0294 and by NSF Grant PHY8603368. JJS is supported in part by JSOP. We acknowledge numerous discussions with C. Savage, H. Walther, E.M. Wright and recently with S. Braunstein.",

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AU - Slosser, John J.

N1 - Funding Information: This work is supported by the Office of Naval Research Grant N00014-88-K-0294 and by NSF Grant PHY8603368. JJS is supported in part by JSOP. We acknowledge numerous discussions with C. Savage, H. Walther, E.M. Wright and recently with S. Braunstein.

PY - 1989/2/15

Y1 - 1989/2/15

N2 - We discuss the relative effects of selective and nonselective atomic measurements on the "quantum purity" of a single mode field. This is a model for non-unit detection efficiency in a micromaser. We show that the quantum mixing associated with non- selective measurements imposes strong limitations on the detection efficiency that can be tolerated if quantum coherences are to be generated and detected.

AB - We discuss the relative effects of selective and nonselective atomic measurements on the "quantum purity" of a single mode field. This is a model for non-unit detection efficiency in a micromaser. We show that the quantum mixing associated with non- selective measurements imposes strong limitations on the detection efficiency that can be tolerated if quantum coherences are to be generated and detected.

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Destruction of quantum coherence in a micromaser by finite detection efficiency

Abstract

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