Quantum correlations in dual quantum measurements

Anders Karlsson; Gunnar Björk

doi:10.1007/s003400050169

Quantum correlations in dual quantum measurements

Anders Karlsson
, Gunnar Björk

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

5 Scopus citations

Abstract

We analyze the quantum measurement properties of dual non-degenerate parametric amplifers in the twin-beam configuration, in the cascaded back-action-evasion configuration, and in Kerr-type photon-number quantum non-demolition measurements. It is found that Einstein-Podolsky-Rosen correlations can be obtained between the quadrature components of an idler mode and the sum of the readout of two signal modes. Furthermore, we discuss dual-mode quantum non-demolition measurements on the combination of two light modes, and the generation of number-state entanglement.

Original language	English
Pages (from-to)	235-241
Number of pages	7
Journal	Applied Physics B: Lasers and Optics
Volume	64
Issue number	2
DOIs	https://doi.org/10.1007/s003400050169
State	Published - Feb 1997
Externally published	Yes

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abstract = "We analyze the quantum measurement properties of dual non-degenerate parametric amplifers in the twin-beam configuration, in the cascaded back-action-evasion configuration, and in Kerr-type photon-number quantum non-demolition measurements. It is found that Einstein-Podolsky-Rosen correlations can be obtained between the quadrature components of an idler mode and the sum of the readout of two signal modes. Furthermore, we discuss dual-mode quantum non-demolition measurements on the combination of two light modes, and the generation of number-state entanglement.",

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AB - We analyze the quantum measurement properties of dual non-degenerate parametric amplifers in the twin-beam configuration, in the cascaded back-action-evasion configuration, and in Kerr-type photon-number quantum non-demolition measurements. It is found that Einstein-Podolsky-Rosen correlations can be obtained between the quadrature components of an idler mode and the sum of the readout of two signal modes. Furthermore, we discuss dual-mode quantum non-demolition measurements on the combination of two light modes, and the generation of number-state entanglement.

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Quantum correlations in dual quantum measurements

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