Realization of number-phase minimum-uncertainty states and number states by quantum nondemolition measurement

Kitagawa, M.; Imoto, N.; Yamamoto, Y.

Physical Review A, 1987, 35(12), 5270-5273

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Identifier to cite or link to this item: https://hdl.handle.net/11094/77659

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Title
Realization of number-phase minimum-uncertainty states and number states by quantum nondemolition measurement
Creator
NRID
1000020252629 1000020252629
ORCID
0000-0002-7434-6472 0000-0002-7434-6472
researchmap permalink
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Scopus Author ID
8326938600 8326938600
CreatorName
Kitagawa, M.
NRID
1000000313479 1000000313479
CreatorName
Imoto, N.
CreatorName
Yamamoto, Y.
Abstract
Number-phase minimum uncertainty states and number states are shown to be realized by quantum nondemolition measurements of the photon number. Interphase modulation in a Kerr medium establishes a quantum-mechanical correlation between the signal and probe waves initially in coherent states. State reduction is realized by homodyne detection of a probe quadrature-phase amplitude. The number uncertainty can be arbitrarily reduced by increasing the probe intensity. The minimum uncertainty relation between the number and sine operators approximately holds until a near-number state is realized.
Publisher
American Physical Society
Source Title
Physical Review A
Volume (Issue)
35(12)
Page
5270-5273
Date of Issued
1987-06-01
Language
English
Handle URL
https://hdl.handle.net/11094/77659
PISSN
05562791
NCID
AA00773599
Relation.isIdenticalTo
DOI (Publisher Version)
https://doi.org/10.1103/PhysRevA.35.5270
Access Rights
open access
CopyRight
Copyright (1987) by the American Physical Society
oaire:version
Version of Record
Category
学術雑誌論文 Journal Article