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Phase operators of the harmonic oscillator and suppression of a number state.

Abstract:
The phase properties of the quantized electromagnetic field have been studied using operators P± of the harmonic oscillator whose classical analogs are exp(i) being the classical phase. P+ and P- are used to construct a unitary operator Up()=exp(P+-±*P-) and the properties of the state generated by Up from a number state are studied. It is shown that by tuning it is possible to produce a pure state 0=Up(±)0 in which a specific number-state component is suppressed. © 1989 The American Physical Society.
Publication status:
Published

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Publisher copy:
10.1103/physreva.40.5426

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Theoretical Physics
Role:
Author
Journal:
Physical review. A
Volume:
40
Issue:
9
Pages:
5426-5429
Publication date:
1989-11-01
DOI:
ISSN:
1050-2947
Source identifiers:
23828
Language:
English
Pubs id:
pubs:23828
UUID:
uuid:93ca9ca8-e146-4d3a-856e-76a846990fd6
Local pid:
pubs:23828
Deposit date:
2012-12-19

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