Conditional Transformation Operator for Near State Generation

We show that by minor modification of the previously proposed procedure for the generation of near-coherent states, one can produce “near states” even from a mixed input state. In this study, we consider this procedure as a conditional quantum-state transformation and find the explicit form of the n...

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Bibliographic Details
Published inJournal of Russian laser research Vol. 45; no. 2; pp. 147 - 154
Main Authors Nahvifard, E., Bazrafkan, M. R.
Format Journal Article
LanguageEnglish
Published Cham Springer International Publishing 01.03.2024
Springer Nature B.V
Subjects
Lasers
Microwaves
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
RF and Optical Engineering
nonclassical states
near coherent states
conditional state transformation
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Summary:We show that by minor modification of the previously proposed procedure for the generation of near-coherent states, one can produce “near states” even from a mixed input state. In this study, we consider this procedure as a conditional quantum-state transformation and find the explicit form of the non-unitary transformation operator. We demonstrate that even in mixed states, this quantum process can produce nonclassical states with a smooth non-positive P -function.
ISSN:1071-2836
1573-8760
DOI:10.1007/s10946-024-10197-3