Nonclassical features of entangled coherent states

Muhammad Ashfaq Ahmad; Syed Hamad Bukhari; Salman Naeem Khan; Zeng Ran; Qinghong Liao; Shutian Liu

doi:10.1080/09500340.2011.577915

Nonclassical features of entangled coherent states

Muhammad Ashfaq Ahmad
, Syed Hamad Bukhari
, Salman Naeem Khan
, Zeng Ran
, Qinghong Liao
, Shutian Liu

School of Physics

COMSATS University Islamabad
Hangzhou Dianzi University
Harbin Institute of Technology

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

12 Scopus citations

Abstract

Nonclassical features of entangled coherent states (two-mode superposition coherent states) based on two coherent states shifted in phase by μ/2 are discussed. Analysis of Cauchy-Schwartz inequality, two-mode quadrature squeezing, oscillatory and sub-Poissonian photon statistics show that nonclassicality exists for these states. Furthermore, it is also observed that special states have remarkably strong nonclassical properties than the entangled coherent states based on famous even-odd coherent states.

Original language	English
Pages (from-to)	890-895
Number of pages	6
Journal	Journal of Modern Optics
Volume	58
Issue number	10
DOIs	https://doi.org/10.1080/09500340.2011.577915
State	Published - 10 Jun 2011

Keywords

nonclassicality
two-mode squeezing
two-mode superposition coherent states

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10.1080/09500340.2011.577915

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AU - Liu, Shutian

PY - 2011/6/10

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N2 - Nonclassical features of entangled coherent states (two-mode superposition coherent states) based on two coherent states shifted in phase by μ/2 are discussed. Analysis of Cauchy-Schwartz inequality, two-mode quadrature squeezing, oscillatory and sub-Poissonian photon statistics show that nonclassicality exists for these states. Furthermore, it is also observed that special states have remarkably strong nonclassical properties than the entangled coherent states based on famous even-odd coherent states.

AB - Nonclassical features of entangled coherent states (two-mode superposition coherent states) based on two coherent states shifted in phase by μ/2 are discussed. Analysis of Cauchy-Schwartz inequality, two-mode quadrature squeezing, oscillatory and sub-Poissonian photon statistics show that nonclassicality exists for these states. Furthermore, it is also observed that special states have remarkably strong nonclassical properties than the entangled coherent states based on famous even-odd coherent states.

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KW - two-mode squeezing

KW - two-mode superposition coherent states

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Nonclassical features of entangled coherent states

Abstract

Keywords

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