Nonclassicality generated by repeatedly operating photon annihilation-then-creation and creation-then-annihilation on squeezed vacuum

Xu, Xue-Xiang; Yuan, Hao; Zhou, Lin

doi:10.1016/j.optcom.2014.09.019

Cited by 7 publications

(2 citation statements)

References 46 publications

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“…Mandel's Q parameter has been a useful criterion for distinguishing the non-classical light from a classical one. It is defined as [28]…”

Section: Mandel's Q-parametermentioning

confidence: 99%

Construction of Laguerre polynomial’s photon-added squeezing vacuum state and its quantum properties*

Dao-ming¹

2020

Chinese Phys. B

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Laguerre polynomial’s photon-added squeezing vacuum state is constructed by operation of Laguerre polynomial’s photon-added operator on squeezing vacuum state. By making use of the technique of integration within an ordered product of operators, we derive the normalization coefficient and the calculation expression of 〈ala †〉. Its statistical properties, such as squeezing, the anti-bunching effect, the sub-Poissonian distribution property, the negativity of Wigner function, etc., are investigated. The influences of the squeezing parameter on quantum properties are discussed. Numerical results show that, firstly, the squeezing effect of the 1-order Laguerre polynomial’s photon-added operator exciting squeezing vacuum state is strengthened, but its anti-bunching effect and sub-Poissonian statistical property are weakened with increasing squeezing parameter; secondly, its squeezing effect is similar to that of squeezing vacuum state, but its anti-bunching effect and sub-Poissonian distribution property are stronger than that of squeezing vacuum state. These results show that the operation of Laguerre polynomial’s photon-added operator on squeezing vacuum state can enhance its non-classical properties.

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“…Mandel's Q parameter has been a useful criterion for distinguishing the non-classical light from a classical one. It is defined as [28]…”

Section: Mandel's Q-parametermentioning

confidence: 99%

Construction of Laguerre polynomial’s photon-added squeezing vacuum state and its quantum properties*

Dao-ming¹

2020

Chinese Phys. B

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show abstract

“…On the other hand, Lee's group [21] investigated the properties of these states obtained by repeatedly applying (a † a) m and (aa † ) m to the CS and thermal state, respectively. Very recently, our group also studied repeatedly applying (a † a) m and (aa † ) m to the thermal state [22] and squeezed vacuum state [23] and compared their nonclassical and non-Gaussian properties. However, in Ref.…”

Section: Introductionmentioning

confidence: 99%

Higher-order nonclassical effects generated by multiple-photon annihilation-then-creation and creation-then-annihilation coherent states

Yuan

Jin

et al. 2016

Chinese Phys. B

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We explore two observable nonclassical properties of quantum states generated by repeatedly operating annihilationthen-creation (AC) and creation-then-annihilation (CA) on the coherent state, respectively, such as higher-order sub-Poissonian statistics and higher-order squeezing-enhanced effect. The corresponding analytical expressions are derived in detail depending on m. By numerically comparing those quantum properties, it is found that these states above have very different nonclassical properties and nonclassicality is exhibited more strongly after AC operation than after CA operation.

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Laser welding of polymer and fiber-reinforced composites for aircraft

Fernandes,

Alves,

Pereira

2024

Modern Manufacturing Processes for Aircraft Materials

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Nonclassicality generated by repeatedly operating photon annihilation-then-creation and creation-then-annihilation on squeezed vacuum

Cited by 7 publications

References 46 publications

Construction of Laguerre polynomial’s photon-added squeezing vacuum state and its quantum properties*

Construction of Laguerre polynomial’s photon-added squeezing vacuum state and its quantum properties*

Higher-order nonclassical effects generated by multiple-photon annihilation-then-creation and creation-then-annihilation coherent states

Laser welding of polymer and fiber-reinforced composites for aircraft

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