Non-classical properties and generation schemes of superposition of multiple-photon-added two-mode squeezed vacuum state

Hue University Journal of Science: Natural Science - Tập 130 Số 1B - Trang 5-12 - 2021
Tran Quang Dat1, Truong Minh Thang2, Truong Minh Duc2
1University of Transport and Communications, 3 Cau Giay St., Dong Da Dist., Hanoi, Vietnam
2Department of Physics, University of Education, Hue University, 34 Le Loi St., Hue, Vietnam

Tóm tắt

In this paper, we study some non-classical properties and propose the generation schemes of the superposition of multiple-photon-added two-mode squeezed vacuum state (SMPA-TMSVS). Based on the   Wigner function, we clarify that this state is a non-Gaussian state, while the original two-mode squeezed vacuum state (TMSVS) is a Gaussian state. Besides, the SMPA-TMSVS is sum squeezing, as well as difference squeezing. In particular, the manifestation of the sum squeezing and the difference squeezing in the SMPA-TMSVS becomes more pronounced when increasing parameters r and e. In addition, by exploiting the schemes of photon-added superposition in the usual order, we give some schemes that the SMPA-TMSVS can be generated with the higher-order photon-added superposition by using some optical devices.

Từ khóa

#Photon-added two-mode squeezed vacuum state #Wigner function #sum squeezing #difference squeezing #generation scheme

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Hue University Journal of Science: Natural Science

Tập 130 Số 1B

5-12

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