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2017 | 131 | 6 | 1485-1490
Article title

Enhancement of the Hong-Mandel Higher-Order Squeezing and Amplitude Odd-Power Squeezing in Even Coherent State by its Superposition with Vacuum State

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Abstracts
EN
We study the Hong-Mandel 2n th-order squeezing of the Hermitian operator, X_θ ≡ X₁cosθ + X₂sinθ and amplitude n th-power squeezing of the Hermitian operator, Y_θ^{(n)} ≡ Y₁^{(n)}cosθ + Y₂^{(n)}sinθ in superposed state |ψ⟩ = K[|α,+⟩ + re^{iφ}|0⟩], of vacuum state and even coherent state defined by |α,+⟩ = K_+[|α⟩+|-α⟩]. Here operators X_{1,2} are defined by X₁ + iX₂ = a, operators Y_{1,2}^{(n)} are defined by Y₁^{(n)} + iY₂^{(n)} = aⁿ, a is the annihilation operator, α, θ, r and φ are arbitrary and the only restriction on these is the normalization condition of the superposed state. We show that the Hong-Mandel 2n th-order squeezing and amplitude odd-power squeezing exhibited by even coherent state enhance in its superposition with vacuum state. Variations of these higher-orders squeezing with different parameters near its maxima have also been discussed.
Publisher

Year
Volume
131
Issue
6
Pages
1485-1490
Physical description
Dates
published
2017-06
received
2016-07-24
Contributors
author
  • Department of Physics, Bhavan's Mehta Mahavidyalaya (V.S. Mehta College of Science), Bharwari, Kaushambi-212201 (U.P.), India
author
  • Department of Physics, Udai Pratap Autonomous College, Varanasi-221002 (U.P.), India
author
  • Department of Physics, University of Allahabad, Allahabad (U.P.)-211002(U.P.), India
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bwmeta1.element.bwnjournal-article-appv131n613kz
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