Space–time cloaks through birefringent Goos–H&#228;nchen shifts

Humayun Khan; Muhammad Haneef; Bakhtawar

doi:10.3788/COL201917.032701

Journals >Chinese Optics Letters >Volume 17 >Issue 3 >Page 032701 > Article

Chinese Optics Letters
Vol. 17, Issue 3, 032701 (2019)

Space–time cloaks through birefringent Goos–Hänchen shifts

Humayun Khan¹, Muhammad Haneef^1、*, and Bakhtawar^1、2

Author Affiliations

¹Laboratory of Theoretical Physics, Department of Physics, Hazara University Mansehra, 21300, Pakistan

²Department of Physics, Women University Mardan, 23200, Pakistan

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DOI: 10.3788/COL201917.032701 Cite this Article Set citation alerts

Humayun Khan, Muhammad Haneef, Bakhtawar. Space–time cloaks through birefringent Goos–Hänchen shifts[J]. Chinese Optics Letters, 2019, 17(3): 032701 Copy Citation Text

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Fig. 1. Energy diagram of four-level atomic system.

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Birefringent reflection and transmission versus θ, such that γe,1=1γ, γb=0.02γ, Ωc=1.5γ, Δp=0γ, φ1=π/2, φ(φ2,c)=0, x=0.5.

Fig. 2. Birefringent reflection and transmission versus

θ

, such that

γ_{e, 1} = 1 γ

γ_{b} = 0.02 γ

Ω_{c} = 1.5 γ

Δ_{p} = 0 γ

φ_{1} = π / 2

φ (φ_{2, c}) = 0

x = 0.5

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Fig. 3. Birefringent reflection and transmission versus

θ

, such that

γ_{e, 1} = 1 γ

γ_{b} = 0.02 γ

θ = π / 3

Δ_{p} = 0 γ

φ_{1} = π / 2

φ (φ_{2, c}) = 0

x = 0.5

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Fig. 4. Birefringence shifts in the reflection beam versus

θ

, such that

γ_{e, 1} = 1 γ

γ_{b} = 0.02 γ

Ω_{c} = 1.5 γ

Δ_{p} = 0 γ

φ_{1} = π / 2

φ (φ_{2, c}) = 0

x = 0.5

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Fig. 5. Birefringence GH shifts in the transmission beam versus

θ

, such that

γ_{e, 1} = 1 γ

γ_{b} = 0.02 γ

θ = π / 3

Δ_{p} = 0 γ

φ_{1} = π / 2

φ (φ_{2, c}) = 0

x = 0.5

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Fig. 6. Normalized input intensity versus

t / τ_{0}

and

y / w

τ_{0} = 1.5 μ s

w = 30 λ_{p}

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Fig. 7. Normalized transmission and reflection pulses intensities versus

t / τ_{0} a n d y / w

, such that

γ_{e, 1} = 1 γ

γ_{b} = 0.02 γ

θ = π / 3

Δ_{p} = 0 γ

φ_{1} = π / 2

φ (φ_{2, c}) = 0

x = 0.5

Ω_{c} = 1.5 γ

τ_{0} = 1.5 μs

w = 30 λ_{p}

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Humayun Khan, Muhammad Haneef, Bakhtawar. Space–time cloaks through birefringent Goos–Hänchen shifts[J]. Chinese Optics Letters, 2019, 17(3): 032701

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