Effect of light polarization and dimensions of Λ-type three level cylindrical quantum dot on electromagnetically induced transparency

Raki, Zahra; Argani, Hassan

doi:10.1016/j.spmi.2013.10.034

Cited by 24 publications

(3 citation statements)

References 20 publications

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“…where If, however, γ 31 = γ 21 as they were taken in many theoretical papers [30][31][32][33][34][35][36][37][38][39][40], we obtain Γ = γ 21 , Ω ref = 0. Therefore ∆ ± p = iγ 21 ± Ω c and equation ( 17) can be written as:…”

Section: Transparency Induced Through Autler-townes Splittingmentioning

confidence: 99%

“…In semiconductor nanostructures, EIT has been experimentally demonstrated in quantum wells [22][23][24][25][26][27] and InGaAs quantum dots [28,29]. Many theoretical papers investigated EIT occurrence in quantum wells [30,31], dots [32][33][34][35][36][37][38] and rings [39][40][41]. However, these theoretical studies treated on the influence of the external fields, temperature and pressure on the transparency window making no difference between EIT and ATS regimes, even though they worked with a rather strong coupling field.…”

Section: Introductionmentioning

confidence: 99%

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Magnetic field controlled induced transparency by Autler–Townes splitting in pseudo-elliptic quantum ring

2019

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We theoretically investigated the effects of magnetic field and of the parameters of control and probe lasers on the transparency induced through Autler-Townes splitting (ATS) in GaAs/GaAlAs pseudo-elliptic quantum ring. We showed that if equal decay rates are considered the investigation of the electromagnetically induced transparency phenomenon can be done only in the strong coupling regime. Our study reveals that the quantum system is in a Λ configuration in the absence of external fields but, in the presence of the magnetic field, it may present simultaneously many configurations (of Λ, Ξ and V type) that allow the occurrence of transparency, separated by very narrow regions of magnetic fields where no configuration is active. The magnetic field determines almost periodically the switch between configurations. We demonstrated that in V (Ξ) configurations the ATS requires the greatest (lowest) intensity of the control laser and of the energy of the probe laser.

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Section: Transparency Induced Through Autler-townes Splittingmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Magnetic field controlled induced transparency by Autler–Townes splitting in pseudo-elliptic quantum ring

2019

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“…The optical properties of semicon ductor nanostructures such as quantum dots (QD), quantum wells and quantum wires have been investigated widely [5][6][7]. In recent years, EIT has been investigated theoretically in dif ferent quantum dots with various configurations [8][9][10][11][12][13].…”

Section: Introductionmentioning

confidence: 99%

Kerr nonlinearity and nonlinear absorption coefficient in a four-level M-model cylindrical quantum dot under the phenomenon of electromagnetically induced transparency

Behroozian

Argani

2018

Laser Phys.

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The Kerr nonlinearity and the nonlinear absorption coefficient in a fourlevel Mmodel of a GaAs cylindrical quantum dot (QD) with parabolic potential under electromagnetically induced transparency are investigated. By solving the density matrix equations in the steady state, the third order susceptibility is obtained. Then, by using the real and imaginary parts of third order susceptibility, the Kerr nonlinearity and the nonlinear absorption coefficient, respectively, for this system are computed. The effects of the radius and height of the cylindrical QD are then investigated. In addition, the effects of the control laser fields on the Kerr nonlinearity and the nonlinear absorption coefficient are investigated.

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Theoretical study of phase-controlled optical absorption, gain and group index in double-quantum-dot molecule

Chen

Wang

et al. 2022

J Opt

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Effect of light polarization and dimensions of Λ-type three level cylindrical quantum dot on electromagnetically induced transparency

Cited by 24 publications

References 20 publications

Magnetic field controlled induced transparency by Autler–Townes splitting in pseudo-elliptic quantum ring

Magnetic field controlled induced transparency by Autler–Townes splitting in pseudo-elliptic quantum ring

Kerr nonlinearity and nonlinear absorption coefficient in a four-level M-model cylindrical quantum dot under the phenomenon of electromagnetically induced transparency

Theoretical study of phase-controlled optical absorption, gain and group index in double-quantum-dot molecule

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