2022
DOI: 10.1002/qua.26955
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Controllable fast light in quantum dot molecules assisted hybrid optomechanical system

Abstract: We investigate the superluminal effect of transmitted probe field in three‐level quantum dot molecules (QDMs) assisted optomechanical system which consist of mechanical resonator. We show that the superluminal behavior of transmitted probe field can be controlled by changing the tunneling strength and number of QDMs inside the cavity. Furthermore, it is shown that in the absence of tunneling strength, the transmitted probe field shows the fast light effect and by increasing the number of QDMs, the enhancement … Show more

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Cited by 6 publications
(9 citation statements)
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“…Further, in an another study the effect of transmitted probe field in three‐level quantum dot molecules (QDMs) embedded in optomechanical system was studied by using H‐P transformation. [ 110 ]…”
Section: Analysis Of Optical Bistabilitymentioning
confidence: 99%
See 1 more Smart Citation
“…Further, in an another study the effect of transmitted probe field in three‐level quantum dot molecules (QDMs) embedded in optomechanical system was studied by using H‐P transformation. [ 110 ]…”
Section: Analysis Of Optical Bistabilitymentioning
confidence: 99%
“…Further, in an another study the effect of transmitted probe field in three-level quantum dot molecules (QDMs) embedded in optomechanical system was studied by using H-P transformation. [110] In Equation ( 1), by utilizing the Holstein-Primakoff (H-P) transformation the collective operators A(A † ) of the QD ensemble are,…”
Section: H-p Transformation Approachmentioning
confidence: 99%
“…Various nonlinear effects have recently been studied in a hybrid optomechanical system consisting of Kerr non-linear substrate with quadratic optomechanical coupling [45]. The optical response of similar systems having linear optomechanical coupling and consisting of quantum dot molecules, which are double semiconductor quantum dots coupled by tunneling was further examined [46][47][48]. We have studied a similar system earlier in which we illustrated the optical bistability and optomechanical induced transparency [49].…”
Section: Introductionmentioning
confidence: 99%
“…Motivated by previous research which illustrates the coupling between the optomechanical system with various objects like atoms, quantum wells, quantum dots etc., experiments based on the interaction of quantum dots with optomechanical system [50] and various fascinating phenomena including quantum dot molecules [46][47][48]51], in this paper, we consider an optomechanical system with three-level quantum dot molecules inside it. The optical cavity is second-order coupled to the mechanical resonator.…”
Section: Introductionmentioning
confidence: 99%
“…In optomechanics numbers of papers are gifted both theoretically and experimentally. In the theoretical works, hybrid optomechanical systems are considered [11,21–25]. The position‐dependant mass of the mechanical oscillator is considered m(q) [26].…”
Section: Introductionmentioning
confidence: 99%