Synchronization of Chaotic Quantum Dot Light Emitting Diodes under Optical Feedback Effect

Mapping Intimacies ◽

10.32792/utq/utjsci/vol7/2/31 ◽

2020 ◽

pp. 144-148

Keyword(s):

Quantum Dot ◽

Delay Time ◽

Chaos Synchronization ◽

Optical Feedback ◽

Light Emitting Diode ◽

Feedback Effect ◽

Complete Synchronization ◽

Light Emitting ◽

Coupling Methods ◽

Coupling Parameters

Chaos synchronization of delayed quantum dot light emitting diode has been studied theortetically which are coupled via the unidirectional and bidirectional. at synchronization of chaotic, The dynamics is identical with delayed optical feedback for those coupling methods. Depending on the coupling parameters and delay time the system exhibits complete synchronization, . Under proper conditions, the receiver quantum dot light emitting diode can be satisfactorily synchronized with the transmitter quantum dot light emitting diode due to the optical feedback effect.

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Chaos Synchronization of Delayed Quantum Dot Light Emitting Diodes

WSEAS TRANSACTIONS ON ELECTRONICS ◽

10.37394/232017.2020.11.14 ◽

2020 ◽

Vol 11 ◽

pp. 112-119

Author(s):

Hussein B. Al Husseini

Keyword(s):

Quantum Dot ◽

Chaos Synchronization ◽

Mutual Coupling ◽

Light Emitting Diodes ◽

Optical Feedback ◽

Open Loop ◽

Complete Synchronization ◽

Light Emitting ◽

Coupling System ◽

Coupling Parameters

Chaos synchronization of two quantum dot light emitting diodes (QDLEDs) theoretically isstudied, which is delay coupled via a closed or open –loop and mutual coupling system. Whereas thesynchronized- chaotic systems, the dynamics of there are identical to uncoupled DLED under opticalfeedback effect. Complete synchronization was obtained under certain conditions for the couplingparameters. We evaluated the range of the QDLED’s chaos with extrinsic optical feedback in methodsof the chaos synchronization residue diagram and discussion as well of the coherence for the optimalcoupling strength range. With proper conditions of the coupling parameters and the evaluationmethods, the synchronization was satisfactorily obtained between the transmitter and receiver.

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Synchronization of Delayed Quantum Dot Light Emitting Diodes

WSEAS TRANSACTIONS ON ELECTRONICS ◽

10.37394/232017.2020.11.18 ◽

2021 ◽

Vol 11 ◽

pp. 151-158

Author(s):

Hussein B. Al Husseini

Keyword(s):

Quantum Dot ◽

Chaos Synchronization ◽

Light Emitting Diodes ◽

Optical Feedback ◽

Open Loop ◽

Complete Synchronization ◽

Light Emitting ◽

Coupling System ◽

Coupling Parameters ◽

Optimal Coupling

Chaos synchronization of two quantum dot light emitting diodes (QDLEDs) theoretically is studied, which is delay coupled via a closed or open –loop and mutual coupling system. Whereas the synchronized- chaotic systems, the dynamics of there are identical to uncoupled DLED under optical feedback effect. Complete synchronization was obtained under certain conditions for the coupling parameters. We evaluated the range of the QDLED’s chaos with extrinsic optical feedback in methods of the chaos synchronization residue diagram and discussion as well of the coherence for the optimal coupling strength range. With proper conditions of the coupling parameters and the evaluation methods, the synchronization was satisfactorily obtained between the transmitter and receiver

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Evaluation of quantum dot light-emitting diodes synchronization under optically feedback

Journal of Optical Communications ◽

10.1515/joc-2020-0110 ◽

2020 ◽

Vol 0 (0) ◽

Cited By ~ 1

Author(s):

Hussein B. Al Husseini

Keyword(s):

Quantum Dot ◽

Chaos Synchronization ◽

Light Emitting Diodes ◽

Optical Feedback ◽

Open Loop ◽

Complete Synchronization ◽

Light Emitting ◽

Coupling System ◽

Coupling Parameters ◽

Optimal Coupling

AbstractChaos synchronization of two quantum dot light-emitting diodes (QDLEDs) theoretically is studied, which are via a closed or open-loop and mutual coupling system. Whereas the synchronized-chaotic systems, the dynamics of there are identical to uncoupled dot light-emitting diodes (DLEDs) under optical feedback effect. Complete synchronization was obtained under certain conditions for the coupling parameters. We evaluated the range of the QDLED’s chaos with extrinsic optical feedback in methods of the chaos synchronization residue diagram and discussion as well as the coherence for the optimal coupling strength range. With proper conditions of the coupling parameters and the evaluation methods, the synchronization was satisfactorily obtained between the transmitter and receiver.

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Filtered Optical Feedback in Quantum Dot Light Emitting Diode

Materials Science Forum ◽

10.4028/www.scientific.net/msf.915.171 ◽

2018 ◽

Vol 915 ◽

pp. 171-178 ◽

Cited By ~ 2

Author(s):

Kais A.M. Al Naimee ◽

Hussein B. Al Husseini ◽

Amin H. Al Khursan ◽

Sora F. Abdalah ◽

Riccardo Meucci ◽

...

Keyword(s):

Quantum Dot ◽

Optical Feedback ◽

Chaotic Behavior ◽

Light Emitting Diode ◽

Unexpected Result ◽

Light Emitting ◽

Mixed Mode Oscillations ◽

Filter Width ◽

Point Analysis ◽

First Time

This research reports a theoretical investigation on the role of filtered optical feedback (FOF) in the quantum dot light emitting diode (QD-LED). The underlying dynamics is affected by a sidle node, which returns to an elliptical shape when the wetting layer (WL) is neglected. Both filter width and time delay change the appearance of different dynamics (chaotic and mixed mode oscillations ,MMOs). The results agrees with the experimental observations. Here, the fixed point analysis for QDs was done for the first time. For QD-LED with FOF, the system transits from the coherence collapse (CC) case in conventional optical feedback (COF) to a coherent case with a filtered mode in FOF. It was found that the WL washes out the modes which is an unexpected result. This may attributed to the longer capture time of WL compared with that between QD states. Thus, WL reduces the chaotic behavior.

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