Entanglement of Microwave and Optical Fields Using Electrical Capacitor Loaded With Plasmonic Graphene Waveguide

We propose a novel approach for microwave and optical fields entanglement using an electrical capacitor loaded with graphene plasmonic waveguide. In the proposed scheme, a quantum microwave signal of frequency &#x03C9;<sub>m</sub> drives the electrical capacitor, while an intensive o...

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Main Authors: Montasir Qasymeh, Hichem Eleuch
Format: Article
Language:English
Published: IEEE 2020-01-01
Series:IEEE Photonics Journal
Subjects:
Online Access:https://ieeexplore.ieee.org/document/9016019/
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author Montasir Qasymeh
Hichem Eleuch
author_facet Montasir Qasymeh
Hichem Eleuch
author_sort Montasir Qasymeh
collection DOAJ
description We propose a novel approach for microwave and optical fields entanglement using an electrical capacitor loaded with graphene plasmonic waveguide. In the proposed scheme, a quantum microwave signal of frequency &#x03C9;<sub>m</sub> drives the electrical capacitor, while an intensive optical field (optical pump) of frequency &#x03C9;<sub>1</sub> is launched to the graphene waveguide as a surface plasmon polariton (i.e., SPP) mode. The two fields interact by the means of electrically modulating the graphene optical conductivity. It then follows that an upper and lower SPP sideband modes (of &#x03C9;<sub>2</sub> = &#x03C9;<sub>1</sub> + &#x03C9;<sub>m</sub> and &#x03C9;<sub>3</sub> = &#x03C9;<sub>1</sub> - &#x03C9;<sub>m</sub> frequencies, respectively) are generated. We show that the microwave signal and the lower sideband SPP mode are entangled, for a proper optical intensity. A quantum mechanics model is carried out to describe the fields evolution. Furthermore, novel iterative approach (based on combining the Duan criterion with the quantum regression theorem) is developed to assess the fields entanglement. Consequently, the entanglement of the two fields is evaluated versus several parameters including the waveguide length, the pump intensity, and the microwave frequency. We find that the two fields are entangled over a vast microwave frequency range. Moreover, our calculations show that a significant number of entangled photons are generated at the lower SPP sideband. The proposed scheme attains tunable mechanism for microwave-optical entanglement which paves the way for efficient quantum systems.
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spelling doaj.art-5a368b82290a4b2894bb7477b8a68a9d2022-12-21T19:55:08ZengIEEEIEEE Photonics Journal1943-06552020-01-0112211210.1109/JPHOT.2020.29765119016019Entanglement of Microwave and Optical Fields Using Electrical Capacitor Loaded With Plasmonic Graphene WaveguideMontasir Qasymeh0https://orcid.org/0000-0001-5264-2628Hichem Eleuch1https://orcid.org/0000-0002-4596-137XElectrical and Computer Engineering Department, Abu Dhabi University, Abu Dhabi, UAECollege of Arts and Sciences, Department of Applied Sciences and Mathematics, Abu Dhabi University, Abu Dhabi, UAEWe propose a novel approach for microwave and optical fields entanglement using an electrical capacitor loaded with graphene plasmonic waveguide. In the proposed scheme, a quantum microwave signal of frequency &#x03C9;<sub>m</sub> drives the electrical capacitor, while an intensive optical field (optical pump) of frequency &#x03C9;<sub>1</sub> is launched to the graphene waveguide as a surface plasmon polariton (i.e., SPP) mode. The two fields interact by the means of electrically modulating the graphene optical conductivity. It then follows that an upper and lower SPP sideband modes (of &#x03C9;<sub>2</sub> = &#x03C9;<sub>1</sub> + &#x03C9;<sub>m</sub> and &#x03C9;<sub>3</sub> = &#x03C9;<sub>1</sub> - &#x03C9;<sub>m</sub> frequencies, respectively) are generated. We show that the microwave signal and the lower sideband SPP mode are entangled, for a proper optical intensity. A quantum mechanics model is carried out to describe the fields evolution. Furthermore, novel iterative approach (based on combining the Duan criterion with the quantum regression theorem) is developed to assess the fields entanglement. Consequently, the entanglement of the two fields is evaluated versus several parameters including the waveguide length, the pump intensity, and the microwave frequency. We find that the two fields are entangled over a vast microwave frequency range. Moreover, our calculations show that a significant number of entangled photons are generated at the lower SPP sideband. The proposed scheme attains tunable mechanism for microwave-optical entanglement which paves the way for efficient quantum systems.https://ieeexplore.ieee.org/document/9016019/Microwave photonicsentanglementsurface plasmon polaritongraphene.
spellingShingle Montasir Qasymeh
Hichem Eleuch
Entanglement of Microwave and Optical Fields Using Electrical Capacitor Loaded With Plasmonic Graphene Waveguide
IEEE Photonics Journal
Microwave photonics
entanglement
surface plasmon polariton
graphene.
title Entanglement of Microwave and Optical Fields Using Electrical Capacitor Loaded With Plasmonic Graphene Waveguide
title_full Entanglement of Microwave and Optical Fields Using Electrical Capacitor Loaded With Plasmonic Graphene Waveguide
title_fullStr Entanglement of Microwave and Optical Fields Using Electrical Capacitor Loaded With Plasmonic Graphene Waveguide
title_full_unstemmed Entanglement of Microwave and Optical Fields Using Electrical Capacitor Loaded With Plasmonic Graphene Waveguide
title_short Entanglement of Microwave and Optical Fields Using Electrical Capacitor Loaded With Plasmonic Graphene Waveguide
title_sort entanglement of microwave and optical fields using electrical capacitor loaded with plasmonic graphene waveguide
topic Microwave photonics
entanglement
surface plasmon polariton
graphene.
url https://ieeexplore.ieee.org/document/9016019/
work_keys_str_mv AT montasirqasymeh entanglementofmicrowaveandopticalfieldsusingelectricalcapacitorloadedwithplasmonicgraphenewaveguide
AT hichemeleuch entanglementofmicrowaveandopticalfieldsusingelectricalcapacitorloadedwithplasmonicgraphenewaveguide