Enhanced Strong Coupling in the Hybrid Dielectric-Metallic Nanoresonator and 
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 Monolayer

As’ham, Khalil; Al-Ani, Ibrahim; Alaloul, Mohammed; Abdo, Salah; Abdulghani, Amer; Lei, Wen; Hattori, Haroldo T.; Huang, Lujun; Miroshnichenko, Andrey E.

doi:10.1103/physrevapplied.19.054049

Cited by 12 publications

(3 citation statements)

References 63 publications

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“…The simulation results are displayed in Figure 5 b,c for a nanoantenna of height 60 nm and radius 210 nm, showing field distributions of similar shape to those for silicon nanoantennas above gold with a SiO 2 spacer. 13 The geometry of our WS 2 -nanoantenna-above-gold system was optimized for the maximum possible Purcell factor within the hBN layer over the wavelengths previously reported for hBN SPEs. We calculated a maximum electric field enhancement of 2647 within the hBN spacer at 773 nm wavelength (the MP mode);: 2 orders of magnitude higher than the maximum field within the nanoantennas for the ED mode ( Figure 3 d) and 1 order of magnitude higher than that of the MP mode inside a nanoantenna directly on a gold substrate ( Figure 3 f).…”

Section: Resultsmentioning

confidence: 99%

High Q Hybrid Mie–Plasmonic Resonances in van der Waals Nanoantennas on Gold Substrate

Randerson,

Zotev,

et al. 2024

ACS Nano

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Section: Resultsmentioning

confidence: 99%

High Q Hybrid Mie–Plasmonic Resonances in van der Waals Nanoantennas on Gold Substrate

Randerson,

Zotev,

et al. 2024

ACS Nano

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“…In 2022, Deng et al achieved a Rabi splitting of 240 meV through strong coupling of dielectricmetal hybrid nanocavities with excitons in a monolayer of WS 2 [16]. In 2023, As'ham K et al used dielectric-metal metallic nanocavities to enhance the strong coupling between monolayer WS 2 excitons and mixed metallic nanocavities, achieving a Rabi splitting energy of up to 113 meV [17]. Because monolayer TMDCs only have excitons in the plane, their absorption rate for excitons is not high.…”

Section: Introductionmentioning

confidence: 99%

Large Rabi splitting energy in resonant quasi-BIC WSe₂ metasurfaces

Fan,

You,

Gao

et al. 2024

J. Phys. D: Appl. Phys.

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Strong coupling between excitons in transition metal dichalcogenides (TMDCs) and cavities has attracted much attention in recent years, while the Rabi splitting values are usually small, which limits its further applications. In this work, we propose a WSe2 metasurface that supports quasi bound states in the continuous (QBIC) to realize a large Rabi splitting value by adjusting the effective overlap of the exciton with the resonance modes. The designed metasurface consists of composite nanoholes of WSe2. By changing the relative position of the nanoholes and modifying the symmetry of the structure, two QBIC modes are excited, and they mainly localize the electric field inside the device. By tuning the oscillator strength of WSe2, the strong coupling between excitons in WSe2 and QBIC modes is realized, resulting in Rabi splitting energies of 468 meV and 472 meV, respectively. This work provides insights into enhancing the interaction between light and matter and expands the potential applications of strong coupling.

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“…Recently, different types of resonance coupling-mediated energy transfer were reported to study the light–matter interaction between optical nanoresonators and 2D TMDCs such as plasmon-exciton coupling, plasmon-exciton-trion coupling, magnetic dipole-exciton coupling, and so on. − The main disadvantage observed for the plasmon-exciton coupling system is that all-plasmonic nanostructures generate a large amount of heat, which can damage the surface of the 2D material. Therefore, all-dielectric nanostructures are used to overcome such limitations, which have a small mode volume and negligible loss.…”

Section: Introductionmentioning

confidence: 99%

Magnetic Quadrupole-Exciton, Electric Dipole-Exciton, and Anapole-Exciton Interaction-Mediated Resonance Energy Transfer in Mie-Exciton Heterostructure

Das,

Saha,

Vadivel

2023

ACS Appl. Opt. Mater.

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Controlling and comprehending light–matter interactions at the nanoscale constitutes a central objective due to its applications in nanophotonic devices and quantum information processing. This study presents numerical simulations focused on Mie-exciton heterostructures, specifically investigating the mode coupling among the electric dipole-exciton, magnetic quadrupole-exciton, and anapole mode-exciton. The Mie resonance modes originate from a high-index silicon (Si) nanosphere resonator, while the exciton is derived from a WS2 monolayer. The light–matter interaction between Si and the WS2 monolayer leads to mode hybridization and resonance coupling. By employing the classical coupled oscillator model and calculating Hopfield coefficients, strong coupling between modes is demonstrated. The results exhibit an intriguing anticrossing behavior, providing compelling evidence of the strong coupling between Mie resonances and exciton resonances. Moreover, we explore the influence of the number of monolayers and the size of the Si nanoresonator on mode hybridization and resonance coupling. Our findings reveal that the coupling strength and coherent energy transfer between different modes are highly sensitive to both the number of WS2 monolayers and the size of the Si nanoresonator. The insights gained from this research hold significant promise for the advancement of polariton-exciton nanodevices and quantum technologies.

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Enhanced Strong Coupling in the Hybrid Dielectric-Metallic Nanoresonator and WS2 Monolayer

Cited by 12 publications

References 63 publications

High Q Hybrid Mie–Plasmonic Resonances in van der Waals Nanoantennas on Gold Substrate

High Q Hybrid Mie–Plasmonic Resonances in van der Waals Nanoantennas on Gold Substrate

Large Rabi splitting energy in resonant quasi-BIC WSe₂ metasurfaces

Magnetic Quadrupole-Exciton, Electric Dipole-Exciton, and Anapole-Exciton Interaction-Mediated Resonance Energy Transfer in Mie-Exciton Heterostructure

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Enhanced Strong Coupling in the Hybrid Dielectric-Metallic Nanoresonator and WS2 Monolayer

Cited by 12 publications

References 63 publications

High Q Hybrid Mie–Plasmonic Resonances in van der Waals Nanoantennas on Gold Substrate

High Q Hybrid Mie–Plasmonic Resonances in van der Waals Nanoantennas on Gold Substrate

Large Rabi splitting energy in resonant quasi-BIC WSe2 metasurfaces

Magnetic Quadrupole-Exciton, Electric Dipole-Exciton, and Anapole-Exciton Interaction-Mediated Resonance Energy Transfer in Mie-Exciton Heterostructure

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Large Rabi splitting energy in resonant quasi-BIC WSe₂ metasurfaces