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Related papers: Exciton-polaritons in multilayer WSe$_2$ in a plan…

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Monolayer transition metal dichalcogenides, known for exhibiting strong excitonic resonances, constitute a very interesting and versatile platform for investigation of light-matter interactions. In this work we report on a strong coupling…

Mesoscale and Nanoscale Physics · Physics 2019-05-20 M. Król , K. Lekenta , R. Mirek , K. Łempicka , D. Stephan , K. Nogajewski , M. R. Molas , A. Babiński , M. Potemski , J. Szczytko , B. Piętka

Strong coupling between light and matter in an optical cavity provides a pathway to giant polariton nonlinearity, where effective polariton-polariton interactions are mediated by materials' nonlinear responses. The pursuit of such enhanced…

Optics · Physics 2024-11-26 Zhi Wang , Li He , Bumho Kim , Bo Zhen

Transition metal dichalcogenides integrated within a high-quality microcavity support well-defined exciton polaritons. While the role of intralayer excitons in 2D polaritonics is well studied, interlayer excitons have been largely ignored…

Mesoscale and Nanoscale Physics · Physics 2022-12-07 Jonas K. König , Jamie M. Fitzgerald , Joakim Hagel , Daniel Erkensten , Ermin Malic

Solid state cavity quantum electrodynamics is a rapidly advancing field which explores the frontiers of light-matter coupling. Plasmonic approaches are of particular interest in this field, since they carry the potential to squeeze optical…

Monolayers of semiconducting transition metal dichalcogenides are two-dimensional direct-gap systems which host tightly-bound excitons with an internal degree of freedom corresponding to the valley of the constituting carriers. Strong…

Exciton polaritons in atomically-thin transition metal dichalcogenide crystals (monolayer TMDCs) have emerged as a promising candidate to enable topological transport, ultra-efficient laser technologies, and collective quantum phenomena…

Polariton-based devices require materials where light-matter coupling under ambient conditions exceeds losses, but our current selection of such materials is limited. Here we measured the dispersion of polaritons formed by the $A$ and $B$…

Materials Science · Physics 2021-06-16 Patryk Kusch , Niclas S. Mueller , Martin T. Hartmann , Stephanie Reich

Exciton-polariton modes arising from interaction between bound excitons in monolayer thin semiconductor sheets and photons in a Fabry-Perot microcavity are considered theoretically. We calculate the dispersion curves, mode lifetimes, Rabi…

Mesoscale and Nanoscale Physics · Physics 2015-12-30 Mikhail I. Vasilevskiy , Darío G. Santiago-Pérez , Carlos Trallero-Giner , Nuno M. R. Peres , Alexey Kavokin

Integrating 2D materials into high-quality optical microcavities opens the door to fascinating many-particle phenomena including the formation of exciton-polaritons. These are hybrid quasi-particles inheriting properties of both the…

Mesoscale and Nanoscale Physics · Physics 2024-01-10 Beatriz Ferreira , Roberto Rosati , Jamie M. Fitzgerald , Ermin Malic

Two-dimensional semiconducting transition metal dichalcogenides embedded in optical microcavities in the strong exciton-photon coupling regime may lead to promising applications in spin and valley addressable polaritonic logic gates and…

Layered materials can be assembled vertically to fabricate a new class of van der Waals (VDW) heterostructures a few atomic layers thick, compatible with a wide range of substrates and optoelectronic device geometries, enabling new…

We investigate the interactions between exciton-polaritons in N two-dimensional semiconductor layers embedded in a planar microcavity. In the limit of low-energy scattering, where we can ignore the composite nature of the excitons, we…

Mesoscale and Nanoscale Physics · Physics 2020-11-11 O. Bleu , G. Li , J. Levinsen , M. M. Parish

Two-dimensional (2D) semiconducting microcavity, where exciton-polaritons can be formed, constitues a promising setup for exploring and manipulating various regimes of light-matter interaction. Here, the coupling between 2D excitons and…

Materials Science · Physics 2021-09-08 Dino Novko , Vito Despoja

We study experimentally and theoretically the exciton-phonon interaction in MoSe2 monolayers encapsulated in hexagonal BN, which has an important impact on both optical absorption and emission processes. The exciton transition linewidth…

We demonstrate control over light-matter coupling at room temperature combining a field effect transistor (FET) with a tuneable optical microcavity. Our microcavity FET comprises a monolayer tungsten disulfide WS$_2$ semiconductor which was…

Mesoscale and Nanoscale Physics · Physics 2019-05-29 Henry A. Fernandez , Freddie Withers , Saverio Russo , William L. Barnes

Van der Waals heterostructures assembled from two-dimensional materials offer a promising platform to engineer structures with desired optoelectronic characteristics. Here we use waveguide-coupled disk resonators made of hexagonal boron…

Exciton-polaritons provide a versatile platform for the study of a wide range of phenomena, including polariton lasers, topological polaritons, and bosonic condensation. Transition metal dichalcogenide monolayers host excitons with large…

Mesoscale and Nanoscale Physics · Physics 2026-05-15 Lukas Krelle , Lukas Husel , Kenji Watanabe , Takashi Taniguchi , Ismail Bilgin , Alexander Högele , Farsane Tabataba-Vakili

Monolayered MoSe2 is a promising new material to investigate advanced light-matter coupling as it hosts stable and robust excitons with comparably narrow optical resonances. In this work, we investigate the evolution of the lowest lying…

Mesoscale and Nanoscale Physics · Physics 2017-03-28 N. Lundt , A. Maryński , E. Cherotchenko , A. Pant , X. Fan , G. Sęk , S. Tongay , A. V. Kavokin , S. Höfling , C. Schneider

Single layers of transition metal dichalcogenides are two-dimensional direct bandgap semiconductors with degenerate, but inequivalent, `valleys' in the electronic structure that can be selectively excited by polarized light. Coherent…

Materials Science · Physics 2017-07-21 Yen-Jung Chen , Jeffrey D. Cain , Teodor K. Stanev , Vinayak P. Dravid , Nathaniel P. Stern

Light emission from higher-order correlated excitonic states has been recently reported in hBN-encapsulated monolayer WSe2 and WS2 upon optical excitation. These exciton complexes are found to be bound states of excitons residing in…

Mesoscale and Nanoscale Physics · Physics 2019-04-19 Matthias Paur , Aday J. Molina-Mendoza , Rudolf Bratschitsch , Kenji Watanabe , Takashi Taniguchi , Thomas Mueller
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