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Room temperature Tamm-plasmon exciton-polaritons with a WSe2 monolayer

Room temperature Tamm-plasmon exciton-polaritons with a WSe2 monolayer
Room temperature Tamm-plasmon exciton-polaritons with a WSe2 monolayer
Solid-state cavity quantum electrodynamics is a rapidly advancing field, which explores the frontiers of light–matter coupling. Metal-based approaches are of particular interest in this field, as they carry the potential to squeeze optical modes to spaces significantly below the diffraction limit. Transition metal dichalcogenides are ideally suited as the active material in cavity quantum electrodynamics, as they interact strongly with light at the ultimate monolayer limit. Here, we implement a Tamm-plasmon-polariton structure and study the coupling to a monolayer of WSe2, hosting highly stable excitons. Exciton-polariton formation at room temperature is manifested in the characteristic energy–momentum dispersion relation studied in photoluminescence, featuring an anti-crossing between the exciton and photon modes with a Rabi-splitting of 23.5 meV. Creating polaritonic quasiparticles in monolithic, compact architectures with atomic monolayers under ambient conditions is a crucial step towards the exploration of nonlinearities, macroscopic coherence and advanced spinor physics with novel, low-mass bosons.
1-6
Lundt, Nils
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Klembt, Sebastian
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Cherotchenko, Evgeniia
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Betzold, Simon
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Iff, Oliver
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Nalitov, Anton V.
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Klaas, Martin
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Dietrich, Christof P.
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Kavokin, Alexey V.
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Höfling, Sven
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Schneider, Christian
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Lundt, Nils
25b2f169-c96d-4f8f-bff5-a8feab60927d
Klembt, Sebastian
35a73c43-ac9d-4727-b802-f19a262210d3
Cherotchenko, Evgeniia
0187efe7-53e5-4844-877b-4662fa1e614a
Betzold, Simon
523db28f-350f-4720-9bd9-a1930626ea3c
Iff, Oliver
296ae26d-7a4d-43b3-adc2-d6edbfd43580
Nalitov, Anton V.
3bc0fc10-7645-44e3-b8be-ca4114104680
Klaas, Martin
c418ef44-ce6c-461c-a04e-f60eb1e5bfd0
Dietrich, Christof P.
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Kavokin, Alexey V.
70ffda66-cfab-4365-b2db-c15e4fa1116b
Höfling, Sven
3a92b8ec-7fae-40d4-b39a-b48667ecf809
Schneider, Christian
a0763548-1c6b-4a22-9c47-0c92e77b58a7

Lundt, Nils, Klembt, Sebastian, Cherotchenko, Evgeniia, Betzold, Simon, Iff, Oliver, Nalitov, Anton V., Klaas, Martin, Dietrich, Christof P., Kavokin, Alexey V., Höfling, Sven and Schneider, Christian (2016) Room temperature Tamm-plasmon exciton-polaritons with a WSe2 monolayer. Nature Communications, 7, 1-6, [13328]. (doi:10.1038/ncomms13328).

Record type: Article

Abstract

Solid-state cavity quantum electrodynamics is a rapidly advancing field, which explores the frontiers of light–matter coupling. Metal-based approaches are of particular interest in this field, as they carry the potential to squeeze optical modes to spaces significantly below the diffraction limit. Transition metal dichalcogenides are ideally suited as the active material in cavity quantum electrodynamics, as they interact strongly with light at the ultimate monolayer limit. Here, we implement a Tamm-plasmon-polariton structure and study the coupling to a monolayer of WSe2, hosting highly stable excitons. Exciton-polariton formation at room temperature is manifested in the characteristic energy–momentum dispersion relation studied in photoluminescence, featuring an anti-crossing between the exciton and photon modes with a Rabi-splitting of 23.5 meV. Creating polaritonic quasiparticles in monolithic, compact architectures with atomic monolayers under ambient conditions is a crucial step towards the exploration of nonlinearities, macroscopic coherence and advanced spinor physics with novel, low-mass bosons.

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Accepted/In Press date: 21 September 2016
e-pub ahead of print date: 31 October 2016
Published date: 31 October 2016

Identifiers

Local EPrints ID: 420124
URI: http://eprints.soton.ac.uk/id/eprint/420124
PURE UUID: b2661c6e-400d-4671-a31c-31a062668896

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Date deposited: 27 Apr 2018 16:30
Last modified: 12 Nov 2021 18:47

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Contributors

Author: Nils Lundt
Author: Sebastian Klembt
Author: Evgeniia Cherotchenko
Author: Simon Betzold
Author: Oliver Iff
Author: Anton V. Nalitov
Author: Martin Klaas
Author: Christof P. Dietrich
Author: Sven Höfling
Author: Christian Schneider

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