Near-infrared exciton-polaritons in strongly coupled single-walled carbon nanotube microcavities

Arko Graf; Laura Christine Tropf; Yuriy Zakharko; Jana Zaumseil; Malte Christian Gather

doi:10.1038/ncomms13078

Near-infrared exciton-polaritons in strongly coupled single-walled carbon nanotube microcavities

Arko Graf, Laura Christine Tropf, Yuriy Zakharko, Jana Zaumseil, Malte Christian Gather

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Abstract

Exciton-polaritons form upon strong coupling between electronic excitations of a material and photonic states of a surrounding microcavity. In organic semiconductors the special nature of excited states leads to particularly strong coupling and facilitates condensation of exciton-polaritons at room temperature, which may lead to electrically pumped organic polariton lasers. However, charge carrier mobility and photo-stability in currently used materials is limited and exciton-polariton emission so far has been restricted to visible wavelengths. Here, we demonstrate strong light-matter coupling in the near infrared using single-walled carbon nanotubes (SWCNTs) in a polymer matrix in a planar metal-clad cavity. By exploiting the exceptional oscillator strength and sharp excitonic transition of (6,5) SWCNTs, we achieve large Rabi splitting (> 110 meV), efficient polariton relaxation and narrow band emission (< 15 meV). Given their high charge carrier mobility and excellent photostability, SWCNTs represent a promising new avenue towards practical exciton-polariton devices operating at telecommunication wavelengths.

Original language	English
Article number	13078
Number of pages	7
Journal	Nature Communications
Volume	7
DOIs	https://doi.org/10.1038/ncomms13078
Publication status	Published - 10 Oct 2016

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Copyright 2016 the Author(s). This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
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H2020 ERC Starting Grant ABLASE: H2020 ERC Starting Grant ABLASE (Grant Agreement No. 640012)
Gather, M. C. (PI)
European Research Council
1/06/15 → 31/05/21
Project: Standard
CM DTC 2014 - 2022: EPSRC centre for doctoral training in condensed matter physics: Renewal of the CM-DTC
King, P. (PI)
EPSRC
1/08/14 → 31/01/24
Project: Standard
Counter shaded animal patterns: Counter shaded animal patterns From photons to form
Ruxton, G. D. (PI)
BBSRC
1/10/12 → 30/09/15
Project: Standard

Data underpinning PhD Thesis: Strong light–matter coupling in organic microcavities - Investigating the fundamental principles of strong coupling in strongly disordered materials experimentally
Tropf, L. C. (Creator) & Gather, M. C. (Supervisor), University of St Andrews, 1 May 2019
DOI: 10.17630/d0e6f5c4-bf95-464c-aa6d-534a481bc5fe, http://hdl.handle.net/10023/17893
Dataset: Thesis dataset

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Data underpinning - Near-infrared exciton-polaritons in strongly coupled single-walled carbon nanotube microcavities
Graf, A. (Creator), Tropf, L. C. (Creator), Zakharko, Y. (Creator), Zaumseil, J. (Creator) & Gather, M. C. (Creator), University of St Andrews, 11 Oct 2016
DOI: 10.17630/2baaf9f7-9e91-456a-ae0c-22f752d7f7b6
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Cite this

@article{141603f8cfab4e0fba3ba2829c922a4a,

title = "Near-infrared exciton-polaritons in strongly coupled single-walled carbon nanotube microcavities",

abstract = "Exciton-polaritons form upon strong coupling between electronic excitations of a material and photonic states of a surrounding microcavity. In organic semiconductors the special nature of excited states leads to particularly strong coupling and facilitates condensation of exciton-polaritons at room temperature, which may lead to electrically pumped organic polariton lasers. However, charge carrier mobility and photo-stability in currently used materials is limited and exciton-polariton emission so far has been restricted to visible wavelengths. Here, we demonstrate strong light-matter coupling in the near infrared using single-walled carbon nanotubes (SWCNTs) in a polymer matrix in a planar metal-clad cavity. By exploiting the exceptional oscillator strength and sharp excitonic transition of (6,5) SWCNTs, we achieve large Rabi splitting (> 110 meV), efficient polariton relaxation and narrow band emission (< 15 meV). Given their high charge carrier mobility and excellent photostability, SWCNTs represent a promising new avenue towards practical exciton-polariton devices operating at telecommunication wavelengths. ",

author = "Arko Graf and Tropf, {Laura Christine} and Yuriy Zakharko and Jana Zaumseil and Gather, {Malte Christian}",

note = "This research was financially supported by the European Research Council under the European Union's Seventh Framework Programme (FP/2007-2013)/ERC Grant Agreement No. 306298 (EN-LUMINATE) and under the European Union{\textquoteright}s Horizon 2020 Framework Programme (FP/2014-2020)/ERC Grant Agreement No. 640012 (ABLASE), by EPSRC through the CM-DTC (EP/L015110/1) and by the Scottish Funding Council through SUPA. J.Z. thanks the Alfried Krupp von Bohlen und Halbach-Stiftung via the “Alfried Krupp F{\"o}rderpreis f{\"u}r junge Hochschullehrer” for general support.",

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language = "English",

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journal = "Nature Communications",

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AU - Graf, Arko

AU - Tropf, Laura Christine

AU - Zakharko, Yuriy

AU - Zaumseil, Jana

AU - Gather, Malte Christian

N1 - This research was financially supported by the European Research Council under the European Union's Seventh Framework Programme (FP/2007-2013)/ERC Grant Agreement No. 306298 (EN-LUMINATE) and under the European Union’s Horizon 2020 Framework Programme (FP/2014-2020)/ERC Grant Agreement No. 640012 (ABLASE), by EPSRC through the CM-DTC (EP/L015110/1) and by the Scottish Funding Council through SUPA. J.Z. thanks the Alfried Krupp von Bohlen und Halbach-Stiftung via the “Alfried Krupp Förderpreis für junge Hochschullehrer” for general support.

PY - 2016/10/10

Y1 - 2016/10/10

N2 - Exciton-polaritons form upon strong coupling between electronic excitations of a material and photonic states of a surrounding microcavity. In organic semiconductors the special nature of excited states leads to particularly strong coupling and facilitates condensation of exciton-polaritons at room temperature, which may lead to electrically pumped organic polariton lasers. However, charge carrier mobility and photo-stability in currently used materials is limited and exciton-polariton emission so far has been restricted to visible wavelengths. Here, we demonstrate strong light-matter coupling in the near infrared using single-walled carbon nanotubes (SWCNTs) in a polymer matrix in a planar metal-clad cavity. By exploiting the exceptional oscillator strength and sharp excitonic transition of (6,5) SWCNTs, we achieve large Rabi splitting (> 110 meV), efficient polariton relaxation and narrow band emission (< 15 meV). Given their high charge carrier mobility and excellent photostability, SWCNTs represent a promising new avenue towards practical exciton-polariton devices operating at telecommunication wavelengths.

AB - Exciton-polaritons form upon strong coupling between electronic excitations of a material and photonic states of a surrounding microcavity. In organic semiconductors the special nature of excited states leads to particularly strong coupling and facilitates condensation of exciton-polaritons at room temperature, which may lead to electrically pumped organic polariton lasers. However, charge carrier mobility and photo-stability in currently used materials is limited and exciton-polariton emission so far has been restricted to visible wavelengths. Here, we demonstrate strong light-matter coupling in the near infrared using single-walled carbon nanotubes (SWCNTs) in a polymer matrix in a planar metal-clad cavity. By exploiting the exceptional oscillator strength and sharp excitonic transition of (6,5) SWCNTs, we achieve large Rabi splitting (> 110 meV), efficient polariton relaxation and narrow band emission (< 15 meV). Given their high charge carrier mobility and excellent photostability, SWCNTs represent a promising new avenue towards practical exciton-polariton devices operating at telecommunication wavelengths.

U2 - 10.1038/ncomms13078

DO - 10.1038/ncomms13078

M3 - Article

SN - 2041-1723

VL - 7

JO - Nature Communications

JF - Nature Communications

M1 - 13078

ER -

Near-infrared exciton-polaritons in strongly coupled single-walled carbon nanotube microcavities

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Projects

H2020 ERC Starting Grant ABLASE: H2020 ERC Starting Grant ABLASE (Grant Agreement No. 640012)

CM DTC 2014 - 2022: EPSRC centre for doctoral training in condensed matter physics: Renewal of the CM-DTC

Counter shaded animal patterns: Counter shaded animal patterns From photons to form

Datasets

Data underpinning PhD Thesis: Strong light–matter coupling in organic microcavities - Investigating the fundamental principles of strong coupling in strongly disordered materials experimentally

Data underpinning - Near-infrared exciton-polaritons in strongly coupled single-walled carbon nanotube microcavities

Cite this