# Interspecies exciton interactions lead to enhanced nonlinearity of dipolar excitons and polaritons in MoS2 homobilayers

https://mdr.nims.go.jp/datasets/beee4a30-f1c1-4017-af3d-1c90c22ce70b

## File

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## Id

beee4a30-f1c1-4017-af3d-1c90c22ce70b

## Local identifier



## Visibility

open_to_public

## State

published

## Created at

2025-02-14T08:26:24.861836Z

## Updated at

2025-02-15T03:31:41.937308Z

## Published at

2025-02-15T03:31:42.048852Z

## Doi



## First published url

https://doi.org/10.1038/s41467-023-39358-9

## Date published

2023-06-27

## Recorded date published



## Resource type

journal_article

## Manuscript type

vor

## Collection



## Title

- title: Interspecies exciton interactions lead to enhanced nonlinearity of dipolar
    excitons and polaritons in MoS2 homobilayers
  title_type: original
  lang: en

## Description

- description: Nonlinear interactions between excitons strongly coupled to light are
    key for accessing quantum many-body phenomena in polariton systems. Atomically-thin
    two-dimensional semiconductors provide an attractive platform for strong light-matter
    coupling owing to many controllable excitonic degrees of freedom. Among these,
    the recently emerged exciton hybridization opens access to unexplored excitonic
    species, with a promise of enhanced interactions. Here, we employ hybridized interlayer
    excitons (hIX) in bilayer MoS2 to achieve highly nonlinear excitonic and polaritonic
    effects. Such interlayer excitons possess an out-of-plane electric dipole as well
    as an unusually large oscillator strength allowing observation of dipolar polaritons
    (dipolaritons) in bilayers in optical microcavities. Compared to excitons and
    polaritons in MoS2 monolayers, both hIX and dipolaritons exhibit ≈ 8 times higher
    nonlinearity, which is further strongly enhanced when hIX and intralayer excitons,
    sharing the same valence band, are excited simultaneously. This gives rise to
    a highly nonlinear regime which we describe theoretically by introducing the concepts
    of inter- exciton phase space filling and hole crowding. The presented insight
    into many-body interactions provides new tools for accessing few-polariton quantum
    correlations.
  description_type: abstract
  lang: und

## Creator

- name: Charalambos Louca
  role: author
- name: Armando Genco
  role: author
- name: Salvatore Chiavazzo
  role: author
- name: Thomas P. Lyons
  role: author
- name: Sam Randerson
  role: author
- name: Chiara Trovatello
  role: author
- name: Peter Claronino
  role: author
- name: Rahul Jayaprakash
  role: author
- name: Xuerong Hu
  role: author
- name: James Howarth
  role: author
- name: Kenji Watanabe
  role: author
  orcid: https://orcid.org/0000-0003-3701-8119
  organization: National Institute for Materials Science
  ror: https://ror.org/026v1ze26
- name: Takashi Taniguchi
  role: author
  orcid: https://orcid.org/0000-0002-1467-3105
  organization: National Institute for Materials Science
  ror: https://ror.org/026v1ze26
- name: Stefano Dal Conte
  role: author
- name: Roman Gorbachev
  role: author
- name: David G. Lidzey
  role: author
- name: Giulio Cerullo
  role: author
- name: Oleksandr Kyriienko
  role: author
- name: Alexander I. Tartakovskii
  role: author

## Contact agent



## Publisher

organization: Springer Science and Business Media LLC

## Managing organization



## Keyword

- subject: Nonlinear interactions
  schema: not_defined
- subject: exciton hybridization
  schema: not_defined
- subject: bilayer MoS2
  schema: not_defined

## Rights

- identifier: https://creativecommons.org/licenses/by/4.0/

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## Data origin



## Embargo



## Journal

- title: Nature Communications
  issn: '20411723'
  volume: '14'
  issue: '1'
  article_number: '3818'

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## Fileset

- id: 748e1d9f-c0de-477c-b163-5161c5114fcd
  filename: s41467-023-39358-9.pdf
  content_type: application/pdf
  size: 3547118
  md5: 7319526199c5c6866d26600d1e4a2082

## Thumbnail

fileset_id: 748e1d9f-c0de-477c-b163-5161c5114fcd
filename: s41467-023-39358-9.pdf