Plasmon–Phonon Coupling in Large-Area Graphene Dot and Antidot Arrays Fabricated by Nanosphere Lithography

Xiaolong Zhu, Weihua Wang, Wei Yan, Martin Benjamin Barbour Spanget Larsen, Peter Bøggild, Thomas Garm Pedersen, Sanshui Xiao, Jian Zi, N. Asger Mortensen

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Nanostructured graphene on SiO2 substrates paves the way for enhanced light–matter interactions and explorations of strong plasmon–phonon hybridization in the mid-infrared regime. Unprecedented large-area graphene nanodot and antidot optical arrays are fabricated by nanosphere lithography, with structural control down to the sub-100 nm regime. The interaction between graphene plasmon modes and the substrate phonons is experimentally demonstrated, and structural control is used to map out the hybridization of plasmons and phonons, showing coupling energies of the order 20 meV. Our findings are further supported by theoretical calculations and numerical simulations.
Original languageEnglish
JournalNano letters
Volume14
Issue number5
Pages (from-to)2907–2913
ISSN1530-6984
DOIs
Publication statusPublished - 2014

Cite this

@article{294a693afbf14ad59bcff40c0e6a7fc8,
title = "Plasmon–Phonon Coupling in Large-Area Graphene Dot and Antidot Arrays Fabricated by Nanosphere Lithography",
abstract = "Nanostructured graphene on SiO2 substrates paves the way for enhanced light–matter interactions and explorations of strong plasmon–phonon hybridization in the mid-infrared regime. Unprecedented large-area graphene nanodot and antidot optical arrays are fabricated by nanosphere lithography, with structural control down to the sub-100 nm regime. The interaction between graphene plasmon modes and the substrate phonons is experimentally demonstrated, and structural control is used to map out the hybridization of plasmons and phonons, showing coupling energies of the order 20 meV. Our findings are further supported by theoretical calculations and numerical simulations.",
author = "Xiaolong Zhu and Weihua Wang and Wei Yan and Larsen, {Martin Benjamin Barbour Spanget} and Peter B{\o}ggild and Pedersen, {Thomas Garm} and Sanshui Xiao and Jian Zi and Mortensen, {N. Asger}",
year = "2014",
doi = "10.1021/nl500948p",
language = "English",
volume = "14",
pages = "2907–2913",
journal = "Nano Letters",
issn = "1530-6984",
publisher = "American Chemical Society",
number = "5",

}

Plasmon–Phonon Coupling in Large-Area Graphene Dot and Antidot Arrays Fabricated by Nanosphere Lithography. / Zhu, Xiaolong; Wang, Weihua; Yan, Wei; Larsen, Martin Benjamin Barbour Spanget; Bøggild, Peter; Pedersen, Thomas Garm; Xiao, Sanshui ; Zi, Jian; Mortensen, N. Asger.

In: Nano letters, Vol. 14, No. 5, 2014, p. 2907–2913.

Research output: Contribution to journalJournal articleResearchpeer-review

TY - JOUR

T1 - Plasmon–Phonon Coupling in Large-Area Graphene Dot and Antidot Arrays Fabricated by Nanosphere Lithography

AU - Zhu, Xiaolong

AU - Wang, Weihua

AU - Yan, Wei

AU - Larsen, Martin Benjamin Barbour Spanget

AU - Bøggild, Peter

AU - Pedersen, Thomas Garm

AU - Xiao, Sanshui

AU - Zi, Jian

AU - Mortensen, N. Asger

PY - 2014

Y1 - 2014

N2 - Nanostructured graphene on SiO2 substrates paves the way for enhanced light–matter interactions and explorations of strong plasmon–phonon hybridization in the mid-infrared regime. Unprecedented large-area graphene nanodot and antidot optical arrays are fabricated by nanosphere lithography, with structural control down to the sub-100 nm regime. The interaction between graphene plasmon modes and the substrate phonons is experimentally demonstrated, and structural control is used to map out the hybridization of plasmons and phonons, showing coupling energies of the order 20 meV. Our findings are further supported by theoretical calculations and numerical simulations.

AB - Nanostructured graphene on SiO2 substrates paves the way for enhanced light–matter interactions and explorations of strong plasmon–phonon hybridization in the mid-infrared regime. Unprecedented large-area graphene nanodot and antidot optical arrays are fabricated by nanosphere lithography, with structural control down to the sub-100 nm regime. The interaction between graphene plasmon modes and the substrate phonons is experimentally demonstrated, and structural control is used to map out the hybridization of plasmons and phonons, showing coupling energies of the order 20 meV. Our findings are further supported by theoretical calculations and numerical simulations.

U2 - 10.1021/nl500948p

DO - 10.1021/nl500948p

M3 - Journal article

VL - 14

SP - 2907

EP - 2913

JO - Nano Letters

JF - Nano Letters

SN - 1530-6984

IS - 5

ER -