THz Aperture Near-Field Spectroscopy of Dirac Plasmons in Topological Insulator Bi<inf>2</inf>Se<inf>3</inf>

Lucy L. Hale; Zentianye Wang; Stephanie Law; Igal Brener; Oleg Mitrofanov

doi:10.1109/IRMMW-THz50927.2022.9895794

THz Aperture Near-Field Spectroscopy of Dirac Plasmons in Topological Insulator Bi<inf>2</inf>Se<inf>3</inf>

Lucy L. Hale
, Zentianye Wang
, Stephanie Law
, Igal Brener
, Oleg Mitrofanov

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

We map the dispersion relation in ribbon gratings of topological insulator Bi2Se3 using both far-field and aperture-type near-field THz spectroscopy methods. The results are consistent with theoretical predictions of coupling between the optical phonon and massless Dirac plasmons.

Original language	English
Title of host publication	International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz
Volume	2022-August
DOIs	https://doi.org/10.1109/IRMMW-THz50927.2022.9895794
State	Published - Jan 1 2022
Externally published	Yes

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10.1109/IRMMW-THz50927.2022.9895794

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@inproceedings{a28cacd480264eaebebf0a08a98f6450,

title = "THz Aperture Near-Field Spectroscopy of Dirac Plasmons in Topological Insulator Bi2Se3",

abstract = "We map the dispersion relation in ribbon gratings of topological insulator Bi2Se3 using both far-field and aperture-type near-field THz spectroscopy methods. The results are consistent with theoretical predictions of coupling between the optical phonon and massless Dirac plasmons.",

author = "Hale, \{Lucy L.\} and Zentianye Wang and Stephanie Law and Igal Brener and Oleg Mitrofanov",

year = "2022",

month = jan,

day = "1",

doi = "10.1109/IRMMW-THz50927.2022.9895794",

language = "English",

isbn = "9781728194271",

volume = "2022-August",

booktitle = "International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz",

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T1 - THz Aperture Near-Field Spectroscopy of Dirac Plasmons in Topological Insulator Bi2Se3

AU - Hale, Lucy L.

AU - Wang, Zentianye

AU - Law, Stephanie

AU - Brener, Igal

AU - Mitrofanov, Oleg

PY - 2022/1/1

Y1 - 2022/1/1

N2 - We map the dispersion relation in ribbon gratings of topological insulator Bi2Se3 using both far-field and aperture-type near-field THz spectroscopy methods. The results are consistent with theoretical predictions of coupling between the optical phonon and massless Dirac plasmons.

AB - We map the dispersion relation in ribbon gratings of topological insulator Bi2Se3 using both far-field and aperture-type near-field THz spectroscopy methods. The results are consistent with theoretical predictions of coupling between the optical phonon and massless Dirac plasmons.

UR - https://www.scopus.com/pages/publications/85139838103

U2 - 10.1109/IRMMW-THz50927.2022.9895794

DO - 10.1109/IRMMW-THz50927.2022.9895794

M3 - Conference contribution

SN - 9781728194271

VL - 2022-August

BT - International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz

ER -

THz Aperture Near-Field Spectroscopy of Dirac Plasmons in Topological Insulator Bi<inf>2</inf>Se<inf>3</inf>

Abstract

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