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

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 Bi₂Se₃

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 (US)
Title of host publication	IRMMW-THz 2022 - 47th International Conference on Infrared, Millimeter and Terahertz Waves
Publisher	IEEE Computer Society
ISBN (Electronic)	9781728194271
DOIs	https://doi.org/10.1109/IRMMW-THz50927.2022.9895794
State	Published - 2022
Event	47th International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2022 - Delft, Netherlands Duration: Aug 28 2022 → Sep 2 2022

Publication series

Name	International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz
Volume	2022-August
ISSN (Print)	2162-2027
ISSN (Electronic)	2162-2035

Conference

Conference	47th International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2022
Country/Territory	Netherlands
City	Delft
Period	8/28/22 → 9/2/22

All Science Journal Classification (ASJC) codes

Energy Engineering and Power Technology
Electrical and Electronic Engineering

Access to Document

10.1109/IRMMW-THz50927.2022.9895794

Cite this

Hale, L. L., Wang, Z., Law, S., Brener, I., & Mitrofanov, O. (2022). THz Aperture Near-Field Spectroscopy of Dirac Plasmons in Topological Insulator Bi₂Se₃. In IRMMW-THz 2022 - 47th International Conference on Infrared, Millimeter and Terahertz Waves (International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz; Vol. 2022-August). IEEE Computer Society. https://doi.org/10.1109/IRMMW-THz50927.2022.9895794

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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",

note = "Publisher Copyright: {\textcopyright} 2022 IEEE.; 47th International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2022 ; Conference date: 28-08-2022 Through 02-09-2022",

year = "2022",

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

language = "English (US)",

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

publisher = "IEEE Computer Society",

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address = "United States",

}

Hale, LL, Wang, Z, Law, S, Brener, I & Mitrofanov, O 2022, THz Aperture Near-Field Spectroscopy of Dirac Plasmons in Topological Insulator Bi₂Se₃. in IRMMW-THz 2022 - 47th International Conference on Infrared, Millimeter and Terahertz Waves. International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz, vol. 2022-August, IEEE Computer Society, 47th International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2022, Delft, Netherlands, 8/28/22. https://doi.org/10.1109/IRMMW-THz50927.2022.9895794

THz Aperture Near-Field Spectroscopy of Dirac Plasmons in Topological Insulator Bi₂Se₃. / Hale, Lucy L.; Wang, Zentianye; Law, Stephanie et al.
IRMMW-THz 2022 - 47th International Conference on Infrared, Millimeter and Terahertz Waves. IEEE Computer Society, 2022. (International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz; Vol. 2022-August).

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

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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

Y1 - 2022

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.

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AN - SCOPUS:85139838103

T3 - International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz

BT - IRMMW-THz 2022 - 47th International Conference on Infrared, Millimeter and Terahertz Waves

PB - IEEE Computer Society

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Hale LL, Wang Z, Law S, Brener I, Mitrofanov O. THz Aperture Near-Field Spectroscopy of Dirac Plasmons in Topological Insulator Bi₂Se₃. In IRMMW-THz 2022 - 47th International Conference on Infrared, Millimeter and Terahertz Waves. IEEE Computer Society. 2022. (International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz). doi: 10.1109/IRMMW-THz50927.2022.9895794