Terahertz investigation of Dirac plasmons and phonon interaction in the topological insulator Bi2Se3 metamaterials

Chihun In, Sangwan Sim, Sungjoon Park, Hyemin Bae, Nikesh Koirala, Jisoo Moon, Maryam Salehi, Seongshik Oh, Dohun Kim, Hyunyong Choi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We have measured the terahertz responses of plasmon-phonon interaction in the topological insulator Bi2Se3 metamaterials. Upon photoexcitation, we observed transient phonon stiffening of ∼0.1 THz when the plasmon frequency is above the phonon energy.

Original languageEnglish
Title of host publication2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1-2
Number of pages2
ISBN (Electronic)9781943580279
DOIs
Publication statusPublished - 2017 Oct 25
Event2017 Conference on Lasers and Electro-Optics, CLEO 2017 - San Jose, United States
Duration: 2017 May 142017 May 19

Publication series

Name2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings
Volume2017-January

Other

Other2017 Conference on Lasers and Electro-Optics, CLEO 2017
CountryUnited States
CitySan Jose
Period17/5/1417/5/19

Fingerprint

stiffening
Plasmons
Photoexcitation
Metamaterials
photoexcitation
plasmons
insulators
interactions
energy

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Electronic, Optical and Magnetic Materials
  • Instrumentation

Cite this

In, C., Sim, S., Park, S., Bae, H., Koirala, N., Moon, J., ... Choi, H. (2017). Terahertz investigation of Dirac plasmons and phonon interaction in the topological insulator Bi2Se3 metamaterials. In 2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings (pp. 1-2). (2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings; Vol. 2017-January). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1364/CLEO_QELS.2017.FF1F.2
In, Chihun ; Sim, Sangwan ; Park, Sungjoon ; Bae, Hyemin ; Koirala, Nikesh ; Moon, Jisoo ; Salehi, Maryam ; Oh, Seongshik ; Kim, Dohun ; Choi, Hyunyong. / Terahertz investigation of Dirac plasmons and phonon interaction in the topological insulator Bi2Se3 metamaterials. 2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2017. pp. 1-2 (2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings).
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title = "Terahertz investigation of Dirac plasmons and phonon interaction in the topological insulator Bi2Se3 metamaterials",
abstract = "We have measured the terahertz responses of plasmon-phonon interaction in the topological insulator Bi2Se3 metamaterials. Upon photoexcitation, we observed transient phonon stiffening of ∼0.1 THz when the plasmon frequency is above the phonon energy.",
author = "Chihun In and Sangwan Sim and Sungjoon Park and Hyemin Bae and Nikesh Koirala and Jisoo Moon and Maryam Salehi and Seongshik Oh and Dohun Kim and Hyunyong Choi",
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series = "2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings",
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In, C, Sim, S, Park, S, Bae, H, Koirala, N, Moon, J, Salehi, M, Oh, S, Kim, D & Choi, H 2017, Terahertz investigation of Dirac plasmons and phonon interaction in the topological insulator Bi2Se3 metamaterials. in 2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings. 2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings, vol. 2017-January, Institute of Electrical and Electronics Engineers Inc., pp. 1-2, 2017 Conference on Lasers and Electro-Optics, CLEO 2017, San Jose, United States, 17/5/14. https://doi.org/10.1364/CLEO_QELS.2017.FF1F.2

Terahertz investigation of Dirac plasmons and phonon interaction in the topological insulator Bi2Se3 metamaterials. / In, Chihun; Sim, Sangwan; Park, Sungjoon; Bae, Hyemin; Koirala, Nikesh; Moon, Jisoo; Salehi, Maryam; Oh, Seongshik; Kim, Dohun; Choi, Hyunyong.

2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2017. p. 1-2 (2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings; Vol. 2017-January).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AU - In, Chihun

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AU - Koirala, Nikesh

AU - Moon, Jisoo

AU - Salehi, Maryam

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AU - Kim, Dohun

AU - Choi, Hyunyong

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In C, Sim S, Park S, Bae H, Koirala N, Moon J et al. Terahertz investigation of Dirac plasmons and phonon interaction in the topological insulator Bi2Se3 metamaterials. In 2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings. Institute of Electrical and Electronics Engineers Inc. 2017. p. 1-2. (2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings). https://doi.org/10.1364/CLEO_QELS.2017.FF1F.2