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

doi:10.1364/CLEO_QELS.2017.FF1F.2

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

Department of Electrical and Electronic Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference 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 language	English
Title of host publication	2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	1-2
Number of pages	2
ISBN (Electronic)	9781943580279
DOIs	https://doi.org/10.1364/CLEO_QELS.2017.FF1F.2
Publication status	Published - 2017 Oct 25
Event	2017 Conference on Lasers and Electro-Optics, CLEO 2017 - San Jose, United States Duration: 2017 May 14 → 2017 May 19

Publication series

Name	2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings
Volume	2017-January

Other

Other	2017 Conference on Lasers and Electro-Optics, CLEO 2017
Country	United States
City	San Jose
Period	17/5/14 → 17/5/19

All Science Journal Classification (ASJC) codes

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

Access to Document

10.1364/CLEO_QELS.2017.FF1F.2

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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 (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).

@inproceedings{aece6429e33041bc8c1ab7720a5cd465,

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",

year = "2017",

month = oct,

day = "25",

doi = "10.1364/CLEO_QELS.2017.FF1F.2",

language = "English",

series = "2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

pages = "1--2",

booktitle = "2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings",

address = "United States",

note = "2017 Conference on Lasers and Electro-Optics, CLEO 2017 ; Conference date: 14-05-2017 Through 19-05-2017",

}

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 proceeding › Conference contribution

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T1 - Terahertz investigation of Dirac plasmons and phonon interaction in the topological insulator Bi2Se3 metamaterials

AU - In, Chihun

AU - Sim, Sangwan

AU - Park, Sungjoon

AU - Bae, Hyemin

AU - Koirala, Nikesh

AU - Moon, Jisoo

AU - Salehi, Maryam

AU - Oh, Seongshik

AU - Kim, Dohun

AU - Choi, Hyunyong

PY - 2017/10/25

Y1 - 2017/10/25

N2 - 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.

AB - 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.

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U2 - 10.1364/CLEO_QELS.2017.FF1F.2

DO - 10.1364/CLEO_QELS.2017.FF1F.2

M3 - Conference contribution

AN - SCOPUS:85044252179

T3 - 2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings

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BT - 2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings

PB - Institute of Electrical and Electronics Engineers Inc.

T2 - 2017 Conference on Lasers and Electro-Optics, CLEO 2017

Y2 - 14 May 2017 through 19 May 2017

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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