Ultrafast Semiconducting to Metallic Terahertz Responses in the Topological Insulator Bi2Se3

Seungmin Lee, Sangwan Sim, Jisoo Moon, Soonyoung Cha, Ho Seung Shin, Soohyun Park, Woosun Jang, Myungwoo Son, Hyunseung Jung, Seung Young Seo, Aloysius Soon, Moon Ho Ham, Hojin Lee, Moon Ho Jo, Seongshik Oh, Hyunyong Choi

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

Abstract

We present the photoinduced terahertz responses of topological insulators Bi2Se3. The photoconductance sign is determined by the competition between the topological surface state and the bulk response in n-type, p-type and bulk-insulating Bi2Se3.

Original languageEnglish
Title of host publication2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Print)9781943580422
Publication statusPublished - 2018 Aug 6
Event2018 Conference on Lasers and Electro-Optics, CLEO 2018 - San Jose, United States
Duration: 2018 May 132018 May 18

Publication series

Name2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings

Other

Other2018 Conference on Lasers and Electro-Optics, CLEO 2018
CountryUnited States
CitySan Jose
Period18/5/1318/5/18

Fingerprint

Surface states
insulators

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Atomic and Molecular Physics, and Optics

Cite this

Lee, S., Sim, S., Moon, J., Cha, S., Shin, H. S., Park, S., ... Choi, H. (2018). Ultrafast Semiconducting to Metallic Terahertz Responses in the Topological Insulator Bi2Se3 In 2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings [8426429] (2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings). Institute of Electrical and Electronics Engineers Inc..
Lee, Seungmin ; Sim, Sangwan ; Moon, Jisoo ; Cha, Soonyoung ; Shin, Ho Seung ; Park, Soohyun ; Jang, Woosun ; Son, Myungwoo ; Jung, Hyunseung ; Seo, Seung Young ; Soon, Aloysius ; Ham, Moon Ho ; Lee, Hojin ; Jo, Moon Ho ; Oh, Seongshik ; Choi, Hyunyong. / Ultrafast Semiconducting to Metallic Terahertz Responses in the Topological Insulator Bi2Se3 2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2018. (2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings).
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abstract = "We present the photoinduced terahertz responses of topological insulators Bi2Se3. The photoconductance sign is determined by the competition between the topological surface state and the bulk response in n-type, p-type and bulk-insulating Bi2Se3.",
author = "Seungmin Lee and Sangwan Sim and Jisoo Moon and Soonyoung Cha and Shin, {Ho Seung} and Soohyun Park and Woosun Jang and Myungwoo Son and Hyunseung Jung and Seo, {Seung Young} and Aloysius Soon and Ham, {Moon Ho} and Hojin Lee and Jo, {Moon Ho} and Seongshik Oh and Hyunyong Choi",
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isbn = "9781943580422",
series = "2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
booktitle = "2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings",
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Lee, S, Sim, S, Moon, J, Cha, S, Shin, HS, Park, S, Jang, W, Son, M, Jung, H, Seo, SY, Soon, A, Ham, MH, Lee, H, Jo, MH, Oh, S & Choi, H 2018, Ultrafast Semiconducting to Metallic Terahertz Responses in the Topological Insulator Bi2Se3 in 2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings., 8426429, 2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings, Institute of Electrical and Electronics Engineers Inc., 2018 Conference on Lasers and Electro-Optics, CLEO 2018, San Jose, United States, 18/5/13.

Ultrafast Semiconducting to Metallic Terahertz Responses in the Topological Insulator Bi2Se3 . / Lee, Seungmin; Sim, Sangwan; Moon, Jisoo; Cha, Soonyoung; Shin, Ho Seung; Park, Soohyun; Jang, Woosun; Son, Myungwoo; Jung, Hyunseung; Seo, Seung Young; Soon, Aloysius; Ham, Moon Ho; Lee, Hojin; Jo, Moon Ho; Oh, Seongshik; Choi, Hyunyong.

2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2018. 8426429 (2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings).

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

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AU - Cha, Soonyoung

AU - Shin, Ho Seung

AU - Park, Soohyun

AU - Jang, Woosun

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AU - Oh, Seongshik

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AB - We present the photoinduced terahertz responses of topological insulators Bi2Se3. The photoconductance sign is determined by the competition between the topological surface state and the bulk response in n-type, p-type and bulk-insulating Bi2Se3.

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M3 - Conference contribution

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Lee S, Sim S, Moon J, Cha S, Shin HS, Park S et al. Ultrafast Semiconducting to Metallic Terahertz Responses in the Topological Insulator Bi2Se3 In 2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc. 2018. 8426429. (2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings).