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

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Atomic and Molecular Physics, and Optics

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    Lee, S., Sim, S., Moon, J., Cha, S., Shin, H. S., Park, S., Jang, W., Son, M., Jung, H., Seo, S. Y., Soon, A., Ham, M. H., Lee, H., Jo, M. H., 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..