Optoelectronic valley-locked spin photocurrent generation using WSe2-Bi2Se3 heterostructure

Minji Noh, Soonyoung Cha, Jehyun Kim, Yoomin Kim, Jekwan Lee, Hoil Kim, Seunghoon Yang, Sooun Lee, Wooyoung Shim, Chul Ho Lee, Jun Sung Kim, Dohun Kim, Hyunyong Choi

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

Abstract

We demonstrate a new optoelectronic platform using WSe2-Bi2Se3 heterostructures to generate and detect the valley-coupled spin-polarized photocurrents at room temperature. The light polarization and the external electric field can manipulate the magnitude of the current.

Original languageEnglish
Title of host publication2019 Conference on Lasers and Electro-Optics, CLEO 2019 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781943580576
DOIs
Publication statusPublished - 2019 May
Event2019 Conference on Lasers and Electro-Optics, CLEO 2019 - San Jose, United States
Duration: 2019 May 52019 May 10

Publication series

Name2019 Conference on Lasers and Electro-Optics, CLEO 2019 - Proceedings

Conference

Conference2019 Conference on Lasers and Electro-Optics, CLEO 2019
CountryUnited States
CitySan Jose
Period19/5/519/5/10

Fingerprint

Light polarization
Photocurrents
Optoelectronic devices
valleys
photocurrents
Heterojunctions
electric field
polarization
platforms
Electric fields
Light
valley
Temperature
electric fields
room temperature
temperature

All Science Journal Classification (ASJC) codes

  • Spectroscopy
  • Industrial and Manufacturing Engineering
  • Safety, Risk, Reliability and Quality
  • Management, Monitoring, Policy and Law
  • Electronic, Optical and Magnetic Materials
  • Radiology Nuclear Medicine and imaging
  • Instrumentation
  • Atomic and Molecular Physics, and Optics

Cite this

Noh, M., Cha, S., Kim, J., Kim, Y., Lee, J., Kim, H., ... Choi, H. (2019). Optoelectronic valley-locked spin photocurrent generation using WSe2-Bi2Se3 heterostructure. In 2019 Conference on Lasers and Electro-Optics, CLEO 2019 - Proceedings [8749271] (2019 Conference on Lasers and Electro-Optics, CLEO 2019 - Proceedings). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.23919/CLEO.2019.8749271
Noh, Minji ; Cha, Soonyoung ; Kim, Jehyun ; Kim, Yoomin ; Lee, Jekwan ; Kim, Hoil ; Yang, Seunghoon ; Lee, Sooun ; Shim, Wooyoung ; Lee, Chul Ho ; Kim, Jun Sung ; Kim, Dohun ; Choi, Hyunyong. / Optoelectronic valley-locked spin photocurrent generation using WSe2-Bi2Se3 heterostructure. 2019 Conference on Lasers and Electro-Optics, CLEO 2019 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2019. (2019 Conference on Lasers and Electro-Optics, CLEO 2019 - Proceedings).
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title = "Optoelectronic valley-locked spin photocurrent generation using WSe2-Bi2Se3 heterostructure",
abstract = "We demonstrate a new optoelectronic platform using WSe2-Bi2Se3 heterostructures to generate and detect the valley-coupled spin-polarized photocurrents at room temperature. The light polarization and the external electric field can manipulate the magnitude of the current.",
author = "Minji Noh and Soonyoung Cha and Jehyun Kim and Yoomin Kim and Jekwan Lee and Hoil Kim and Seunghoon Yang and Sooun Lee and Wooyoung Shim and Lee, {Chul Ho} and Kim, {Jun Sung} and Dohun Kim and Hyunyong Choi",
year = "2019",
month = "5",
doi = "10.23919/CLEO.2019.8749271",
language = "English",
series = "2019 Conference on Lasers and Electro-Optics, CLEO 2019 - Proceedings",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
booktitle = "2019 Conference on Lasers and Electro-Optics, CLEO 2019 - Proceedings",
address = "United States",

}

Noh, M, Cha, S, Kim, J, Kim, Y, Lee, J, Kim, H, Yang, S, Lee, S, Shim, W, Lee, CH, Kim, JS, Kim, D & Choi, H 2019, Optoelectronic valley-locked spin photocurrent generation using WSe2-Bi2Se3 heterostructure. in 2019 Conference on Lasers and Electro-Optics, CLEO 2019 - Proceedings., 8749271, 2019 Conference on Lasers and Electro-Optics, CLEO 2019 - Proceedings, Institute of Electrical and Electronics Engineers Inc., 2019 Conference on Lasers and Electro-Optics, CLEO 2019, San Jose, United States, 19/5/5. https://doi.org/10.23919/CLEO.2019.8749271

Optoelectronic valley-locked spin photocurrent generation using WSe2-Bi2Se3 heterostructure. / Noh, Minji; Cha, Soonyoung; Kim, Jehyun; Kim, Yoomin; Lee, Jekwan; Kim, Hoil; Yang, Seunghoon; Lee, Sooun; Shim, Wooyoung; Lee, Chul Ho; Kim, Jun Sung; Kim, Dohun; Choi, Hyunyong.

2019 Conference on Lasers and Electro-Optics, CLEO 2019 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2019. 8749271 (2019 Conference on Lasers and Electro-Optics, CLEO 2019 - Proceedings).

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

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T1 - Optoelectronic valley-locked spin photocurrent generation using WSe2-Bi2Se3 heterostructure

AU - Noh, Minji

AU - Cha, Soonyoung

AU - Kim, Jehyun

AU - Kim, Yoomin

AU - Lee, Jekwan

AU - Kim, Hoil

AU - Yang, Seunghoon

AU - Lee, Sooun

AU - Shim, Wooyoung

AU - Lee, Chul Ho

AU - Kim, Jun Sung

AU - Kim, Dohun

AU - Choi, Hyunyong

PY - 2019/5

Y1 - 2019/5

N2 - We demonstrate a new optoelectronic platform using WSe2-Bi2Se3 heterostructures to generate and detect the valley-coupled spin-polarized photocurrents at room temperature. The light polarization and the external electric field can manipulate the magnitude of the current.

AB - We demonstrate a new optoelectronic platform using WSe2-Bi2Se3 heterostructures to generate and detect the valley-coupled spin-polarized photocurrents at room temperature. The light polarization and the external electric field can manipulate the magnitude of the current.

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U2 - 10.23919/CLEO.2019.8749271

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M3 - Conference contribution

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T3 - 2019 Conference on Lasers and Electro-Optics, CLEO 2019 - Proceedings

BT - 2019 Conference on Lasers and Electro-Optics, CLEO 2019 - Proceedings

PB - Institute of Electrical and Electronics Engineers Inc.

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Noh M, Cha S, Kim J, Kim Y, Lee J, Kim H et al. Optoelectronic valley-locked spin photocurrent generation using WSe2-Bi2Se3 heterostructure. In 2019 Conference on Lasers and Electro-Optics, CLEO 2019 - Proceedings. Institute of Electrical and Electronics Engineers Inc. 2019. 8749271. (2019 Conference on Lasers and Electro-Optics, CLEO 2019 - Proceedings). https://doi.org/10.23919/CLEO.2019.8749271