Giant modulation depth in the photoexcited topological surface plasmons exceeding 2,400 %

  • Sangwan Sim
  • , Houk Jang
  • , Nikesh Koirala
  • , Matthew Brahlek
  • , Ji Ho Sung
  • , Jun Park
  • , Soonyoung Cha
  • , Seongshik Oh
  • , Moon Ho Jo
  • , Jong Hyun Ahn
  • , Hyunyong Choi

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

We present ultrafast optical modulation of plasmons in a topological insulator Bi2Se3 micrio-ribbon array. Unprecedented giant modulation depth up to 2,400 % is obtained with very low fluence of optical control pulse.

Original languageEnglish
Title of host publication2015 11th Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2015
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781467371094
DOIs
StatePublished - Jan 7 2016
Externally publishedYes
Event11th Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2015 - Busan, Korea, Republic of
Duration: Aug 24 2015Aug 28 2015

Publication series

Name2015 11th Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2015
Volume2

Conference

Conference11th Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2015
Country/TerritoryKorea, Republic of
CityBusan
Period08/24/1508/28/15

Funding

The work at Yonsei was supported by National Research Foundation of Korea (NRF) through the government of Korea (MSIP) (Grants No. NRF-2011-0013255, NRF-2009-0083512 and, WCI 2011-001), Global Frontier Program (2014M3A6B3063709), the Yonsei University Yonsei-SNU Collaborative Research Fund of 2014, and the Yonsei University Future-leading Research Initiative of 2014

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