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Multilayer-WS 2 :ferroelectric composite for ultrafast tunable metamaterial-induced transparency applications

An ultrafast and low-power all-optical tunable metamaterial-induced transparency is realized, using polycrystalline barium titanate doped gold nanoparticles and multilayer tungsten disulfide microsheets as nonlinear optical materials. Large nonlinearity enhancement is obtained associated with quantu... Full description

Journal Title: Applied Physics Letters 24 August 2015, Vol.107(8)
Main Author: Yang, Xiaoyu
Other Authors: Yang, Jinghuan , Hu, Xiaoyong , Zhu, Yu , Yang, Hong , Gong, Qihuang
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0003-6951 ; E-ISSN: 1077-3118 ; DOI: 10.1063/1.4929701
Link: http://dx.doi.org/10.1063/1.4929701
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recordid: aip_complete10.1063/1.4929701
title: Multilayer-WS 2 :ferroelectric composite for ultrafast tunable metamaterial-induced transparency applications
format: Article
creator:
  • Yang, Xiaoyu
  • Yang, Jinghuan
  • Hu, Xiaoyong
  • Zhu, Yu
  • Yang, Hong
  • Gong, Qihuang
subjects:
  • Photonics And Optoelectronics
ispartof: Applied Physics Letters, 24 August 2015, Vol.107(8)
description: An ultrafast and low-power all-optical tunable metamaterial-induced transparency is realized, using polycrystalline barium titanate doped gold nanoparticles and multilayer tungsten disulfide microsheets as nonlinear optical materials. Large nonlinearity enhancement is obtained associated with quantum confinement effect, local-field effect, and reinforced interaction between light and multilayer tungsten disulfide. Low threshold pump intensity of 20 MW/cm 2 is achieved. An ultrafast response time of 85 ps is maintained because of fast carrier relaxation dynamics in nanoscale crystal grains of polycrystalline barium titanate. This may be useful for the study of integrated photonic devices based on two-dimensional materials.
language: eng
source:
identifier: ISSN: 0003-6951 ; E-ISSN: 1077-3118 ; DOI: 10.1063/1.4929701
fulltext: fulltext
issn:
  • 0003-6951
  • 1077-3118
  • 00036951
  • 10773118
url: Link


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descriptionAn ultrafast and low-power all-optical tunable metamaterial-induced transparency is realized, using polycrystalline barium titanate doped gold nanoparticles and multilayer tungsten disulfide microsheets as nonlinear optical materials. Large nonlinearity enhancement is obtained associated with quantum confinement effect, local-field effect, and reinforced interaction between light and multilayer tungsten disulfide. Low threshold pump intensity of 20 MW/cm 2 is achieved. An ultrafast response time of 85 ps is maintained because of fast carrier relaxation dynamics in nanoscale crystal grains of polycrystalline barium titanate. This may be useful for the study of integrated photonic devices based on two-dimensional materials.
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descriptionAn ultrafast and low-power all-optical tunable metamaterial-induced transparency is realized, using polycrystalline barium titanate doped gold nanoparticles and multilayer tungsten disulfide microsheets as nonlinear optical materials. Large nonlinearity enhancement is obtained associated with quantum confinement effect, local-field effect, and reinforced interaction between light and multilayer tungsten disulfide. Low threshold pump intensity of 20 MW/cm 2 is achieved. An ultrafast response time of 85 ps is maintained because of fast carrier relaxation dynamics in nanoscale crystal grains of polycrystalline barium titanate. This may be useful for the study of integrated photonic devices based on two-dimensional materials.
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abstractAn ultrafast and low-power all-optical tunable metamaterial-induced transparency is realized, using polycrystalline barium titanate doped gold nanoparticles and multilayer tungsten disulfide microsheets as nonlinear optical materials. Large nonlinearity enhancement is obtained associated with quantum confinement effect, local-field effect, and reinforced interaction between light and multilayer tungsten disulfide. Low threshold pump intensity of 20 MW/cm 2 is achieved. An ultrafast response time of 85 ps is maintained because of fast carrier relaxation dynamics in nanoscale crystal grains of polycrystalline barium titanate. This may be useful for the study of integrated photonic devices based on two-dimensional materials.
pubAIP Publishing LLC
doi10.1063/1.4929701
date2015-08-24