• 文献标题:   Giant cross-Kerr nonlinearity in the metal nanoparticles-graphene nanodisks-quantum dots hybrid system with low light intensity for photovoltaic devices
  • 文献类型:   Article
  • 作  者:   TOHARI MM, ALQAHTANI M, ALMZARGAH GM
  • 作者关键词:   crosskerr nonlinearity, nonlinear absorption coefficient, metal nanoparticlesgraphene nanodisksquantum dots hybrid system, photovoltaic device
  • 出版物名称:   APPLIED PHYSICS AMATERIALS SCIENCE PROCESSING
  • ISSN:   0947-8396 EI 1432-0630
  • 通讯作者地址:  
  • 被引频次:   0
  • DOI:   10.1007/s00339-023-06523-2
  • 出版年:   2023

▎ 摘  要

The ability of plasmonics nanostructures to enhance light-matter interaction due to trapping and localizing the light at the nanoscale make them an efficient platform for energy conversion devices. In the present paper, we theoretically study cross-Kerr nonlinear absorption of the metal nanoparticles-graphene nanodisks-quantum dots hybrid plasmonic system under the weak-field approximation. We obtain a giant cross-Kerr nonlinearity resulting in large nonlinear absorption coefficients in the visible region of the electromagnetic spectrum with low light intensity. We find that the cross-Kerr nonlinear optical properties of the system can be controlled in magnitude and sign by the geometrical parameters of the system and interacting fields. The system exhibits good stability with this nonlinear behavior providing a promising platform for many optical devices including energy conversion devices.