• 文献标题:   Tunable Coupled-Resonator-Induced Transparency in a Photonic Crystal System Based on a Multilayer-Insulator Graphene Stack
  • 文献类型:   Article
  • 作  者:   LIU HQ, TAN JF, LIU PG, BIAN LA, ZHA S
  • 作者关键词:   coupledresonantinduced transparency, photonic crystal, graphene, chemical potential
  • 出版物名称:   MATERIALS
  • ISSN:   1996-1944
  • 通讯作者地址:   Natl Univ Def Technol
  • 被引频次:   0
  • DOI:   10.3390/ma11102042
  • 出版年:   2018

▎ 摘  要

We achieve the effective modulation of coupled-resonator-induced transparency (CRIT) in a photonic crystal system which consists of photonic crystal waveguide (PCW), defect cavities, and a multilayer graphene-insulator stack (MGIS). Simulation results show that the wavelength of transparency window can be effectively tuned through varying the chemical potential of graphene in MGIS. The peak value of the CRIT effect is closely related to the structural parameters of our proposed system. Tunable Multipeak CRIT is also realized in the four-resonator-coupled photonic crystal system by modulating the chemical potentials of MGISs in different cavity units. This system paves a novel way toward multichannel-selective filters, optical sensors, and nonlinear devices.