Integrated Tunable Optofluidics Optical Filter Based on MIM Side-Coupled-Cavity Waveguide

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• 作者：Zhe Yu (1)
  Ruisheng Liang (1)
  Pixin Chen (1)
  Qiaodong Huang (1)
  Tingting Huang (1)
  Xingkai Xu (1)
  
• 关键词：Plasmonic waveguide ; Optofluidics ; Filter ; Integrated optics devices
• 刊名：Plasmonics
• 出版年：2012
• 出版时间：December 2012
• 年：2012
• 卷：7
• 期：4
• 页码：603-607
• 全文大小：335KB
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• 作者单位：Zhe Yu (1)
  Ruisheng Liang (1)
  Pixin Chen (1)
  Qiaodong Huang (1)
  Tingting Huang (1)
  Xingkai Xu (1)
  
  1. Laboratory of Photonic Information Technology, School of Information and Optoelectronic Science and Engineering, South China Normal University, Guangzhou, 510006, People’s Republic of China
  
• ISSN：1557-1963

文摘

A tunable wavelength filter based on plasmonic metal–dielectric–metal waveguide with optofluidics pump system has been proposed and numerically investigated. The finite difference time domain method with perfectly matched layer-absorbing boundary condition is adopted to simulate and study their properties. An analytical solution to the resonant condition of the structure is derived by means of the cavity theory. It is found that the resonant wavelength of the filter is easily tuned in a broadband by manipulating the fluid filled in the cavity. Both analytical and simulative results reveal that the resonant wavelengths are proportional to the volume and refractive index of liquid in the cavity and are related to the structure of the filter. The resonant wavelengths of this structure can be changed from 1,106 to around 1,800?nm in this paper. The waveguide filter may become a choice for the design of devices in highly integrated optical circuits.