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      Coupled-cavity structures in photonic crystals

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      Author
      Bayındır, Mehmet
      Özbay, Ekmel
      Date
      2002
      Source Title
      Proceedings of the 2002 MRS Spring Meeting
      Print ISSN
      0272-9172
      Publisher
      Materials Research Society
      Volume
      722
      Pages
      368 - 379
      Language
      English
      Type
      Conference Paper
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      Abstract
      We investigate the localized coupled-cavity modes in two-dimensional dielectric photonic crystals. The transmission, phase, and delay time characteristics of the various coupled-cavity structures are measured and calculated. We observed waveguiding through the coupled cavities, splitting of electromagnetic waves in waveguide ports, and switching effect in such structures. The corresponding field patterns and the transmission spectra are obtained from the finite-difference-time-domain (FDTD) simulations. We also develop a theory based on the classical wave analog of the tight-binding (TB) approximation in solid state physics. Experimental results are in good agreement with the FDTD simulations and predictions of the TB approximation.
      Keywords
      Computer simulation
      Electromagnetic waves
      Finite difference method
      Light transmission
      Time domain analysis
      Photonic crystals (PC)
      Single crystals
      Permalink
      http://hdl.handle.net/11693/27579
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