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Proceedings Paper

Coupled cavities in photonic crystals
Author(s): Ekmel Ozbay; Mehmet Bayindir; Ertugrul Cubukcu; Irhan Bulu
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Paper 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.

Paper Details

Date Published: 25 April 2002
PDF: 9 pages
Proc. SPIE 4655, Photonic Bandgap Materials and Devices, (25 April 2002); doi: 10.1117/12.463865
Show Author Affiliations
Ekmel Ozbay, Bilkent Univ. (Turkey)
Mehmet Bayindir, Bilkent Univ. (Turkey)
Ertugrul Cubukcu, Bilkent Univ. (Turkey)
Irhan Bulu, Bilkent Univ. (Turkey)


Published in SPIE Proceedings Vol. 4655:
Photonic Bandgap Materials and Devices
Ali Adibi; Axel Scherer; Shawn-Yu Lin, Editor(s)

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